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Old May 31, 2010, 01:35 PM
Dan.Cummins is offline
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Wing tube drill jig


Wing tube drill jig
I need to drill some wing tube holes for some TWF wings, and I need to dial in as much dihedral as I can get between the top skin and bottom skin over 5 or 6 inch wing tube....so I made up this little wing tube drill jig.

It allows me to set the root entry point (wing in the bed), and then the maximum dihedral (wing out of the bed, extend drill tube until it just touches the bottom bed).

Materials used for Wing Tube Drill Jig:

- 3/8" brass tube (for 11/32 wing tube for 5/16 wing rod)
- Two 1/4"-20 brass button head machine screws + nuts + washers
- 8"chunk of 1X3 poplar
- Two chunks of a wood yard stick

Materials used for Sub-Rib Drill:

- 1/2" Copper Pipe Repair Coupler
- 1/4" Piano wire for handle
Last edited by Dan.Cummins; Jul 07, 2010 at 08:08 PM.
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Old Jun 04, 2010, 10:10 AM
The_Builder is offline
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That is VERY COOL !!!! YOu should post that is the composites forum.
Old Jun 05, 2010, 02:03 AM
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Thanks, I will post the link in the composites forum.

DC

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Originally Posted by The_Builder View Post
That is VERY COOL !!!! YOu should post that is the composites forum.
Old Jun 08, 2010, 02:12 AM
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Nice!!!!

Did you glue the tube to the bolts?
Old Jun 08, 2010, 10:21 AM
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Originally Posted by fcbflyer View Post
Nice!!!!

Did you glue the tube to the bolts?

Nope, just used a dremel and a sand drum to shape the bolt heads to conform and then just silver soldered them using paste flux......I tried to break em off by hand and couldn't do it....so they're pretty strong.

Since the photo, I cut the tube length a little so that my 11/32 drill reaches through so that I can drill the root rib when it's in place.

DC
Old Jun 14, 2010, 10:16 PM
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check mine out it has bling sliders/uprights. Thanks Dan for the slotted poplar
Old Jun 14, 2010, 10:20 PM
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Cool, are you guys going to have a jig build off? Next put on some chrome parts
Old Jun 14, 2010, 10:49 PM
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Originally Posted by drivein View Post
check mine out it has bling sliders/uprights. Thanks Dan for the slotted poplar

Putting that mini-mill to work.....very cool........not that HD yard sticks aren't cool, but machined aluminum is cool.

DC
Old Jun 16, 2010, 09:31 PM
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Got to say Dan good design. I cut 4 pairs of spar tubes holes perfectly and quickly.
Old Jun 17, 2010, 12:39 AM
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Cool, I totally expect the cores to come pre drilled from now on
Old Jun 17, 2010, 01:38 AM
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Originally Posted by fcbflyer View Post
Cool, I totally expect the cores to come pre drilled from now on
Their already drilled, you need to pick em up and get em off my bench

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