Ferg,
I'll check my tap, in the morrow and let you know...
Jeff - N55XS
Taxi testing while waiting for inspection...
Fergus Kyle wrote:
>
>Ah, well..............
> Having conquered a furious battle with alu - the production of
>Ted Gladstone's exemplary Door Openers - after having made only four of each
>of four samples. That's right - 16 faulty samples - a simple misread each
>time. In one case I made two faulty samples one after another - and each a
>copy of the original mistake..........!
> FINALLY, after correcting these egregious errors, and coming out
>with perfect silhouettes and holes all in one line, I have but to drill with
>4mm in order to thread with 5mm. Out came the treasured metric tap/thread
>set, bought with hard-earned Canuck pennies in emerging German industrial
>toolmaking in Munich, 1956. Narex the trade name was. I knew I would need
>them one day.
> Then in a fit of completion, I bought a Swedish 5mm tap and on
>inspection, discovered it said in TINY print, "WS" and down in one corner,
>"Coarse Thread".
>Oh-oh. I drilled 4mm on a scrap alu plate, brought out my 5mm tap, and
>threaded a perfect hole.
> The supplied door closer gas springs (anent "GS 8699-1 2 off")
>plus what I call 'pivot balls', came in kit 'FUSELAGE SMALL' according to
>my shipping records. You guessed it - the pivot balls won't thread into my
>test plate.
> I can only surmise that they are of the "fine" persuasion. Can
>anyone confirm this? I am only too pleased to discover this anomaly before
>I've tapped the 5th and final TG openers.
> Ferg
>Europa A064
>sanding, sanding, glass cockpit and 914 to go
>
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