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TOST Release Failure - Two Uncommanded Release's
Peter Scholz ASW24 JE Well, this TOST hookup was replaced about 100 tows ago. Looks like there was dirt that got into the sleeve that housed the release cable. Where do you order a new one of these? Time for a new one.
Try the aviation dept. of your local bicyle or motorcycle store. You can buy the Bowden cable set with all required end fittings there off a bulk reel. 'GM' |
#12
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TOST Release Failure - Two Uncommanded Release's
Had two cases like this. One was a broken over-center spring in the release
(on one side only, only visible after dismantling the release). The other an extremely heavy pilot making the seatpan sag and push against the release lever. My bet is you have a spring problem. At 06:38 12 October 2012, Peter Scholz wrote: Am 12.10.2012 07:29, Bob Kuykendall wrote: As others note, that is the classic symptom of the overcenter spring being broken on one side. The spring in question is a two-sided torsion spring with anchors on both sides of the overcenter arm. The result of this failure is that the hook will seem to operate normally, but it will self-release under very low loads. It could also be the other failures suggested in this thread, but my money is on the spring being broken on one side. Thanks, Bob K. This is the reason why the TOST release has a nominal TBO of 2,000 tows (i.e. 10,000 cycles to the spring). Send it in to be services and be happy for another 2.000 tows... -- Peter Scholz ASW24 JE |
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