UK Karting - Notice Board (2-Stroke Karting) : Re: gearing differances

Notice Board (2-Stroke Karting)

Re: gearing differances
Posted by 'itpro' on 24 Feb 2011 @ 23:33

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itproJoined: August 2001
Total Posts: 6
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Danlee is correct.

What6 made you think there would be a difference between them?

There are other sliught advantages between the two but it's not to do with acceleration.

The 10/80 arrangement places the driven sprocket closer to the track than with 9/72..... and kerbs and increases the chance of a damaged chain/sprocket.

However...

The smaller circumference of the 9 tooth...:-

1) increases the angle through which the chain needs to turn....:-

2) which increases the angle through which the chain links need to 'move'
3) Increases the temperature of the chain... it gets EXTREMELY hot!
4) increases the wear rate on each tooth
5) It increases the amount of 'surge' given by each link of the chain. You are trying to make lots of straight-bits fit round a round-thing. The tighter the turn, the more the 'snatch' caused by the chain not being a 'smooth-curved' object like a drive belt.

Ian

Message Thread:

gearing differances by 'Gaz1970' (24 Feb 2011 @ 23:10)

Re: gearing differances by 'Danlee' (24 Feb 2011 @ 23:14)

Re: gearing differances by 'itpro' << You are here!

Re: gearing differances by 'Gaz1970' (26 Feb 2011 @ 8:30)

Re: gearing differances by 'TKM177' (26 Feb 2011 @ 9:20)

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