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I've seen them both ways. But all the Cessnas and Beeches have them as you describe. I just went and looked real quick and even the King air has them "inverted" vs what you did. Here's a photo of a Bonanza cowl. Cessna 205 Cessna 180

Those that have a QB fuselage and installed float fittings(after the fact) and preferably have run floats, what, if any, reinforcements did you make to the rest of the air frame, specifically under the rear cargo door? I've seen a couple posts of upgrading tubing diameter/thickness for a couple...

That might be a bad way to term it, but the IA that lives accross from me that worked there, it's what he showed me and said what they used. It's basically the single wrap but with two wires, twisted. It's not in 43.13, but it has less play than a few of the approved methods.

Gary, this is on an RV but it shows how it should be set up. You can see the prop control is full in so that spot is where you want the arm. Then ccw rotation as you pull the control back.

Here's a really good example of how not to do it. All you can do is laugh. I've also seen that pictured, but with a cotter pin after the locking nut. It's like um.... I guess that won't fail, but how about no.

So I already dont like the fairings I made. They let a ton of air in, and I'm sure water. Has anyone made fairings that seal up the holes at the aileron cable and wing strut attach fitting that seals really well? Pictures? I'm thinking about maybe making it from fiberglass. Also I have the...

I was over at a prominent aircraft welding and parts store the other day and they had this in the bay. If I were staying on wheels I imagine I'd be doing something similar. I'm curious to see what the speed penalty is when they get it done.

Has anyone found a good place to mount an old fashioned non remote mount(EFIS) compass? I have two sitting around and they both have errors of no less than 30 degrees and up to 90 depending on the direction when anywhere near the panel. And there's nothing in my panel at the moment.

The Maule uses a modified USA-35B airfoil. The Model A uses a NACA 4412 The Model B has a Riblett 30-413.5 which I can't find a drawing of, but iirc it's based on the NACA 4412.

I'd just like to show why it's so important to know what you're doing. I'm in the middle of fixing an incredible mess from the previous builder. exhibit a My two options were cut the fabric off a good portion of the tail, grind all the paint off and properly weld all that in place or cut it...

Generally you don't mig 4130. TIG or oxy acetylene only. Mig needs to be pre heated, tig can use it to but puts a lot less heat into the material. Oxy is preferred. I probably would not consider a mig fuselage for anything but scrap.

What material (I think 2024/6061 will both work?) and thickness .032? are the cowling U channel supposed to be? I can't find it in the plans at all, and my kit is second hand and I appear to be missing these, if they are supplied or not. I see spruce sells u channel in .125 thickness.

So you can't use the factory horizontal oil filter housing with a 540 on a bearhawk because of firewall clearance issues. I'm not a big fan of the airwolf setup either. So something has to be done to move the filter's orientation or remote mount it, either casper labs or b&c and I know of no...

Curious if the bearhawk 4 place/patrol have an official type designation. This is like PA28 for Cherokees. It really only matters when filling an international(going to Canada) flight plan. In the US you file EXP-# depending on airspeed. My other airplane, a highlander, was HIGH.

Is anyone that is running a carb'd O-540 running an engine driven fuel pump with it? I guess that is, has anyone found the standard fuel system unable to deliver the gph required by a flow test? My doner engine came off a Comanche 250, a low wing and needed an engine driven and electric backup...

Is anyone on here running a whirlwind prop on their 540? What blades did you go with?