CONTROL HORNS

[Martin X. Moleski, SJ]

--On Wednesday, September 03, 2003 8:27 PM -0500 Bob Pastorello <rcaerobob at cox.net> wrote:

> Sorry....typing more than thinking ;-)

Not a problem.  Thanks so much for the steady stream of great
advice.  ;o)

								Marty

> 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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>
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