rj
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| posted on 20/9/06 at 09:21 PM |
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BEC prop adaptor
Hi ,I have a BEC prop adaptor ,I belive it was from MK,and I am trying to fit it. I have cut of the front joint from the sierra prop and was expecting
the adaptor to push in,it wont as the adaptor is about 0.7 mm bigger than the inside diameter of the prop,does anyone know if it just needs turning
down to fit,or is it a case of warming up the prop tube and/or pressing in the adaptor,and then weld?
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DIY Si
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| posted on 20/9/06 at 09:27 PM |
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Err, doesn't the prop bolt on to the adaptor? Which in turn replaces the sprocket on the engine.
“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
Sun Tzu, The Art of War
My new blog: http://spritecave.blogspot.co.uk/
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Hellfire
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| posted on 20/9/06 at 09:27 PM |
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The propshaft adapter does not fit onto the propshaft. You need a modified propshaft from someone like MK, with the flange to bolt it to.
I'll have a look for a photograph............
Phil
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Hellfire
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| posted on 20/9/06 at 09:35 PM |
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Can't find a decent photograph that I can upload but if you have a look in our build diary (2nd November 03) you'll hopefully get some
idea of how it goes together.
HTH
Phil
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Winston Todge
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| posted on 20/9/06 at 09:37 PM |
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Down the bottom of this page...
http://www.mnrvortxr1.co.uk/buildpgtwo.htm
A few pictures showing the sprocket adapter.
HTH
Chris.
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PAUL FISHER
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| posted on 20/9/06 at 09:38 PM |
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One like this
 
Rescued attachment propshaft.jpg
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stevec
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| posted on 20/9/06 at 10:04 PM |
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JHC I wont sleep tonight worrying now,
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rj
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| posted on 20/9/06 at 10:07 PM |
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I think I caused some confusion with my terminology.I have the prop adaptor fitted to the bike output shaft,the UJ bolts to that ,it has internal
splines,what I am asking about is the externally splined item that is welded into the car prop.Has anyone done the fitting/welding themselves ?
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DIY Si
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| posted on 20/9/06 at 10:25 PM |
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Ah, I think I see what you mean. You have a uj but no prop to attach it to. I'd advise getting a prop company to make a new one with the correct
ends on it.
“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
Sun Tzu, The Art of War
My new blog: http://spritecave.blogspot.co.uk/
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tks
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| posted on 21/9/06 at 06:42 AM |
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Props
props need to be balanced also 2nd hand sierra onces can be had a heard live on them and have right on pension.
what if it decides to go pension when you puts 100BHP on it @80mph on the high with a car behind you!!
Then you cant brake, you only can hope the chasis is strong enough and the prop don´t reches your ankels?enkels?
it costs me the extra pay of this month to pay the prop (made by bailey morris in the UK)..
but i know that "a prof pop is a prof job!"
TKs
The above comments are always meant to be from the above persons perspective.
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Coose
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| posted on 21/9/06 at 07:35 AM |
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Speak to Dunning and Fairbank in Leeds (I don't have their number to hand unfortunately). They'll sort you out for a very reasonable cost
and you get a top job from them!
As Calvinx said, it's not worth taking the risk when it's so close to your plums, and the time you'd spend and the cost of the parts
is negligable!
Spin 'er off Well...
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zilspeed
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| posted on 21/9/06 at 08:59 AM |
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Last time I had a prop made it cost me 95 quid. Done localy and turned round in 24 hours.
I gave them the front end and back end of the existing shafts as a sample and the size I wanted.
Definitely not worth doing it any other way.
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