1/6/2024 0 Comments Catapult design ideas![]() ![]() Weighing the balsa models would give me an idea what weight I needed to approach when building from foam. I used two different thicknesses of balsa for the surfaces so I could compare weights and determine if the thinner balsa would be strong enough. With a couple of ideas in my head, I thought first I would build a couple of prototype models out a material I was more familiar with, balsa wood. The picture above shows a spliced wing on top of a container that was large enough. * Save those foam “to go” containers and you might find some that have flat surfaces large enough to cut an entire wing half from without splicing. Total weight was a little heavier than using craft glue but the plane flew fine. Be careful to just get enough glue on the joints and not make a mess of it. * I built one Foam Jet II entirely using a low-temp hot glue gun. It is possible to build entire plane with low-temp glue gun.įoam container large enough to build wing half. With the proper balance the plane flies very well. Just guessing at balance I cut a slot for the receiver in the cardboard area, I think it could be moved back to just past the cardboard in the foam only area. I installed a radio control system in a Foam Jet II that appears to be the radio used in the Aero Ace Jet plane. Another thought was to go about the design using a more scientific approach than my usual methods, I read about the Design Process on the Internet and thought I could use this as a basis for my approach.īe sure to watch my YouTube video, “ Fun with Foam Gliders” to learn more about the design of the Foam Jet II.įoam Jet II Flies well with Air Hogs radio control system. I thought maybe the inexpensive foam material could be used to build a plane that was more attractive than the FPG-9. The second idea came about by building the FPG-9 gliders (Foam Plate Glider 9 inches). The design of the Foam Jet II came together from a couple of ideas first I had purchased a couple of small ARF foam gliders at my local hobby shop.
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