nigel_graham@mentorg.com wrote:
>
> > Has anyone used a fly cutter for cutting the access aperture? If so was it
> >successful?
>
> I have hit on an absolutely foolproof way of cutting out perfectly circular
> inspection holes in the fuselage without risking the inadvertent chopping off
> of fingers (Stanley knife).
> I bought a really cheap (25 pence) set of engineers dividers and ground one
> end to a chisel point. Placed the other point on the hole centre, and gently
> rotated between thumb and forefinger......Thats it! The sharpened end will
> cleanly cut through the fuselage skin. To prevent the the centre from boring
a
> hole, I usually tape on a thin piece of centre-punched alloy.
> Since any inspection hole should have the inner and outer skins bonded
> together ( and how many of you have NOT done that on your trim tab slots?!!!),
> I use the same technique to cut out a one inch diameter larger hole (inner
> skin
> only) than the inspection hole diameter......A neatly cut circle of bid
> completes the job.
> AND....since the cut is so small...I can use the circular cutout as the
> inspection panel.....so no splash mouldings needed and a perfect fit
> guaranteed.
>
> All cheques to......
> Nigel (147)
--
Timothy P Ward,
12 Waiwetu Street,
Fendalton,
Christchurch,
NEW ZEALAND.
Ph/Fax 0064 03 3515166
email ward.t@xtra.co.nz
|