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  1. DesertBearhawk

    Bucking spar rivets

    Bearhawkers....I have my first spar ready to rivet together. I have spent all day thinking about driving that first rivet...to say I am nervous is an understatement. I am looking for any advice I can get on how to proceed. I have a 3X gun and a 2 pound bar... Thoughts?
  2. DesertBearhawk

    Project Update

    My Build started last May, May 23 to be exact. 7 months and 10 days later (if my math is right) I have the following completed: All ribs made complete with vertical stiffeners and primed. All pocket ribs complete and primed. All main spar and rear spar webs bent to shape. All main spar and rear...
  3. DesertBearhawk

    Vertical spacer bars on main spar

    I am fitting my vertical spacer bars on my main spar. The plans indicate three holes in the bars. With the two rivet holes in the cap strips you would have 5 rivets holding the rib attach angles to the spar. I noticed in the builders guide that he has drilled 5 holes in the spacer bars and has...
  4. DesertBearhawk

    Main spar splice plate

    Im fitting my main spar splice plate and I have a little vertical movement between the cap strips, is this a no go deal? How critical is it to have that plate fit tightly between the cap strips? I would say I have between a 32and and a 16th of movement.... Please Advise. TIA....
  5. DesertBearhawk

    Match drilling Cap Strips

    Guys, I am laying out my cap strips..... Question: Any reason that I cant lay out the long cap strip on the top and bottom and then match drill everything from them? I am not a fan of the line everything up on the front and rear side of the spar and then drilling....working upside down kinda...
  6. DesertBearhawk

    Wing Steel

    Question on the wing steel, specifically the flap steel. As the flap torque tube rides in to chro-mo bushings and the tolerances are extremely tight can this tube be painted? Seems to me if I paint the torque tube I will not be able to get it through the bushing. Please advise. Thanks
  7. DesertBearhawk

    Wing to Fuselage Attach Points

    Guys, as I have some down time while I wait for supplies I have been reviewing the plans. For the life of me I cannot find the drawing the shows the attach points for the wing on the fuselage. I am sure I am overlooking it but nonetheless.... Can someone direct me to the drawing that shows the...
  8. DesertBearhawk

    Spar cutting and bending...

    Guys, Getting ready to cut and bend my spar webs this week. Was doing some figuring in the shop and reading everything I can get my hands on. The formula I have (its in the book, THE book) is flange X2 + bend radius + rib hight to get the cut size of the spar. the question I have is do use the...
  9. DesertBearhawk

    Spar Table

    Spent the weekend rearranging the shop, and building a third EAA table. Now I have a 15' table for spar building. This week I will bend the spar webs....
  10. DesertBearhawk

    Cap Strip Material, Where to Buy?

    Guys, I am putting together my cap strip order. Looks like Wicks has me covered on the 12' 2024 stuff, but where does a guy find the 6061-T6 bar in 14 foot sections needed for the rear spar? I am trying to get all of it on one order to save shipping.... Who has the inside dope? Thanks!
  11. DesertBearhawk

    Cap Strip Vertical spacers

    Guys, the plans call for the 1/8 X 1/2 vertical spacers on the spar are of 6061, any reason I cant use 2024? Please Advise...
  12. DesertBearhawk

    Cap Strip measurement issue

    Guys, I was working on my cap strip order today and found a mistake I made when making my center ribs. I made each rib to length, all of the ribs are a 1/8 short on the rear to accommodate the full length cap strip on the rear spar and the front is either full length, 1/8, or 1/4 short...
  13. DesertBearhawk

    Center Rib, root position

    Guys, I am in the process of assembling my center ribs that are for the root position. I have them all drilled and colecoed up and I noticed that I do see the ribs have a little separation between themselves where the lightening holes are located. I was thinking that maybe I should put a row of...
  14. DesertBearhawk

    First Holes Drilled!

    Finished priming all my ribs, attach, and stiffener angles and tonight I drilled my very first holes....riveting will commence soon!
  15. DesertBearhawk

    Joggle Stress

    Guys, I feel I have made a series of mistakes, 170 of them to be exact.... I am in the process of painting my ribs with primer and it has occurred to me that I should from the Joggle before I paint the ribs. I think that I should have set the Joggles when I was forming the ribs (mistake #1)...
  16. DesertBearhawk

    Making progress!

    Slowly getting all the ribs primed.
  17. DesertBearhawk

    Desert Bearhawk is here!

    Hey everyone, Dave Bottita (aka DesertBearhawk) here coming to you from sunny Las Vegas, Nv. I am building a 4 place BH from plans, set #1299. I started in June of this year and I have all my ribs done, all the attach and stiffener angles done, and some of the spar parts complete. Good to...
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