Bike porn

by then, the belt is holding on / pushing /moving 2 ton of metal at that speed, as opposed to 12/3 stone of meat and muscle.

....

me or you??

motorbike drive belt... beefy as

motorbikes can't do skids.

You've never changed down too fast on a big bike, have you?

You've never changed down too fast on a big bike, have you?

it wasn't supposed to come out like that, you know, the lock up skids (not the brake type ones) the ones using the actual chain/cogs

jeeeshhhh

You've never changed down too fast on a big bike, have you?

it wasn't supposed to come out like that, you know, the lock up skids (not the brake type ones) the ones using the actual chain/cogs

jeeeshhhh

mitre, is stating that the belt causes the skid, through dropping a gear, not using brakes.

jeeeeeeeeeeeeeeeeeeeeesssshhh!!!

I though it was wheel spin, not locking up the wheel, that happened when you downshifted at too high revs.

i think you are going down the road of physics/maths/engineering/physical proprieties of materials and soon to arrive entombed at the dead end of wrongness constructed by your own confusion of reality.

anyways, all i am saying is that a belt is easily strong enough to drive/stop any man powered vehicle/useage

mitre, is stating that the belt causes the skid, through dropping a gear, not using brakes.

jeeeeeeeeeeeeeeeeeeeeesssshhh!!!

ouuhh i sheee..... i never wondered why that happened, you may be right about the downshiting, im no engineer
k, lesson learned

but still, belt drive? c'mon, would it not slip easily?

no

belts are better cos they are stronger, stretch less (or wear) and need no lube.

ouuhh i sheee..... i never wondered why that happened, you may be right about the downshiting, im no engineer
k, lesson learned

but still, belt drive? c'mon, would it not slip easily?

have you not read anything i have said?
belts have been used on high powered motorbikes for 40 + years, if they failed/slipped , surely they would have stopped using them 40 years ago.

belts are worse cos they are heavier, prone to foreign object damage and suffer from hysteresis loss far higher than chain friction.

fixed

in the clean environment of underneath the car bonnet they are !

In retrospect, in the open filth of the real world, belts probably aren't that good.

but seriously, the lack of lube is a real clincher !

motor bikes have them open to the whole wide wet woirld

....... open to the whole wide wet woirld

why does that makes me think of a tatty, smeared dvd case?

im up for testing it out with a ford escort fan belt modified bike setup

you have to give me that film back...........and i bet it's bloody scratched too??

belts have been used on high powered motorbikes for 40 + years,

If we restrict our comments to toothed belt final drive, can you cite 'high powered motorbike' use from 40 years ago? I had a belt drive Kawasaki ER250 a little over 20 years ago, but the Buell usage dates from more recently than that. However, the real high power users are not motorcycle final drives, or even car cam drives which are also common and far higher power than bicycle use, but supercharger drives on top-fuel and funny car dragsters, where the belt drives transmit several hundreds of kW*, not the barely 100kW of the most powerful belt drve motorcycles.

*Want more? 1000kW, in round numbers, through the 4" belt primary on this Australian Triumph dragster
http://www.mcnews.com.au/ClassicsCustoms/Dragbike/dragbike_feature.htm, which suggests that belt drives are good for about 160W/(mm of belt width * m/s of belt speed). Cycle use would be about 1m/s (200mm dia 'chainring' at 100rpm) and 10mm width, so 1600W

there ya go then.

this looks really fucking fast!

too much white though i think

only , 'cos it's blurry

^^ ahem, risers?