[Public-List] Two things I learned in my late launch

John Boor mahseer at kos.net
Fri Jun 21 13:05:57 PDT 2013

I would suggest replacing lock washers and nuts with nylon lock nuts.

John Boor

> Hello,
> Two things I never experienced or noticed in previous years:
> (1) I replaced the chainplate bolts with 5/16" shanked bolts many years
> ago. I visually "inspected" them every year. This year, I went to see if
> the nuts were tight when one of the shroud chainplates showed a small
> gap to the bulkhead. Particularly on the 6 chainplates for the shrouds,
> some of the bolts were as much as _2 turns_ from fully tight. There were
> plenty of threads sticking through the nuts and they "looked" fine, but
> tightness should be checked. Backstay nuts similarly loose, forepeak
> nuts only turned a fraction of a turn, not really loose. All had lock
> washers.
> (2) When the A-4 engine stopped running twice after a few minutes each
> time, the second time after rapping on the float bowl, I assumed it was
> the float or the pump. Tracing through the fuel system, it turned out
> that last year's Racor water separator was plugged. I had ordered a new
> one, but it had not arrived yet.
> --Dan S.
> Watcher of the Skies, #201, 1966, Ithaca, NY, Cayuga Lake
> dans at stmktg.com
> mobile: +1607-592-8012
> Strategic Marketing Associates
> 403 Highgate Road
> Ithaca, NY 14850
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