zilspeed
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| posted on 12/4/10 at 10:01 PM |
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Sprint gearing
Yep, I think that's what I'm going to have.
Being a bit of a, how shall I put it, a tit, I hadn't paid any attention to the diff ratio in Ye Olde Rustye Sylva.
Seeing as the axle's now out, it kinda made sense to check it out.
4.12 : 1
Woohoo.....
According to the gear calc spreadsheet, I'll have a top speed of 100.13 mph @11,000rpm with my 185/60 x 13s.
That's a bit err 'short' is it not ?
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blakep82
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| posted on 12/4/10 at 10:22 PM |
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erm, yeah, not ideal...
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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UncleFista
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| posted on 13/4/10 at 12:48 AM |
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Hmmm, buy some bigger wheels/tyres ? 
Tony Bond / UncleFista
Love is like a snowmobile, speeding across the frozen tundra.
Which suddenly flips, pinning you underneath.
At night the ice-weasels come...
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lsdweb
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| posted on 13/4/10 at 07:35 AM |
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Just go and do hillclimbs instead!
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minitici
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| posted on 13/4/10 at 08:14 AM |
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Seems reasonable for a target speed of 95 mph over the finish line at Kames sprint - but that will be an awful lot of gear shifting in 200 yards!
The ZX10 Hawke was only on the rev limiter in 4th at 92mph........
[Edited on 13/4/10 by minitici]
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zilspeed
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| posted on 13/4/10 at 05:20 PM |
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Well, as the hills and sprints will be my chosen thing, it isn't a big deal in terms of top speed, but as the man says, and if I may lapse into
the Scots for a wee moment, it'll mean a wheen o' gearchanges.
As I said to someone else last night, it'll be all revs and fury, but at speeds more compatible with my meagre talents.
Until the Viva diff breaks, at which point we're Donald Ducked.
Then we're into some engineering...
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paublo999
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| posted on 18/4/10 at 09:18 PM |
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Ingliston will need closer to 120 mph?
My videos http://www.youtube.com/user/ninjabogeyracing
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zilspeed
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| posted on 31/5/10 at 05:00 PM |
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quote:
Originally posted by paublo999
Ingliston will need closer to 120 mph?
I'll just put a ringer in for that.
I have a mate and a friend of his who between them have more laps of Ingliston than the rest of us put together.
P.S. Thread resurrection tastic.
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matt_gsxr
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| posted on 31/5/10 at 11:02 PM |
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Well the solution is obvious.
Reprogramme the rev limiter!
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2cv
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| posted on 1/6/10 at 05:31 PM |
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quote: According to the gear calc spreadsheet, I'll have a top speed of 100.13 mph @11,000rpm with my 185/60 x 13s.
What engine/box are you running?
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zilspeed
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| posted on 2/6/10 at 07:58 PM |
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quote:
Originally posted by 2cv
quote: According to the gear calc spreadsheet, I'll have a top speed of 100.13 mph @11,000rpm with my 185/60 x 13s.
What engine/box are you running?
ZX10 - not the current one.
Old model 997cc, like a ZZR1100 only 55cc smaller.
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2cv
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| posted on 2/6/10 at 08:12 PM |
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It should be very accelerative!!
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motorcycle_mayhem
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| posted on 3/6/10 at 12:33 PM |
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Time for a CWP change then!
I'm stuck at 3.2 (Freeloader) and that just isn't enough for Combe, Goodwood and several others. There's a 3.14 Sierra option for
me, but that's a lot of pain for not a lot of gain.
Current slicks (9.2 by 22), are about as big as I can go, yes, there are 23" ones, but they're Carlos Van Dango width...
So, yep, same problem. Unless I can stumble across a good way out of this, the Westfield gets dumped for a R1oT.
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zilspeed
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| posted on 12/6/10 at 03:47 PM |
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Not sure there are any alternatives for my current axle.
The stupid side of me thinks that ripping it out, sticking in a transaxle and an IRS setup would be a good idea.
Also gives a mechanical reverse gear too.
(Which I still think is a must. To suggest otherwise is second best really.)
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Ivan
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| posted on 12/6/10 at 04:27 PM |
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The simplest solution is bigger wheels and/or bigger profile tyres if it suits your configuration.
Or of course new innards for the diff at a more suitable ratio - then at least the installation stays the same.
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