smart51
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| posted on 2/8/10 at 07:52 PM |
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Is drive shaft metal weldable?
My donor's speedo was mechanically driven from the front wheel but as I'm not using a scooter front wheel I need to drive it from teh
front wheel off a FWD car. I've taken the drive shafts apart and now have a pair of empty ends. One of them I've cut the
"cup" off so it is a flat plate with a splined shaft and thread for the hub nut. This will hold the hub to the upright nicely. I'd
like to do the same to the other side and weld a coupling on to it so that it takes the speedo pick up point. I have no idea what the drive shaft
stub is made from. Is the metal likely to be a grade of steel I can weld to?
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Wadders
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| posted on 2/8/10 at 08:43 PM |
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in short.. Yes 
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madteg
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| posted on 2/8/10 at 08:55 PM |
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You can weld to it, but it will weaken it slightly but should be ok.
I sleeved my sierra shafts and welded sleeves ok for 18 months but then snapped one on start line at santapod, it was the weakest link.
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smart51
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| posted on 2/8/10 at 08:57 PM |
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Its only driving the speedo so torque isn't going to be the problem. Its a plan with no draw backs then.
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Madinventions
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| posted on 2/8/10 at 09:42 PM |
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I think driveshafts are made from spmething like EN16T but not hugely knowledgable in that area...
I cut and sleeved my Ford Puma driveshafts using a sleeve made from a lump of EN16T (tough stuff!), TIG'd it all together, and it's
survived a Snetterton trackday and several hundred miles so far, so it should be ok to drive a speedo for you!
Ed.
Mojo build diary: http://www.madinventions.co.uk
Solo music project: Syrrenfor http://www.reverbnation.com/syrrenfor
View my band website:
http://www.shadowlight.org.uk
http://www.eastangliankitcars.co.uk/
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