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Old 05-09-2016, 11:19 AM
wirejock's Avatar
wirejock wirejock is offline
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,821
Default F-796A, T-405 DWG 38

The plans and manual mention sufficient edge distance on both F796A and T405 Tank Attack Brackets before drilling.
There's no edge on F796A and if it were closed, would be short by about 1/16".
Am I supposed to file the slot a bit deeper to get the meaasurement? If I do, it encroaches on the edge distance on T405. I dont see a reason since the part has a slot in it anyway.
What have others done here?
It appears, if the F706A were closed, the edge distance would be correct.
Still, it would be nice to hear a second opinion.

Larry Larson
Estes Park, CO
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.

Last edited by wirejock : 05-09-2016 at 12:38 PM.
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Old 11-24-2019, 06:00 PM
mfleming's Avatar
mfleming mfleming is offline
Join Date: Sep 2016
Location: Joseph, Oregon
Posts: 535

Well, I can't believe no one replied to this post

(I'm sure Larry has moved on from this issue)

I came across this post today while trying to figure out the F-796A, T-405 edge distance called out in the manual and drawings.

I'm adding my two cents for the builders that may search this subject in the future.

This is my take, if anyone thinks different please jump in.

The manual says: "Double check to be sure you have sufficient edge distance on both T-405 and F-796A. Drill the 1/4” hole through T-405."

There is no hole drilled through F-796A except for the slot already manufactured in the part.

I contend the writer of the manual was confused by the engineering drawings as I was. There are some measurements called out near the the ½" edge distance call out. BUT theses are just reference line to locate approximately were to bend F-796A.

In the drawing below, I erased some of the confusing info that's not needed for this discussion.

I marked the edge distance call out in red. It plainly refers to T-409. The other call outs are for the bend lines...I circled these in blue.

This is for the RV-7/A tank bracket edge distance issue.
Michael Fleming
Joseph, OR
sagriver at icloud dot com

RV-7 Slider #74572
Started 11/2016
Empennage completed 11/2016 (sans fiberglass)
Ailerons and flaps completed 3/2017.
Wings completed 12/2017
Started on QB fuselage 01/2018
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