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  1. rodsmith

    Don't make this mistake

    Sprayed the top coat on my ailerons yesterday and discovered a problem that goes back to the initial covering technique I used. I used a single piece of fabric wrapped around the flaps and ailerons with a 2" glued overlap and 3" tape on the upper leading edge. So far so good. What I didn't do...
  2. rodsmith

    Click bond cable tie mount kit

    I was vaguely familiar with the click bond system for mounting nutplates, cable tie mounts and even studs on surfaces that aren't conducive to normal attachment. I wanted to mount my pitot/aoa probe mid wing but this ended up putting it under the aileron cable. I needed to make sure the plastic...
  3. rodsmith

    Deutsch Electrical Connectors

    Awhile back I asked the forum about using wiring connectors at the wing roots. Rob Caldwell mentioned Deutsch connectors which I was unfamiliar with. I ordered a couple on EBAY and was very impressed with the quality and ease of use. They are easy to put together, take apart and unpin if...
  4. rodsmith

    Wing Root wiring break Pros/Cons?

    I wired my wings with enough length of wire to reach the cockpit with small service loops in case the wings ever need to be removed. Now I am looking at what a pain it is going to be dealing with all the wire when attaching the wings. There is a lot of wiring as I am taking all grounds back to a...
  5. rodsmith

    Sight gauge connections.

    Getting the last details completed on the wings before painting. I realized I don't have a good plan for connecting the sight gauges to the tank. I have excess length of 1/4" tubing sticking out of the wing root. I don't think I can measure accurately enough where to cut and flare the tubing to...
  6. rodsmith

    Tell us what you did today on your Bearhawk Project

    Finally painted my floor boards with Stewarts acrylic metallic grey. Supposed to be pretty tough. I had made the floor boards a few years ago but was not happy with the fit of the most forward one, plus I had to move the fuel selector. So remade the front one and painted them. Weight of the .032...
  7. rodsmith

    Hoerner wing tip project.

    Gathering materials to make 15" wide hoerner style wingtips. I've done a fair amount of fiberglass/composite work but nothing on this scale. I plan on using carbon fiber, I'm thinking 5 to 6 layers. Would like advise on style and weight of cloth. Also advise on type of epoxy to use, I have...
  8. rodsmith

    Bolt edge distance in steel fittings.

    Specifically the 1/4" hinge bolts in the .071 flap and aileron hinges. Apparently these holes were pre-drilled in later wing kits, mine aren't. Gives me a little more flexibility in alignment, but I wan't to make sure I maintain minimum edge distance. I'm thinking it is 1 1/2 x bolt diameter...
  9. rodsmith

    Another control mounting question.

    In the quick build wing instructions it says to use nutplates for the AN3 bolts that attach the hinges to the spar webs. I can't see any reason not to just use nuts. The only reason to remove the hinges would be if they were damaged, and that would mean the control surface was damaged and you...
  10. rodsmith

    Hanging Flaps and Ailerons

    I have 2004 vintage quick build wings. I'm finally getting around to installing flaps and ailerons. I have found that the closest I can mount them to the rear spar ends up with a chord length of 66 3/8. That leaves the gap between the aileron nose and lower wing skin just 1/8th inch. I could...
  11. rodsmith

    Big Screw Up, but fixable

    Last night I was doing the last sanding on the fuselage fabric before the finish coat, my interior is also fabric. All of a sudden it hit me, I need holes for the aileron cross over cable. I'm thinking, no big deal, think I will just use the soldering iron, don't think I will even bother with...
  12. rodsmith

    Surprise Patrol Visit

    Tuesday my neighbor Jim said you have to see what is in my hangar. Turned out it was a Patrol. Jim winters in Casa Grande, AZ and had met Curtis from Manitoba who was there with his Patrol at the fuel pump. Jim had invited several pilot friends to come do some local off airport flying. Due to...
  13. rodsmith

    Bearhawk Patrol C-FABP Patrol built by Peter Stevens

    I'm not sure when Peter completed this. It originally had Bob Barrows paint scheme in red and white. Now owned by Curtis Penner from Manitoba who bought it after Peter's untimely death, and had it repainted.
  14. rodsmith

    Finishing Tapes

    I'm having a hard time deciding what width to use for tapes over the stringers and the longerons. Either 3" longerons and 2" stringers, or 2" longerons and 1" stringers. Realize it an aesthetics questions, would like thoughts on what others have done and if you like the result.
  15. rodsmith

    Fabric transition, upper longerons to vertical tail

    Finished the exterior fuselage fabric. I did the sides in one piece including the vertical tail. I used the airfoil shaped wood strips on the vertical tail ribs. On the left side the fabric is tight to the wood strips. Due to the offset of the vertical tail, on the right side lower rib the...
  16. rodsmith

    Pitot/static testing

    Running tubing to the future ADHRS and G5 locations. I can't remember the details of the pitot/static test that has to be done every two years. Is there a provision I can make in the plumbing to make it easier for the technician to accomplish.
  17. rodsmith

    Securing wiring

    I have been trying to follow AC43.13 methods in securing wires. With wire bundles I have been using lacing cord between anchor points to keep the bundles together and adel clamps at the anchor points. In a few places I have a single 22 ga wire that needs to be secured. I do not like using nylon...
  18. rodsmith

    Rib stitching top stringers

    I recall some discussion about rib stitching the first couple feet of top stringers from the forward attach point just to make sure the fabric can't start to detach. In my case my top fabric starts at the rear spar, everything forward is skylight. I will have a 1 1/2" glue seam and that is...
  19. rodsmith

    Stewarts glue tip

    Last week I started my interior fabric. I was having a problem getting an even coating of glue on the tubing, had streaking and sometimes beading of the glue. I called Andy at Stewart. He recommended scuffing up the tubing with scotch bright and also trimming the 1" brushes so the bristles are...
  20. rodsmith

    Door sill treatment

    I don't think fabric and paint will hold up on the door sills. I know some are using 26 ga stainless, for all the door sills that would be 2#. Has anyone found something else lighter than stainless that is working out?
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