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Sprite front swivel axle information

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Michael Oritt

Michael Oritt

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I'm trying to source out some parts for the Elva's front suspension which has Triumph Herald uprights and Sprite hubs. Here's my question:

How does the wheel spindle on a drum-braked Sprite attach to the swivel axle assembly--Is it tapered and does it bolt through the back?

The Moss drawing simply shows the entire assembly as one piece and I wonder if the spindles themselves are available separately.
 
Mike, they are one piece. The competition versions are modified by having a spindle made of a higher strength alloy welded into the upright.
I've wondered about the viability of doing a Spit style with the replaceable spindle myself.
Jeff
 
Thanks Jeff. Seeing as how the Sprite assembly swivels on a kingpin I was afraid that was going to be the answer.

The spindle on the Herald starts at the correct diameter (1") but has too fast a taper for the Sprite hub--I could probably get a machine shop to turn some for me. Any thoughts on the correct grade of steel to be used?
 
Mike, I think the alloy used is just regular 4130. You may want to check with either Huffaker or Winners Circle to verify.
Jeff
 
If you are going to do any really heavy-duty driving with these then 4340M is really great and only about 10% more expensive (for the raw stock material). We (Boeing) use it on the landing gear and it is substantially better than common 4340.
Bill
 
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