boggle
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| posted on 13/4/10 at 07:08 AM |
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gear calc
hi all....
looking at a recent post, this is something i have overlooked....
however i have a no way of using the sticied thread as i dont have a programme at work that can open it and im not allowed to download one so can
anyone help??
i have a 3.18 rear diff (i think, or it might be 3.8) mating up with a fireblade engine...
cheers
barry
just because you are a character, doesnt mean you have character....
for all your bespoke parts, ali welding, waterjet, laser, folding, turning, milling, composite work, spraying, anodising and cad drawing....
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MakeEverything
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| posted on 13/4/10 at 07:29 AM |
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I can email you one?
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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Andy B
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| posted on 13/4/10 at 07:31 AM |
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There is a good on line calc that doesnt need downloading at www.gearingcommander.com, although aimed at bikes it is really useful for becs and has
all the ratios of all the models preset once you input make and model.
It will give final drive, rpm drops, comparative charts and much more
regards
Andy
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40inches
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| posted on 13/4/10 at 07:46 AM |
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Something like this? Bit crap but readable, tyre sizes make a differance.
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matt_gsxr
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| posted on 13/4/10 at 08:12 AM |
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Just a quick tip.
If you do try the www.gearcommander.com site, and you have a diff (i.e. not chain drive). Then in the space where
you need to put the front and rear sprockets you need to put in your differential tooth ratio (i.e. 47 and 15 for a 3.14 ratio).
If you don't know these then you can
put 362 and 100 (for a 3.62 diff)
or 314 and 100 (for a 3.14 diff)
etc etc.
You also need to input your wheel circumference.
Great database of gear ratios.
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minitici
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| posted on 13/4/10 at 08:52 AM |
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I have gear calculators on my site.
There is one for using with a rear differential.
Gear Calculator
If you are using a CEC then just input a Primary reduction ratio of "1".
 
BEC CEC Gear Ratio Calculator
Typical output from gear calculator.
The site also has lots of gear calculators for most popular bike engines with the gear ratios already input for you.
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