Thursday, March 21, 2024

Charles Brown: Thoughts on recumbent bicycle design

By Charles Brown, Southfield, Mich. 


      I started building recumbent bicycles in the early 1980s.  Back then, everyone was building long-wheelbase recumbents, and I became enamored of the design. 

      I think most unsuspended short wheelbase recumbents have too rough a ride.  I built three SWBs with front suspension; all climbed hills slower than unsuspended bikes. 

     The pedaling motion seems to activate the suspension, so not all power goes to the back wheel.  Some people claim to have overcome this, but don’t seem to have measured it. 

     It seems to me a front wheel that moves straight back when you hit a bump might work. That is, it would take longer for the bike to rise up over the bump, smoothing the ride without a real suspension. It would give a smoother ride by acting like a bigger wheel, yet not be affected by pedaling forces. But I haven’t tried it yet. 

     Tom Traylor’s moving bottom bracket designs also give a good ride with short wheelbase.

     Having pretty much given up on suspension, I worked on modifying the usual long wheelbase bike.  I raised the bottom bracket to get the rider in a more aerodynamic position.  This also gave some room under the cranks to push the front wheel back, shortening the bike and getting some much-needed weight on the front wheel.  The resulting bike isn’t too much longer than a short wheelbase.



       This drawing shows what it would be if I did it over again.  (As a serial HPV builder, I can tell you the next one is always going to be perfect!)  (Editor's note: This drawing does not depict the bike under construction, shown in the final photo.The drawing shows what will be the bike after that, which will incorporate additional changes and a different front wheel.) 

       I’ve built many generations of this design.  Earlier ones used the front fork from a 27-inch wheel road bike, and I always wondered why the steering was never quite right.  It turns out that even though there’s less weight on the front wheel, the shallow steering angle puts more stress on the front fork, causing it to flex.  

      This was cured by using a shorter, stiffer fork.  I give mine more rake by sawing notches on the top, bending them, and welding them back together. 



Charles Brown at the 2022 Michigan HPV Rally. Look close at the front fork and you can see where he modified it by cutting and bending to give it more rake.


       The drawing shows how I’ve been making all my steel frames lately.  A main tube, only about 1-1/2 inches diameter, handles all the torsional and lateral loads.  Some very light truss work underneath adds strength in the vertical direction.  If you put the tube that goes from the head tube to the bottom bracket at just the right angle, the tube bends neither up nor down under pedaling forces.  More information on this and related topics in my articles posted Dec. 3, 2015, on www.recumbents.com.



Here's Charles' latest, under construction, which will use components off his 2022 bike, but is 3 pounds lighter than that bike.  He plans to race it at this year's Michigan HPV Rally.

       I believe a narrow, high pressure front tire improves the steering on a long wheelbase recumbent.

       I’ve built over 50 different recumbents, and like to delude myself into thinking I’ve learned something over the years.  This isn’t a bad design.


Wednesday, March 6, 2024

Bicycles at Autorama in the Motor City


 The 71st annual Autorama in downtown Detroit took place March 1-3 with 800 or so hot rods, customs, race cars and street machines on display at Huntington Place, formerly Cobo Center.

But for many years now, bicycles also have been part of the show.

The big display is in the basement, organized by Ronnie Whitt of Scrap Yard Productions in Fowlerville. Entries are judged, in the categories of customs, restored and original, and low riders.

Here’s Mike Mowett’s photos and account of the bicycle displays:


An interesting day….

Bikes, Bikes and Cars - there was the usual big display of bikes underneath the escalator in basement lower level area. Each year I’ve seen them there. They are a mix of custom builds like you might see at a Detroit Slow Roll, a freakbikers meet up and a mix of old vintage bikes from like the 1960s, 70s, 80s. They had signs on them indicating their owners (though few if any were actually present to talk to). 

There were maybe four from Lake Orion if I recall. One was an old bike, but the sign said it’s current owner was only 10 years old. 



One bike I liked had the same Detroit News canvas saddle bag for holding newspapers that I used for 3 years as a paperboy



Some other photos: 




In the world of freak bikes, this is what is known as a burrito bike (very low riding position) and a heel scraper (pedals very close to the ground). Notice the steering set-up. (Scrap Yard Productions photo)





There was another area for bikes on the main floor of the show. I’d label it as “show bikes” maybe intended to give entertainment to some like-minded kids. A set of creepy dolls kinda added to this effect.


Anyways we didn’t spend much time at this location as crowds, especially on Saturday always feel like they are moving or pushing you along. I checked the number of visitors for last year's Autorama in Detroit. It was over 140,000 visitors for the three-day weekend. Other shows on the custom car calendar circuit in places as far away as California and the East Coast don’t get close to that number.. Guess we still are “the Motor City”.




 
Thirdly, there were some bikes on roof racks atop cars or vans at the show. 

For more photos and videos of the Autorama bike show and some bike builds, go to the Scrap Yard Productions Facebook page.

Monday, February 26, 2024

Vintage homebuilt trike needs new owner


 Vinta

Mark Bannan of Saginaw built this recumbent tricycle in 1983 and with construction of a new trike underway, would like to give the old one away.  Ideally, he would like to see it go to a young racer just starting (or to his or her parents?).
If interested, contact Mark at markbannan.mbe@gmail.com
Since the photo was taken, the deraileur gearing has been replaced with a NuVinci N360 continuously variable internal gear hub and new tires installed (20 inch front, 700c rear).
The frame is aluminum, with the main tube 2-inch diameter 1/8th inch wall 6061 aluminum.  Mark guesses the trike weighs about 37 pounds.
The seat can slide back and forth about 4 inches. The trike only has the single rear brake.
It was raced by friend Dave Wilson at the International Human Powered Speed Championships in Indianapolis in 1983 and at the Hull (Ontario) Cycling Festival in 1984.
Mark has ridden his creation on the streets of Saginaw, so it is also suitable for recreational riding. 


Saturday, February 10, 2024

39th annual Michigan HPV Rally - June 15-16, 2024


The start of the first one-hour time trial at the 2023 Michigan HPV Rally.

The 39th annual Michigan Human Powered Vehicle Rally will be Saturday and Sunday, June 15-16, 2024, at the Waterford Hills sports car racing track in Clarkston in southeastern Michigan, the location since 1986.The track is on the grounds of the Oakland County Sportsmen's Club, 4770 Waterford Road, Clarkston.

The oldest such event in North America is open to riders of all human powered vehicles – recumbents, streamliners, regular bicycles, tandems  and handcycles. There are classes for streamlined, unstreamlined cycles, tandems, women, youth and tricycles. 

The rally is conducted using Human Powered Race America rules (go to www.recumbents.com, then under “recumbent racing,” click on “Human Powered Race America,” then on “racing rules.” Note:  HPRA rules require all vehicles to have a mirroror or mirrors enabling rear  vision to both sides. 
The track, on the grounds of the Oakland County Sportsmen’s Club, is  1.4 miles around, with nine turns and one hill. Sunday races use a shorter  course without the hill.
 
Entry fees: $30 for one day, $45 for two days. College and high school teams, $40 for first vehicle and rider; $10 for each additional vehicle or rider. Online preregistration will probably start in May. (Entry fees same as in 2023.)

Following is a description of events, taken from last year, so tentative for this year:

Saturday, June 15, 9 a.m.-4 p.m. Registration starts at 8.

ONE-HOUR TIME TRIALS: ride as many laps of the main 1.4 mile loop including one small hill, as you can in one hour, no drafting.  Usually two races for faster and slower vehicles, and for folks who race two classes of bikes.

HILL CLIMB / COAST-DOWN; riders start at bottom of hill and race up it one at a time.  Hill height is about 28 feet and max 4% grade.  Once at top, riders start coasting until they stop and mark off their final position on the track.  

KILOMETER: Racers start one at a time from a standing start and go 0.62 miles around course.

URBAN TRANSPORTATION CONTEST: Results based on hill climb / coast down score, obstacle course time and such features as lights, cargo carrying capacity, rearview mirrors, security against theft, weather protection in addition to fenders, bell, carrying tools.

Sunday, 8 a.m.-noon approximately.

SPRINT EVENT:  Racers start at top of hill, pedal down it one at time for an acceleration boost, then are timed over a 200-foot stretch.

ROAD RACES: Racers use part of main track (not including hill) and do 20 or 25 short laps (about 12.5 miles or 20 km).

Question, comments or suggestions, contact co-organizers Mike Eliasohn (mikethebike2325@comcast.net, 810-990-8919) or Mike Mowett (mowett@aol.com, 586- 863-3902). 

We don't know yet if concession stand will be open for lunch on Saturday and if we will have on-site dinner Saturday evening.

TO GET TO THE RALLY:  From I-75, get off at exit 91. Take M-15 south to Dixie Hwy. (US-24). Turn left, continuing south about 1 mile and turn left onto Waterford Road, then proceed to track. If coming from the west, take U.S. 23 north (or south) to M-59 (Highland Road). Go east on M-59 to Airport Road, then left (north) to US-24. Turn left, then immediately right onto Waterford Road. Go about a half-mile to track.

CAMPING

Free camping available overnight Friday and Saturday in the infield of the Waterford Hills track, starting at 6 p.m. Friday. Restrooms, showers available and possibly electrical hookups.


STATE CAMPGROUNDS (www.michigan.gov/dnr, then click on "make a reservation.

Highland Recreation Area, 5200 E. Highland Road (M-59), White Lake, 248-889-3750. Two miles east of Highland.

Holly Recreation Area, 8100 Grange Road, Holly, 2486348811. Five miles east of Holly.

Pontiac Lake Recreation Area, 7800 Gale Road, Waterford, 248-44471020. Closest to Waterford Hills track, about 4 miles west.

Website for each recreation area has list of campgrounds and phone numbers.


OAKLAND COUNTY:  Groveland Oaks County Park, 14555 Dixie Hwy., Holly, northeast of Holly, 248-634-9811.


HOTELS / MOTELS (with approximate distances/direction from Waterford Hills track)

Clarkston - Olde Mill Inn North, 6853 Dixie Hwy. (US-10), 248-625-1522, 12 rooms, 2 miles northeast.

Clarkston - Olde Mill Inn of Clarkston, 5835 Dixie Hwy., 248-623-0300. Across Dixie Highway from Waterford Road leading to track. This is the closest motel to the track.

Hartland - Best Western of Hartland, 10087 Highland Road (M-59) at US-23, 810-632-7177, 61 rooms. About 18 miles west.

Waterford – American Inn and Suites, 7076 Highland Road (M-59), 248-666-8555, 111 rooms. About 3 miles southwest.

Waterford – Holiday Inn Express, 4350 Pontiac Lake Road, 248-674-3434 / 866-430-6157, 83 rooms. About 7 miles southwest.

Whitmore Lake - Days Inn, 9897 Main St. (off US-23, exit 53), 734-550-0105, 61 rooms. About 33 miles southwest.

Wednesday, February 7, 2024

HPV articles, brochures, etc. (on paper) I want to give away

At age 79, I’m in the “I can’t take it with me” stage of my life, so it’s time to get rid of files I have on various human power topics, that is articles, brochures, etc., on paper. Most predate the internet era and I was never hesitant to write to a manufacturer or innovator to ask for more information.

I’ll do more digging through my file cabinets, but here’s the files I currently want to find new homes for, I’m willing to give them away for free, but would like to be reimbursed for postage. I live in Michigan, but can mail them from Canada, to save on postage.

Mike Eliasohn, mikethebike2325@comcast.net, 810-990-8919

Aerodynamics - mostly add-on fairings, wheel discs, etc.
Antiques, special interest, freak bikes, plastic frame bikes, etc.
Arm and leg power, rear wheel steering, prone position (all in one file).
Bicycle motors – obviously not human power, mostly gasoline, not electric, dating to the 1970s. Cantilever hubs, that is, hubs supported on one side only.
Boats, that is pedal-powered, propeller driven. Included are the December 1986 Scientific America cover story, "Human-powered Watercraft," at least 8 brochures for manufactured pedal-powered boats and a 1952 how-to-build article from the book, "The Boy Mechanic," for a pedal-powered dual-hull boat that uses an upright bicycle frame.
Folding bicycles – a very fat file, information dating to 1970s.
Front wheel drive – dating to 1990s. 
Off road bikes, cruisers,  suspension, BMX, etc. – upright bikes, but still interesting, info dating to 1980s.
Pedal cars / velomobiles– dating to 1970s.
Transmission – two files, one devoted to hub gears and hybrid systems and the other devoted to other (mostly) non-derailleur systems, dating to 1970s.
Upright tricycles - mostly British (derailleur gears, two wheels in rear)
Suspension – including early mountain bikes, dating to 1970s.
Yankee Bicycle / Nordic Track – an upright bike with unique transmission and braking system, sold in 1990s. 

I also have the following recumbent construction plans (on paper) that I want to get rid of, also free, but would like to be reimbursed for postage.
- Alternative Bikestyles: Construction of a Recumbent Bicycle (1985) – Similar to an Easy Racer Tour Easy long wheelbase, Ed Roeters describes his design as "simple, practical and rugged as possible." 
- Tom Traylor front wheel drive moving bottom bracket two-wheeler, 1982. (One of the early MBB designs.)
- LaBent by Ladue two-wheels-in-rear tricycle. 
- LaBent by Ladue long-wheelbase two wheeler.
- Robert Q. Riley Ground Hugger long wheelbase low racer with remote steering. (The original plans and instructions appeared in Popular Mechanics in 1969.)
 - PVC Projects (1993) - 20 projects made from PVC pipe, normally used for plumbing. Some have wheels, but none are pedal-powered.But even if not using PVC for an HPV, it conceivably could be used for a cycle-towed trailer, a cycle repair stand or ?

Wednesday, January 17, 2024

Building a recumbent cycle from plans

The TomaHawk, one of many recumbent designs for which plans are available from AtomicZombie

By Mike Eliasohn

There are various reasons to build your own recumbent cycle. Presumably one reason is because you like to "make stuff." Another is: why pedal something that looks like what other people ride, be it a recumbent or upright bike, when you can ride something unusual and attract attention?

Although most designs shown or discussed in this article are made of metal tubing welded together, if you don’t know how to weld (or have no place to weld), or don’t have a shop where you can do cutting and drilling, there are alternatives. Find a friendly (presumably small) welding and machine shop (or one of each) who can do that work for you, hopefully at a reasonable price. (Suggestion: If you're not in a rush to get something done, so can wait until the shop doesn't have much else to do, you might get a better price.) 

Or if you have work space, but don't know how to weld, there are designs out there made from wood, aluminum,carbon fiber, or even cut-up conventional bicycles, with the pieces bolted together (though some small pieces may need welding). 

I do have a special motive for writing this. As HPV old-timers like me know, there aren't as many builders out there as there used to be. Not only is attendance at HPV racing events declining, more of those who do participate bought what they ride. Building, riding and racing recumbent cycles would seem idea for high school students studying welding, machining and other trades. So if anyone reading this knows any such students, you might suggest, "Have you ever thought of building ..?" and use this article as a starting point.

Lastly, this article won't cover all the options for plans and designs that are out there. Do an online search of "how to build recumbent bicycles," "recumbent bicycle (or tricycle) plans," etc. and you will find more. Also look on YouTube. If you know something I missed that's worth including, please email me at mikethebike2325@comcast.net

Atomic Zombie

If you're looking for ideas, a good place to start is atomiczombie.com. Brad Graham and Kathy McGowan offer 36 plans, for low racers, high racers, long wheelbase, short wheelbase, two-wheels-in-the-rear and two-wheels-in-front tricycles and a quad. There are also plans or tutorials for choppers, tall bikes and an upright two-wheels-in-front tricycle.

Atomic Zombie Warrior

Atomic Zombie charges for its plans, currently $16.95 for one set, four for $19 or six for $36.  The plans, actually step-by-step instructions, 60-220 pages with lots of photos, come as PDF downloads.

In 2004, Graham and McGowan published Atomic Zombie's Bicycle Builder's Bonanza (388 pages), with chapters on how to build various designs and general information about tools, welding, design, sources of materials, etc. Interesting reading, even if you don't build an AZ design. Copies, new or used, can be obtained from Amazon, alibris.com and likely other sellers.

Recycled Recumbents

A Recycled Recumbent Mach 2


If you like a traditional long wheelbase design, A.D. Carson (recycledrecumbent.com) has three plans available online for free. And if you like his designs, but don't want to build one, he builds and sells complete bikes (but not during the winter months.

Much of the steel tubing for his designs come from cut-up diamond frames. The Mach 1 (EZ Clone) and Mach 2 designs are similar – 26 inch rear wheel and 20-inch front, though the Mach 1 also can use a 16-inch. The Mach 3 uses 26-inch wheels at both ends. (700c wheels might fit in place of 26 inch.)


Wood 

In 1997-98, Steve Schmeck, who lives in/near Cooks in the Upper Peninsula, built two (mostly) wood frame recumbents, Woody (shown here) and then Treebike.



For construction details, go to www.manytracks.com, then click on "homestead," "recumbents," and then in the top of the text, "Woody and Treebike." (or click here)
In addition to information about Steve's two designs, you will see photos and information about various other homebuilt recumbents sent in by Many Tracks readers. Some of the designs are wood.

And if you think a website that also has information about chickens and other homesteading topics seems unusual as a recumbent bike building source, try www.littleloveliesbyallison.com. In addition to such topics as home decorating ideas and home improvement projects, scroll down (toward the bottom) to "DIY vehicle projects" then "bicycle projects" and finally "15 DIY recumbent bike projects you can build easily" (or click here). Included are two (mostly) wood frame recumbents and  one two-wheels-in-front tricycle, plus some other interesting designs (some from Atomic Zombie).



 An easy build
Keith Moss from Florida came up with this simple design for a long-wheelbase, made from cut-up steel bicycle frames, except possibly for the bottom tube.
For more information and photos, type "Keith Moss quick cheap easy LWB" in your search engine, and you should be able to find it.

F'lowroller


When I first saw images of Robert Horn's F'lowroller about 20 years ago, my reaction was "Wow!" It was truly a unique design.
In an article in online BikeRodnKustom, he described it as a cruiser / recumbent / lowrider and mentioned he quickly put 300 miles on it. It used a 3-speed coaster brake hub.
Bob later designed a second version, shown above, and then created "The F'lowroller Cookbook" (copyright 2005), with building instructions and photos.
He sent a pdf to anyone interested in building one.
I (Mike E.) have the "Cookbook" pdf, and with Bob's permission, can email it to anyone who asks. A printout can be made from the pdf. 

Front-wheel-drive


In addition to the F'lowroller, here are some other front-wheel-drive designs:

Python is a European low racer design, with front wheel drive and center-pivot steering, that is, the head tube is right behind the front wheel. "Standard" is two 26 inch wheels, but there are variations with smaller wheels and tricycles with two wheels in the rear.
Photo is from the website, www.python-lowracer.de, where there is lots of information for would-be builders.
If you’re familiar with the Cruzbike, but don't want to spend $2,650 (and that's for the cheapest model), or want to make sure you can ride a moving bottom bracket FWD before spending lots of money, go to www.instructables.com, then type in "recumbent bicycles." You will see several DIY recumbent designs (none sophisticated), so you may something else of interest. But here's what we are talking about:

The MBB bike shown on instructables.com is rather crude, so here's a more sophisticated, but still simple version. (I don't remember the source.)

Other stuff

Here's an interesting design from the Netherlands, with how-to-build instructions:


This is from the website, wind-water.nl, and the link is presented here with permission from Hanno Smits, the designer and webmaster. Also, go to the website, click on "Bicycles, bicycles" and you will see other interesting recumbents and ideas.

I (Mike E.) have an idea how to build a no-weld or minimal-weld recumbent from aluminum tubing and bars, but could not find any such design on the internet, other than this 2001 photo from Many Tracks, builder Bill Meacham.


If anyone knows of any such designs, preferably with some instructions, let me know.


Paul Elkins' website (elkinsdiy.com) has lots of interesting projects, including this simple recumbent made from one cut-up 20-inch wheel frame, plus additional tubing.  Go to "projects," then "transportation," "human powered" and then "DIY recumbent bicycle."
There's also a video: On Youtube, type in "diy recumbent bicycle" and you will find it.


This is obviously a stretch cruiser, made from two frames, not a recumbent, but it's interesting because it's entirely bolted together, no welding, As I recall, the rear triangle came from a mixte (step-through upright bike) frame. The bike was built by the operator of a website that I think is now defunct, which was mostly devoted to fixing/repairing bikes. Unfortunately, I don't have the website address in writing, so can't give proper credit.


Lastly, I have paper copies of several plans that I am willing to part with free, though I would like to be reimbursed for postage:

- Alternative Bikestyles: Construction of a Recumbent Bicycle (1985) – Similar to an Easy Racer Tour Easy long wheelbase, Ed Roeters describes his design as "simple, practical and rugged as possible."
- Tom Traylor front wheel drive moving bottom bracket two-wheeler, 1982. (One of the early MBB designs.)
- LaBent by Ladue two-wheels-in-rear tricycle.
- LaBent by Ladue long-wheelbase two wheeler.
- Robert Q. Riley Ground Hugger long wheelbase low racer with remote steering. (The original plans and instructions appeared in Popular Mechanics in 1969.)
- PVC Projects (1993) - 20 projects made from PVC pipe, normally used for plumbing. Some have wheels, but none are pedal-powered.But even if not using PVC for an HPV, it conceivably could be used for a cycle-towed trailer, a cycle repair stand or ?

So email me at the address listed in the first section of this article. First come, first served, though if more than one person wants the same plans at the same time, conceivably I can make copies.

Some information in this article comes from an article in the Autumn 2020 issue of Laidback Cyclist, the magazine of the British Human Power Club.

Monday, June 26, 2023

38th annual Michigan Human Powered Vehicle Rally


The picnic pavilion at the Waterford Hills sports car racing track also made a fine work area for the University of Toronto Human-Powered Vehicles Design Team, which came with 14 students and seven vehicles – five of them student built.  (Charles Brown photo)

By Mike Eliasohn

The 38th annual Michigan Human Powered Vehicle Rally June 17-18, 2023, was marked by good weather, good turnout and some records being set.

Complete results can be seen by clicking on:

https://docs.google.com/spreadsheets/d/1B2221AShyvPTBR3MS0w3P8PpT0O39ey6K8hmbl5o8us/edit?usp=drivesdk

Or go to recumbents.com, then HPRA racing results and photos, then 2023 Michigan HPRA Racing results.

About half the participants were from the University of Toronto Human-Powered Vehicles Design Team (www.hpvdt.ca), which came with 14 students (not all raced) and seven vehicles, three of them streamliners.  Of the 11 or so years the U-T has participated in our event, I (Mike E.) think that's the most students ever.

Due to lack of time, interest or entrants, three scheduled events on Saturday were not held – hot laps, tricycle race and the urban transportation contest. There were no junior class entrants (15 and younger).


Jonathan Walters of Cincinnati on his NoCom low racer waits for the start of the hill climb on Saturday afternoon. He won the stock class (18 entries) and set a record  for the stock class 1-hour, 28.2 miles. (Mike Eliasohn photo)

Here's the top finishers in each class:

Streamliners (5 entries) – 1) Dennis Grelk, Donnellson, Iowa, Cuda W streamliner, built by Warren Beauchamp, 337 points; 2) John Simon, Portland, Moby streamliner, 297; 3) Univ. of Toronto, various riders, 220.
Streetliner (2 entries) – 1) Jeff Hunn, North Manchester, Ind., DF XL velomobile, 300; 2) Charles Brown, Southfield, homebuilt two wheeler with silver "torso" fairing, 110.
Stock (18 entries) – 1) Jonathan Walters, Cincinnati, Ohio, NoCom low racer, 340; 2) Dennis Grelk, homebuilt low racer, 700c wheels, 311; 3) Thom Ollinger, West Milton, Ohio, Morciglio Raptor, 286.
Women (1 entry) – 1) Claire Nolet, Univ. of Toronto, Speedmachine recumbent, 180.
Tricycles (1 entry) – 1) Marshall Randall, Rockford, GreenSpeed Aero, 60 points.


Marshall Randall on his GreenSpeed Aero only had time for the 1-hour time trial Saturday morning before having to leave. His average of 23.5 miles was a record for the tricycle class; the old mark of 20.5 miles was set in 2008. Marshall is director of sales and marketing for WizWheelz in Grand Rapids, maker of TerraTrike and GreenSpeed recumbent tricycles. (Marilyn Solomon photo)

Here's the top two in each class in each event (if only one is listed, that's all who competed):

One-hour time trials: Stock – 1) Dennis Grelk, 28.62 miles/46.06 km, 2) Jonathan Walters, 28.207/ 45.39. Streamliner – 1) Dennis Grelk, 31.8 miles/51.18 km, 2) John Simon, 27.51 / 44.27. Streetliner – 1) Jeff Hunn, 25.44 miles/40.85 km. Women – 1) Claire Nolet, 19.922 miles/32.06 km. Trike – 1) Marshall Randall, 23.47 miles / 37.77 km (record).
Dennis' bike fits the requirements of the now defunct super stock class and he exceeded the old super stock record of 26.7 miles, set in 2004. Meanwhile, Jonathan broke the old stock class record of 27.7 miles, set in 2005.  Both old marks were held by Frank Geyer, aka "Franknspeed."


Lining up for the start of the first 1-hour time trial on Saturday morning. Winner Dennis Grelk (28.62 miles) is on the low racer on the right (orange vertical stripe). (Mike E. photo)

Hill climb: Stock – 1) J. Walters, 19.522 seconds, 2) Mike Mowett, Detroit, Cervelo upright bike, 20.272 sec.  Streamliner – 1) Ethan Elba, U-T Tempest, 23.315, 2) Lincoln MacDonald, U-T, Tempest, 24.211. Streetliner – 1) J. Hunn, 29.778, dnf) Charles Brown, chain broke.  Women – 1) C. Nolet, 28.018 sec,
Coast down (when riders get to top of hill, they stop pedaling, the coast as far as they can go, then mark where they stopped with chalk mark on pavement. Finishing order recorded, but not how far they coasted.  Some U-T riders chose to keep pedaling back to the start line for another hill climb attempt or to the pits, so didn't compete in the coast down):  Streamliner – 1) D. Grelk, 2) L. MacDonald. Stock – 1) D. Grelk, 2) T. Ollinger. Streetliner – 1) J. Hunn.


Dennis Grelk has successfully raced his homebuilt low racer for many years, but has added fabric to cover any "gaps" for added streamlining, which is legal in the stock class. He finished second in the class. He also raced his streamliner, ran the timing system and drove with his mother, Mary, from Donnellson, Iowa – more than 1,000 miles round-trip. (Marilyn S. photo)

Standing start kilometer:  Stock – 1) G. Walters, 70.943 seconds, 2) Ron Wyatt, ?, Morciglio Raptor mid racer, 75.1. Streamliner – 1) D. Grelk, 81.1 sec., 2) J. Simon, 84.0 sec.  No streetliner, women's or tricycle entries.



Dennis Grelk won the streamliner class in his Cuda W streamliner, built by Warren Beauchamp. (Charles B. photo)

SUNDAY EVENTS

A new "non-hill" course was used for the road races, in place of the course used for the past several years. A lap was .624 mile, or just over 1 kilometer.

20-lap road race (12.5 miles/20 km): Stock – 1) D. Grelk, 27 minutes at an average speed of 27.7 mph/44.6 kph, 2) J. Walters.  Streamliner – 1) L. MacDonald, U-T Vortex, 17 laps completed, 22.25 mph/35.8 kph, 2) C. Nolet, U-T Tempest, 4 laps completed.


One of the three University of Toronto streamliners. (Marilyn S. photo)

25-lap road race (15,6 miles/25 km): Streamliners – 1) D. Grelk, 33.16 minutes at average speed of 28.13 mph / 45.26 kph, 2) J. Simon. Streetliner – 1) J. Hunn, 22 laps at average speed of 34.4 mph / 38.2 kph. Stock – 1) C. Nolet, Speedmachiner, 19 laps at average speed of 20.4 mph / 32.8 kph. 2) Ian Wu and Dylan Ngan (change of riders), U-T, Baron low racer, 16 laps.

200 foot sprints (top speed event): Streamliner – 1) Bill Kong, U-T Vortex, 44.22 mph / 71.16 kph. (Note: Final run of the day and Kong's only run), 2) D. Grelk, 41.99 mph /67.57 kph. Stock – 1) J. Walters, 41.51 mph / 66.81 kph, 2) D. Grelk, 39.61 mph / 63.74 kph. Streetliner –1) J. Hunn, 38.05 mph / 61.24 kph.  No women's or tricycle entries.


It's been a few years since Cyrus Furbush competed at the Michigan HPV Rally. He made his return by pedaling his M5 high racer 66.5 miles / 107 km from his home in Tecumseh to the track.  He said he started about 7 p.m. Friday and arrived at 4 a.m. Saturday. At the track, he had to remove the lights and rear carrier rack and everything he carried for two nights of camping, then Sunday afternoon, reverse the process. He then pedaled home, arriving about 1 a.m. Monday. He's shown here waiting to start the hill climb Saturday afternoon.


Jeff Hunn of North Manchester, Ind., had the only velomobile at this year's rally, a carbon fiber DF XL, and won the streetliner class over one other competitor. Vehicles in the class can have any number of wheels, any number of riders, wheel discs/covers and some type of fairing. (Mike E. photo)


It was not the best of Michigan HPV Rallies for Charles Brown of Southfield, the other streetliner competitor. He started Saturday morning with his wearable fairing made of 1-inch construction foam (that is, he puts the fairing on, then gets on the bike). (Marilyn S. photo) 


But he had problems with the fairing, so by Saturday afternoon's hill climb, his homebuilt bike was naked. But on one of three rides up the hill, the chain broke. (Mike E.)


Rally co-organizer Mike Mowett of Detroit gets an assist from Tedd Wheeler to stay upright before starting the hillclimb.  Mike also competed on his Morciglio M1 low racer. He and Dennis Grelk, in addition to handling timing and scoring and other duties, were the only solo (that is, non U-T) competitors to race their own two bikes. (Hannah Dempster photo)


Here's Mike on his Morciglio M1, waiting to start the hill climb.


Ishtey Amminger, who started competing in the Michigan rally in the junior class in 2015 at age 12, this year had to drive from his job at a summer camp in Arkansas to the home of his father, Peter, in Memphis, Tenn., and they then drove to Waterford Hills (and the reverse). On his Cruzbike Vendetta, Ishtey finished 6th in the stock class. (Hannah D. photo


Dan Glatch of Waterford, Wis., competed on the front-wheel-drive Milwaukee Flyer, minus its usual full fairing, which made transporting it much easier. It was designed and built by Mike Kramer of South Africa for Wimpie van den Merwe,also from S.A., who raced it at an HPV event in Minnesota in the early 1990s, then sold it to Dennis Northey, rather than taking it back home.  Dan and Bob Jung are now the owners. Dan said it was maybe only the second time he has raced the Flyer minus the fairing. (Hannah D. photo)


Mike Denninger of Bedford, Mass. (about 1,640 miles round-trip) first raced his homebuilt low racer at the 2017 Michigan rally, then returned this year.  For more information, see the article on this blog, "Two nice homebuilts at Michigan HPV Rally," posted July 16, 2017. (Mike E. photo)


John Simon of Portland, finished second in the streamliner class in his Moby streamliner. Terry Hreno of Connorsville, Ind., built it in 1984 and sold it to John in 1988, He's been racing it ever since. (Marilyn S. photo)


After the racing was over Sunday, the University of Toronto Human-Powered Vehicles Design Team posed for this photo. (Mike E. photo)


Gary and Marilyn Solomon of Laidback Bike Report were at the rally both days, recording and photographing the event and talking to people. Gary's report is part of the Laidback Bike Report broadcast on July 9, which can still be seen on the website (laidbackbikereport.com).  Some of the photos in this report were taken by Marilyn.

Note:  If you see anything in this report that needs correcting or should be added, please email me at mikethebike2325@comcast.net.               Mike E.

More photos and/or videos from:

Hannah Dempster, University of Toronto:  https://photos.app.goo.gl/gt92KeiXnQtn1C329