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| edtherenderman | Scratch Built McDonnell XP-67 | Build | 08-Sep-20 08:12 |  | | Views : 407 | | Bottom |
| edtherenderman | Scratch Built McDonnell XP-67 | Build | 08-Sep-20 08:12 |  | | Views : 381 | | Been a while since I posted. Summer has kept me busy in other ways, but weather is starting to turn and getting back inside to build models. XP-67 fuse infill! What a chore. Just about every piece has to be sanded and shaped to fit. Lots of soaking and twisting to get the right contours. I also had to add several stringers between the main body and the engine nacelles, and the nacelles out to the wing base. It took about two weeks of evenings, full day Sunday and close to three sheets of 3/8” x 3” x 36” balsa to get it fully infilled. Lots of sanding and filling next. Then on to the wings, fin and horizontal stab. |
| edtherenderman | Scratch Built McDonnell XP-67 | Build | 24-Jul-20 08:25 |  | | Views : 414 | | Front view of the starboard nacelle. |
| edtherenderman | Scratch Built McDonnell XP-67 | Build | 24-Jul-20 08:24 |  | | Views : 357 | | Bottom view of the Port air intakes. |
| edtherenderman | Scratch Built McDonnell XP-67 | Build | 24-Jul-20 08:23 |  | | Views : 384 | | Fuse is mostly framed. I may still need to add some more stringers depending on how the infill goes. Note the cooling intakes on each side of the nacelles at the wing root. I modeled these in 3D and printed out on my FDM (Fused Deposition Modeling) printer. Not as high detail as I get with the DLP (Digital Light Processing) printing, but I don’t need the high resolution for this application. Plus, the FDM printer is using ABS plastic, which I can sand easily, and use acetone to smooth afterwards. |
| edtherenderman | Scratch Built McDonnell XP-67 | Build | 20-Jul-20 08:41 |  | | Views : 404 | | View of the Starboard side from the top. |
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| edtherenderman | Scratch Built McDonnell XP-67 | Build | 20-Jul-20 08:40 |  | | Views : 398 | | Now that the Hannover is complete, time to start something REALLY different; a McDonnell XP-67 MoonBat. This is not a very well-known aircraft. Only one example was completed and after flight tests, was found to not be significantly better than other aircraft at the time. Part of the problem was it was being used as a test bed for a new engine being developed by Continental. The engine didn’t develop the power expected, and the aircraft design had a lot of overheating problems. An example of trying to do too much at one time. Plus, the aircraft didn’t have the stability one would want in a gun platform, pilot visibility around the engines was poor and ground handling was difficult because the pilot couldn’t see the wingtips. BTW – if you like old, weird machines, try out the https://oldmachine press.com. I love this site! I found a plan for the aircraft on Oz. They are for a 60” R/C so I scaled them down to 1:24 which gave me a wingspan of 27.5 inches. I then converted them so that I could cut the parts on my 2D Laser etcher/cutter. It took a couple of evenings to convert the plans and about 4 hours to cut. I use almost an entire 6” x 36” sheet of 1/16” balsa. Over the 4th of July weekend, I started assembly. This picture is one side on the board. This is a pretty complex aircraft shape and I found that I needed to add a new former and a lot of stringers because trying to “skin” something at this scale will be more complex than the original 60” version. |
| edtherenderman | Aero-Werkes AW 11601 - Hannover CL IIIa | Build | 12-Jul-20 20:00 |  | | Views : 1090 | |
| edtherenderman | Aero-Werkes AW 11601 - Hannover CL IIIa | Build | 12-Jul-20 20:00 |  | | Views : 1123 | |
| edtherenderman | Aero-Werkes AW 11601 - Hannover CL IIIa | Build | 12-Jul-20 19:59 |  | | Views : 961 | |
| edtherenderman | Aero-Werkes AW 11601 - Hannover CL IIIa | Build | 12-Jul-20 19:59 |  | | Views : 936 | |
| edtherenderman | Aero-Werkes AW 11601 - Hannover CL IIIa | Build | 12-Jul-20 19:58 |  | | Views : 988 | |
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