Damon Brantley
  • Mcloud, OK
  • United States
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Damon Brantley's Discussions

650 Side Skin Diagonal Stiffener Placement

Started this discussion. Last reply by Damon Brantley Apr 4, 2016. 2 Replies

I am trying to figure out the rivet hole placement for the diagonal L-angles on the side skins.The diagonal that is between the horizontal tail frames is well specified. However the placement of the…Continue

Scratchbuilding firewall tips?

Started this discussion. Last reply by Damon Brantley Nov 18, 2015. 4 Replies

I am trying to form my firewall. I have made the form according to the plans. However it looks like the forming process is going to be a little different than that of forming the ribs.From what I…Continue

 

Damon Brantley's Page

Latest Activity

Damon Brantley posted a blog post

Making Angle Gages

While making the bends for the front and rear center spar uprights, I had a problem trying to take measurements with any of the numerous protractors I had. The angles I was trying too measure were to acute for any of my protractors to fit. So I decided to make a set of simple angle gages.The gages were made using .025 aluminum scraps that I had laying around. The key to setting up the angle is to use a machinist tool called a sine bar. Referring to the picture below, the sine bar is the bar…See More
Oct 29

Profile Information

Aircraft Model
Zenith CH 650
Project Status
Less than half
Building From
Plans-only
Engine installed (or plan to install)
Corvair
Building Experience
No Experience
Flying Experience
Private Pilot

Damon Brantley's Blog

Making Angle Gages

Posted on October 29, 2017 at 5:54pm 1 Comment

While making the bends for the front and rear center spar uprights, I had a problem trying to take measurements with any of the numerous protractors I had. The angles I was trying too measure were to acute for any of my protractors to fit. So I decided to make a set of simple angle gages.

The gages were made using .025 aluminum scraps that I had laying around. The key to setting up the angle is to use a machinist tool called a sine bar. Referring to the picture below, the sine…

Continue

Making Center Spar Uprights

Posted on October 29, 2017 at 2:00pm 0 Comments

Fabricating the front and rear uprights for the center spar posed an interesting challenge. Each is about 18 inches long. One has a thickness of .063 inches. Which if that were all I had to deal with, I could bend it in my regular leaf brake and be done one with. However the other pair is 1/8" thick and I think would be a little too much to bend for the leaf brake.

Fortunately I have a hydraulic press and also a 26" press brake to go along with it.The problem with the press…

Continue

Centering little hole over big hole

Posted on September 24, 2017 at 12:30pm 1 Comment

While working on the center spar I had needed to attach the doublers. The problem is that the body of the centerspar had  1/4 inch holes already drilled into them, but the doublers only had 3/32 starter holes. It is no problem drilling out the first hole to 1/4", but how do I make sure that I am centered as closely as possible  over the other other 1/4" hole.…

Continue

Setting rivets in infrared

Posted on August 19, 2017 at 4:52pm 0 Comments

While setting the rivets for my spar jig I decided to take some infrared video of the rivet setting process to see

how the rivet heats up as it is compressed. Hopefully others find the results somewhat interesting.

The video can be seen at https://www.youtube.com/watch?v=_5s0YRXXiuw…

Continue

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At 3:15pm on July 31, 2016, Normand Lambert said…

Hi Damon,

I just bought a used 8 feet Sheet metal brake - condition like NEW ! Used to borrow someone else. I got mine and it works great. When I saw the plans for the trim tab I was not sure I could bend it in one shot. But I did a trail run with scrap aluminum and then did it for real.

One shot did the trick.

Regards,

Norm

 
 
 

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