Changing the cg helped quite a bit, and we continued to change it to get closer to acceptable cg during testing today. The tail now has functioning rudders (not available the first day). The rudders...
The 1/4 scale prototype has been completed and initial flight testing started. The pictures below are of the completed prototype being taken to our "secret test facility". We did not paint the...
The quarter scale model is coming together blazingly fast due to superhuman efforts of Joe Marine at Race Pro Engineering. He has been putting in 15 hour days+, and really working to make the...
The second 1/4 scale prototype is being madly worked upon to finish and fly prior to AirVenture at Oshkosh, Wisconsin. Pro-builder, Joe Marine, of Race Pro Engineering in California, is seen giving...
We are at the final stages of building the quarter-scale flying prototype. The propeller spinner is yet to come, as is a final coat of primer plus a little fillet work at the wing-to-body...
The 1/4 scale radio control model and wind tunnel model is making progress. The cnc (computer numerically controlled) machining has been accomplished, and the body, tail and wing shapes are ready...
The first radio controlled 1/4 scale model of the Switchblade is coming along nicely. Steering, suspension, and back-bone frame are completed and ready for the fiberglass skins that are being...
Ducted fan design has been accomplished, with results better than expected. A duct has many features that are beneficial, and some that are not. Of course, every propulsion system has both drawbacks...