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I'm getting very good results back-riveting the bottom skin so far (at the nose ribs), and would like to back-rivet the entire bottom of the wing if possible since it's more visible than the top. Most scratch-build instructions and videos I've seen show the large bottom skin going on last, but...

For whom it may concern. I was not expecting this. https://www.sonexaircraft.com/sonex-closure/

My project recently pivoted and I find myself the proud owner of a well-outfitted Patrol fuselage, SN 12. It fits crosswise in the hangar behind the 140, where it will sit while I finish up the wings at home. The price was right and I couldn't pass it up. Over the years I've been acquiring...

I showed my project to a buddy yesterday to get pointers on things I should do before closing out the wings. His main observation was that my wings were very straight. TOO straight. He asked if I've ever tried landing an airplane without wash-out. It doesn't end well. I said I haven't (I think...

Someone with an exquisite Patrol apparently thought Hood River would make for a nice stop today. I was at work and didn't get a chance to say hi, but if you swing through on the way back home drop me a line!

Does anyone have a technique for bending these on a leaf brake? The zig-zag character of these stiffeners is stumping me. I have access to a 10 ft. leaf brake, but the bending leaf is too wide for a downward facing bend to hang over so it can lay flat. There is no clearance under the foot...

Where are people getting k1100-06 nut plates these days? I see the Vans aircraft store website is down and hopefully they will be back up, as I think they had the best pricing. Spruce has -06 and -08, the latter being about 1/5 the cost. Hoping I can find a better option. Given the astronomic...

This weekend. Any Bearhawks planning on attending?

In the spirit of the ongoing "riveting" discussion... ;) What technique do folks suggest to rivet the pocket ribs to the attach angles on the back of the rear spar? They are very tight corners. On the flap & aileron angles, which were a similar scenario, I used a rivet gun with extension and...

What covers the Patrol's flap pocket between ribs 1 and 2? (On the patrol, the flap begins at the root rib.) The patrol book page 21 says a single piece of .032 is used between ribs 1 and 2, from the back of the rear spar around the nose to the back of the rear spar. On my wing this measures...

Any Patrol builders out there with photos showing the relationship between the aileron cable pulley at the wing splice and the top end of the wing strut? My mounting brackets (purchased from another builder) are slightly taller than plans and I’m trying to see if that will be an issue with cable...

This may be old news to some but I stumbled across this by accident. Nice listing in a nice directory! https://airfield.guide/filter_airports.asp?892;XejVWskXByeQuywjlQij

Simple operation but critical - I'm getting ready to mount my spars into the framing jig and not sure if I should drill out the bolt attach holes with a drill press or by hand. Currently mine are #30 thru, and I'd like to drill them out to no more than #10 (3/16) for now. Drill press will...

Someone I went to school with came up with a neat theme for a collaboration brew.

I count seven Bearhawk models: Bearhawk Patrol LSA Bravo Companion 5 Ultralight Bob and team are unstoppable.

These -4 rivets that link the rib, spar, skin and gusset are killing me. How did you guys get to these? If not for the gusset my squeezer could get at it but now it's 1/2 inches over my deepest yoke. Also near impossible to get a bucking bar in there. Anyone have a 3-1/2 or 4 inch yoke I can...

I highly recommend this tape measure. The edge lays flat against the material so works great for marking centrelines on spar webs and other things. https://www.homedepot.com/p/16-ft-Metric-Standard-Flat-Back-Measure-Tape-FC-PMS-F16/301963655

I accidentally found a great way to support the trailing edge material during the cleaning and etching process. I decided to prime then first before bending since the inside would be difficult to access after bending. But this means there is no flange at all on these nearly 9' strips, so they're...

For folks who are priming their trailing edges, are you priming them before bending? Based on the test samples I made, there won't be much access to get a gun or brush inside it if I bend it first.

Do the diagonal (flanged) edges the corner and hinge gussets on the Patrol ailerons have to meet at a point as shown in the plans? I accidentally made the small ends of my corner gussets too long, so now there is an offset where they meet. Does this matter? Will fabric catch or something? That...