yellowcab
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| posted on 15/2/13 at 10:26 PM |
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Why is my prop so fat? (Indy Busa)
Removed the panels ontop of the tunnel tonight to expose gear shifter, as I'm converting to a cable instead of a rod...
Going by the pics I've seen, the fulcrum for the cable shift is below the pivot point, so it hangs 'in' the tunnel
Bit weird to find that I can't have mine that way around, as there is no room...
Does my prop look normal to you?
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yellowcab
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| posted on 15/2/13 at 10:28 PM |
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by the fulcrum/ pivot comment, I was expecting to have room within the tunnel to mount it like so (i understand this is LHD)
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austin man
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| posted on 15/2/13 at 11:01 PM |
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That does look rather large, my zetec prop isn't that big
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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mark chandler
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| posted on 15/2/13 at 11:09 PM |
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I guess someone simply chopped up what they had.
Dependant upon length you go from 2" to 3" tube as the area you are trying to twist needs to also grow with length or power.
If you had a single piece prop then I could understand why you would have a 3" prop, as its split cannot really see why TBH.
Regards Mark
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yellowcab
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| posted on 15/2/13 at 11:18 PM |
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So is there an benefit to changing it, or would you not bother?
I suppose I can figure out gear throw some other way
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austin man
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| posted on 15/2/13 at 11:57 PM |
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less mass to turn I would think that there could be a small power gain in reducing the size
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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Andy B
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| posted on 16/2/13 at 07:16 AM |
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The biggest reason to change it would be if the original was not a resilient tube item. The bike utilises Cush drive where the engine drives a chain
that drives the sprocket on the carrier. The carrier in turn drives the back wheel through a number of Cush drive rubbers to soak up a lot of the
mechanical snatch that damages gearbox dogs and in the cars case the teeth on the diff. A resilient tube item consists of a tube in tube- small
diameter is connected to centre bearing, large diameter to the diff uj and the two are bided together with rubber- personally I feel they are a must
for BEC
Best regards
Andy
[Edited on 16/2/13 by Andy B]
[Edited on 16/2/13 by Andy B]
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yellowcab
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| posted on 16/2/13 at 08:10 AM |
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Cheers Andy, so how would I know what type mine is?
It's kinda scuppered my gear lever and 'throw' plans at the moment lol
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loggyboy
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| posted on 16/2/13 at 08:28 AM |
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Looking at your current mechanism your plan to hang the shifter will switch the up/down direction, is that your intention, or are you removing a pivit
further up the line to counter?
Mistral Motorsport
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40inches
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| posted on 16/2/13 at 10:37 AM |
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That's a lot fatter than mine, mine is also a lot lower at the centre bearing. Can you lower it, to give more room below the gear lever?
 
Prop Catcher
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