interesting bikes found randomly..
- Rockburner
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- Count Steer
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Re: interesting bikes found randomly..
I saw the belt on the other side but didn't see anything that would act as a brake or anything that you'd use to activate it...unless he sticks his boot on that 'drum'.Rockburner wrote: ↑Thu Jan 26, 2023 4:25 pmDrive belt is on the far side - the 'pulley' on the nearside of the rear wheel might be the brake 'drum'. (ie it's the surface that the brake shoe acts on)Count Steer wrote: ↑Thu Jan 26, 2023 2:27 pm It looks like a fairground 'wall of death' show type lash-up. Although the drive belt is on one side there's a pulley on both sides. The motor actually does look like a ditch pump and where's the exhaust? That pipe on top looks like it's connected to a distant carb and there's some sort of choke device in it by the cylinder head. Oh, and the artfully attached cloth underneath must be to catch the oil drips.
The lettering on the boards suggests 'travelling show' too.
That engine and belt drive definitely says 'farm' to me though.
I think they've cut an actual bike in half to make it.
Doubt is not a pleasant condition.
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Voltaire
But certainty is an absurd one.
Voltaire
- Rockburner
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Re: interesting bikes found randomly..
Nah - belt drive was widely used until about the 1930s.Count Steer wrote: ↑Thu Jan 26, 2023 4:30 pmI saw the belt on the other side but didn't see anything that would act as a brake or anything that you'd use to activate it...unless he sticks his boot on that 'drum'.Rockburner wrote: ↑Thu Jan 26, 2023 4:25 pmDrive belt is on the far side - the 'pulley' on the nearside of the rear wheel might be the brake 'drum'. (ie it's the surface that the brake shoe acts on)Count Steer wrote: ↑Thu Jan 26, 2023 2:27 pm It looks like a fairground 'wall of death' show type lash-up. Although the drive belt is on one side there's a pulley on both sides. The motor actually does look like a ditch pump and where's the exhaust? That pipe on top looks like it's connected to a distant carb and there's some sort of choke device in it by the cylinder head. Oh, and the artfully attached cloth underneath must be to catch the oil drips.
The lettering on the boards suggests 'travelling show' too.
That engine and belt drive definitely says 'farm' to me though.
It might be simply a slightly different diameter pulley so you can spin the rear wheel around for a change of gearing. Upon closer inspection I can't see any form of brake mechanism so I think that's what it is.
The engine maker's name appears to be _____ AT & Com. (or possibly ____RT & Com). I'm struggling to think of it.
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- ChrisW
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Re: interesting bikes found randomly..
Here's a pic of the other side - so some kind of training aid although I'm not entirely sure exactly how this worked.
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Re: interesting bikes found randomly..
According to Google translate,the photo is of the world hour record & his trainers
- Rockburner
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Re: interesting bikes found randomly..
yeah - it's an aero-pace bike - the guy at the back sitting up creates a vortex which pulls the cyclist along.
Nice to have a different pic from obviously the same day! (same jumpers! )
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- Rockburner
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Re: interesting bikes found randomly..
Incidentally - the current bicycle speed record was done in virtually the same way - but with a dragster equipped with bodywork the size of a barn door!
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- ChrisW
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Re: interesting bikes found randomly..
Huh! So the 'wheelie bar' is presumably a roller that the bike's front wheel can bump up against.Rockburner wrote: ↑Thu Jan 26, 2023 5:25 pmyeah - it's an aero-pace bike - the guy at the back sitting up creates a vortex which pulls the cyclist along.
Nice to have a different pic from obviously the same day! (same jumpers! )
- G.P
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Re: interesting bikes found randomly..
I still Like it though.Le_Fromage_Grande wrote: ↑Mon Jan 23, 2023 2:15 pmIt doesn't run, it did pre turbo, but as far as I know it hasn't run since the current owner put the turbo on, it's now a show pony.
- Count Steer
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Re: interesting bikes found randomly..
Doubt is not a pleasant condition.
But certainty is an absurd one.
Voltaire
But certainty is an absurd one.
Voltaire
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Re: interesting bikes found randomly..
Or just a bar, won't necessarily be a roller.ChrisW wrote: ↑Thu Jan 26, 2023 5:32 pmHuh! So the 'wheelie bar' is presumably a roller that the bike's front wheel can bump up against.Rockburner wrote: ↑Thu Jan 26, 2023 5:25 pmyeah - it's an aero-pace bike - the guy at the back sitting up creates a vortex which pulls the cyclist along.
Nice to have a different pic from obviously the same day! (same jumpers! )
non quod, sed quomodo
- Count Steer
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Re: interesting bikes found randomly..
'The bicycles had small front wheels in order to ride as close as possible to the pace bike, and the pace bike was often equipped with a small roller just aft of the rear wheel to avoid disaster should the cyclist make contact with the pace bike. Despite this safety feature, many pacers and cyclists got killed in crashes due to the high speeds and lack of protection.'Rockburner wrote: ↑Thu Jan 26, 2023 7:17 pmOr just a bar, won't necessarily be a roller.ChrisW wrote: ↑Thu Jan 26, 2023 5:32 pmHuh! So the 'wheelie bar' is presumably a roller that the bike's front wheel can bump up against.Rockburner wrote: ↑Thu Jan 26, 2023 5:25 pm
yeah - it's an aero-pace bike - the guy at the back sitting up creates a vortex which pulls the cyclist along.
Nice to have a different pic from obviously the same day! (same jumpers! )
Doubt is not a pleasant condition.
But certainty is an absurd one.
Voltaire
But certainty is an absurd one.
Voltaire
- Count Steer
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Re: interesting bikes found randomly..
You were spot on about the different sized pulleys giving different gearing RB.
(There were no brakes and no exhaust either ).
Doubt is not a pleasant condition.
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Voltaire
But certainty is an absurd one.
Voltaire
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Re: interesting bikes found randomly..
I'd happily have one, I've got the engine already, but the frame cost more than my whole Suzuki did.
Honda Owner
- Rockburner
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Re: interesting bikes found randomly..
Seen it before on Veteran bikes. If you're touring Europe it helps to have a different final ratio when you reach the Alps!Count Steer wrote: ↑Fri Jan 27, 2023 10:15 amYou were spot on about the different sized pulleys giving different gearing RB.
(There were no brakes and no exhaust either ).
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Re: interesting bikes found randomly..
Before Deraileurs were invented cyclists used to have a different sized sprocket on the drive side / non drive side.To change the gearing they'd take out the rear wheel & fit it back with the non drive side sprocket now becoming the drive sprocket.
- Count Steer
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Re: interesting bikes found randomly..
A Belgian bike! One careful owner, 52km on the clock, suitable for UK roads....and a small family. Built in a 'mountainous area'...of Belgium.
Doubt is not a pleasant condition.
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Voltaire
But certainty is an absurd one.
Voltaire
- ZRX61
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Re: interesting bikes found randomly..
The guy I bought my house from years ago built a turbo Gixer1100 quad for Sand Drag's. I found the original 500 stroker engine buried in the back yard.
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Re: interesting bikes found randomly..
Didn't help 'em much in 1940!Count Steer wrote: ↑Fri Jan 27, 2023 3:59 pm A Belgian bike! One careful owner, 52km on the clock, suitable for UK roads....and a small family. Built in a 'mountainous area'...of Belgium.
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Re: interesting bikes found randomly..
Our local spiffy bike shop is converting a Honda RC213V-S for road use... Probably won't be tempting that to play on Mulholland... They had one before & sold it for $265,000