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  1. DesertBearhawk

    Both Flaps Completed!

    MVP! Both flaps completed! Ailerons are next up!
  2. DesertBearhawk

    Left flap finished….

    I finished up my lefty flap tonight…for now anyway. Check a quick video on my channel….
  3. DesertBearhawk

    Rivet questions

    Guys, About to start riveting my flap together and have a couple of questions: As the nose skin to nose ribs are blind dome head rivets is there any reason I can't use 470's on the skin to spar flange area and not dimple them? I test dimpled some holes for #3 rivets and find that the "hole"...
  4. DesertBearhawk

    One Year Anniversary

    It was one year ago ( May 8, 2013) I sent my check to Bob for my plans. Since then I have built work tables (3), a router table, countless form blocks, and other tooling. I cut, formed, de-burred, etched, and primed all of the ribs and attach angles. I have riveted the stiffener angles to the...
  5. DesertBearhawk

    Spars Completed!

    Guys, some MVP to share tonight! 343 days from the day I wrote the check to Bob I have all 4 spars completed! Todate I have all ribs completed with stiffeners riveted in, all pocket ribs, stiffener angles, and other parts completed and primed as well... Time to clean the shop!
  6. DesertBearhawk

    Rear Spar splice plate.

    Guys, getting ready to fab up my rear spar splice plates. Would anyone see any reason why I can not make those splice plates out of 1/8th 2024-T3 plate? I have extra and I like the idea of a more stout plate for the splice. So, any reason I can't go bigger?
  7. DesertBearhawk

    Forward spar strut attachment straps

    Forward spars are now complete as I finished up the steel strut attach straps this weekend....
  8. DesertBearhawk

    Laying out Rear Spar

    Guys, I am laying out the rear spar. Locating the critical holes in the cap strips. I worked over the plans and made my measurements carefully. Then I laid the cap strip onto of the finished rear spar (the left spar in this case) and started to look at how things were lining up. What I am...
  9. DesertBearhawk

    Build Log / Inspection Requirements

    At the risk of having the entire Bearhawk Forum membership rain the smack-down on me I ask this question: What is REQUIRED in terms of a build log and or inspections? I am an A&P, not sure that makes a bit of difference. I have been taking TONS of pictures and I pseudo blog on my Desert...
  10. DesertBearhawk

    Wing Hardware

    Guys, trying to figure out the required hardware for the wing, specifically the bolts for the wing strut straps, flap and aileron mounts, and the pulleys. I was able to find little information on the plans, not saying its not there but Im not seeing it. I know the pulleys themselves are...
  11. DesertBearhawk

    TIG Welding

    Guys, Iam taking a TIG welding class at the Commuinity Collage and I am getting my rear end handed to me, TIG is hard to do! How long did it take you TIG experts to start to see some good results? It looks so easy to do until you do it.... They need to come up with a new type of tunsten rod...
  12. DesertBearhawk

    Main Spars Finished!

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  13. DesertBearhawk

    Landing lights

    Guys, I am not to far from the start of assembly of my wings. I'm thinking now is the time to plan for the landing lights. I want to have a light in each wing. I'm thinking the location will be outboard of the splice, half way to the top but I'm just spit-ballin' here. What have you guys done...
  14. DesertBearhawk

    Fixing a hole in 4130

    Guys, I have a hole in the wrong place on my steel straps for the wing strut attachment. Can I weld up that hole and re-drill or???? Please Advise....
  15. DesertBearhawk

    Bearhawkers in Lincoln Nebraska

    Hey guys, gonna be in Lincoln NE this next week (sunday - saturday) and wonder if there are any Bearhawk builds (or completed) near by that I could check out... Anyone know of anybody?
  16. DesertBearhawk

    TIG Machine

    Guys, Starting my TIG welding class at the collage this month and have been looking for a good machine. I really like the Dynasty 200DX, but it is out of my budget! :( I have found the Miller Diversion 180 TIG machine and it looks like it would do the job (far as i know at this point). See it...
  17. DesertBearhawk

    Instrument Panel

    Guys, was doing some advanced planning tonight. One thing I struggle with is the instrument panel...specifically what is going to be in the panel, and what is required.... Some background on me so you can understand where these questions are coming from. I am an A&P (30 years) and have never...
  18. DesertBearhawk

    MVP

    MVP...Right Spar completed...check the video.
  19. DesertBearhawk

    Riveting rib attach angles to Spar

    Guys... Had a hell of a day in the shop! I made the attempt to rivet the first set of rib attach angles to the spar. I started with the root rib as I figured it to be the easiest....I had to drill out two sets of rivets. I have not damaged the rivet holes yet but I doubt I get lucky a third...
  20. DesertBearhawk

    Correct rivet length

    Guys, riveting on my spar. Where you have 4 cap strips the total thickness is .532. As I am using a #5 rivet ( 5/32 or .156) the total length of the rivet should be material thickness + 1.5D or .532 + .234 which is .766. Convert that to 16's and you get 12.256 ( .766 x 16) which is a #12+ rivet...
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