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So, as I start to get serious about the cowl and finally start paying attention to the nose bowl I got with the kit, I see the flange is 14" in diameter...I need 13"...did I get a nose bowl for the BH 4?

Has anyone modeled an intake air scoop for the nose bowl? This is one of my goals for the Companion. I got two spools of PAHT-CF for Christmas and I'm imagining a nicely faired "ram" scoop interfaced with my horizontal intake manifold. Not that it would alter the speed of the plane, but it...

I'm thinking that the order of construction for finishing this area should be baffles, lower cowl and then upper cowl last...what say ye?

Boot cowl part deux...the new firewall was not identical to the old firewall of course, so that meant that everything I had fitted to the old firewall would no longer fit...so I had to build another boot cowl over the past two weeks...what a pain, but it's done and now onto the cowl, something I...

So, I have a "Bob Engine" and discovered that the dip stick has no markings on it. It's an IO-360. Yes, i can add oil a quart at a time and assume "full" means 8 qts or some thing like that...anyone else have this issue when buying from Bob? I might call Mike Meador and ask him, but I doubt they...

Now that I'm back in the saddle on the Bearhawk, I thought I'd bring things up to date. Last fall, I had to replace my firewall due to a collapse of the dolly I had the fuselage mounted to...I had repurposed part of the shipping crate and added heavy duty casters to it so I could keep the fuse...

I had the oil cooler plenum printed by Autotiv (through Craftcloud) in NH, using the SLS process with Nylon 12. Fits like a glove!

I thought I'd post the below link from Vans Airforce for 3D models for oil cooler plenums and fittings by hgerhardt. I printed the plenum for the 20006A cooler last night and it fits almost perfectly...I printed it with PETG which is not appropriate for a final installation, but just to prove...

Working on FWF mainly now that the panel is in. Seats from Daniel at Sport Aircraft Seats arrived and they look nice. I finally got to sit in the plane and test the fit. as well as the view over the nose and I'm happy. Daniel was great to work with and they did a great job. I'm spending a...

Finally took that engine out of the box and mounted it in its forever home. Actually the vintage of some of the components of this engine reminds me that parts of it have had other "forever homes" in the past...perhaps long past :)

I contacted Spruce and they say that the 7401-8 is a part of the 7402-16...I found another comment on the web indicating that this was true, so I'm prepared to move forward, but I just wanted to make sure that the isolators fit into the engine mount like the below. There's a lot of space around...

99% wired...1% when I get the wings mounted, etc. I have some more painting to do this week while the weather cooperates and then engine mounting, with FWF and cowling ahead throughout the winter. My plan, if you can call it that, is to emerge from the darkness and wetness of winter ready to...

Well, this isn't good. I received my J7402-16s today and they are 2.125" in diameter. They will have to be returned. From what I had read, this part number was compatible with the 2-5/8 in cup. They are way too small. Back to the drawing board, minus cash for this mistake

Beavering along on the Companion. I should have the panel, avionics done this weekend, at least as far as I can go before wing attachments and all that. We are having a nice stretch of weather here in West TN right now, so I took advantage to get some painting done. Using Stewart Systems and I...

I have a IO-360 built by Bob and am trying to ascertain which engine vibration isolators I need to buy. The engine mount has the 2-5/8" ID cups, and after reading everything I could find on this, it seems that I need the Lord J-7402-16 isolators...then there's discussion about the Lord J-7402-24...

Since I restarted the project, I thought I'd post a few photos of where I am. As a more or less retired person (small business owner and son taking over), I have time to work on it. When I paused the project, I was working on the avionics since I had access to everything I needed. That's where...

I want to prime my fuselage, but the weather is not conducive at all to say the least and having sprayed EkoPrime on the tail feathers inside my shop, I can say that will never happen again. The overspray goes everywhere and you can't blow it off. Big mistake. So now I'm thinking about brushing...

Before I took a week to prepare for Oshkosh, a week to go to Oshkosh and a week to recover from Oshkosh, I managed to get the Ekofill sprayed onto the fuselage. I'm very happy with how it went on. I made the mistake of brushing it onto the tail feathers which resulted in a thick coat that I now...

I ended up sandwiching an aluminum plate between the belly fabric and a heavy fabric doily. It ain't pretty but I'm happy with it

I am going with all metal under my doors all the way to the aft door former, so it's the aft attachments that bother me. See below, it's obvious why they bother me. That hole is what concerns me, not necessarily because I think it will come off since it's reinforced with heavy fabric and it's...