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TD 010 Crankshaft. Babe_b10
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TD 010 Crankshaft.

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TD 010 Crankshaft. Empty TD 010 Crankshaft.

Post  ebeneezer on Sun 03 Feb 2013, 12:14

Guess whose just broken off the piston drive spiggot on my TD 010. Being a mechanical engineer I thought I'd have no problems. I know it's going to be difficult to get one, any ideas? Sad Sad Sad Flying
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Post  pkrankow on Sun 03 Feb 2013, 12:26

Center punch, drill, tap, locktite, pray...

or

Center punch, drill, ream (or not) and press/shrink fit the new stud from hardened rod...

use a hardened bolt that is cut down as the new part, good luck finding a truly hardened bolt in these sizes though. small diameter drill rod is much easier to get. I have a whole index full.

Not that much to loose by trying.

Phil
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Post  ebeneezer on Sun 03 Feb 2013, 13:19

Sadly some of the crankshank flange chipped away with the spiggot. so I would have to reposition the spiggot by 90 degrees. Would that matter? Flying
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Post  pkrankow on Sun 03 Feb 2013, 14:14

You're the engineer...

Unless you source another crank I guess it is what you have. Is this a reedy? Is the crank web a disk or is is relieved for balancing? I don't have an 010.

If you change the location and the intake is through the crank then you will make it a reverse runner.

Phil
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Post  Surfer_kris on Sun 03 Feb 2013, 14:21

The .010 are TD style only, i.e. the intake is in the crank. The crank pin has to be where it was, unless you convert it to a counter rotating crank. Even then I believe that the rotation should only be about 90° from where it was (Enya 09 engines have this feature where you rotate the intake in the crankcase).
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Post  ebeneezer on Sun 03 Feb 2013, 14:33

Thanks, replacement crank it is. Oh well, that puts the Lil Stingray on hold. Sad Sad Sad
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Post  ian1954 on Tue 05 Feb 2013, 10:33

A replacement crank will be hard to find.

Please post a picture of the damage and broken bits (if you could find them all). It may still be repairable.

Ian
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