CONTROL HORNS Drill

[ronlock at comcast.net]

One more alternative -
You can drill holes for dowels with a hole saw.
It still takes a wood backing and maybe the masking
tape as well on the back side of the drilled hole.
Personally, I use 5/8 inch dowels in lieu of 1/2.

Ron Lockhart
> Sorry....typing more than thinking ;-)
> 
> I put a piece of masking tape on the outside of the sheeting of the surface
> being bored.  If it's relatively sawdust-free, and good tape, it will hold
> the fibers together as the brass tube cuts through.
>     I drill mine in the drill press, using the shucks on the press table,
> drilling from the upper surface to the lower, so the tape is on the lower
> surface, and against the shuck.
>     Holding moderate pressure to the surface/shuck, the drill press with the
> tube will go through it like butter, with only light pressure needed.
>     Using this technique, one can do both ailerons, both elevators, and the
> rudder in about 5 minutes, if being slow.
>     Hardwood dowels are coated with thin epoxy, inserted flush with the
> sheeting.  If you're cautious, and pre-measure and sand the angles, these
> can be very cleanly glued in place.
>     After they're cured, drill centers in the same shucks for the 6-32 bolt.
>     Works just dandy.
> 
> Bob Pastorello, Oklahoma
> NSRCA 199, AMA 46373
> rcaerobob at cox.net
> www.rcaerobats.net
> 
> 
> ----- Original Message ----- 
> From: "Martin X. Moleski, SJ" <moleski at canisius.edu>
> To: <discussion at nsrca.org>
> Sent: Wednesday, September 03, 2003 7:58 PM
> Subject: Re: CONTROL HORNS
> 
> 
> > --On Wednesday, September 03, 2003 5:43 PM -0500 Bob Pastorello
> <rcaerobob at cox.net> wrote:
> >
> > > Masking tape on the back side of the tubing drill prevents the tear-out.
> >
> > Bob, with a round tube, I'm having trouble picturing the "back side."
> >
> > Do you just mean to wrap masking tape around the tube near the cutting
> > edge?  A depth stop?  Masking tape on the back side of the balsa being
> > cut?
> >
> > Thanks for clarifying.
> >
> > Marty #2874
> > =====================================
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