Heres the latest micro-maxx powered 2X down-scale added to my micro fleet. The Old Estes Astron SPRINT hp streamer model.
this downscale is overall 6.375" long, using a .448"(10.5mm) airframe and Pratt pnc-105 styrene nosecone. The shape is a bit off but make an acceptable sub. Drafting vellum was used for the .448 to 281" x .5" boattail. the models Ewt is 7.4g with a 1" x 10" red teflon streamer/wadding combination.
After finishing and decaling I flew the model with a micro size Pop-lug today on a MM-II motor to about 45feet. Great flight! straight as an arrow, sorry I missed the liftoff pic as usual hers the static just before lift-off
this downscale is overall 6.375" long, using a .448"(10.5mm) airframe and Pratt pnc-105 styrene nosecone. The shape is a bit off but make an acceptable sub. Drafting vellum was used for the .448 to 281" x .5" boattail. the models Ewt is 7.4g with a 1" x 10" red teflon streamer/wadding combination.
After finishing and decaling I flew the model with a micro size Pop-lug today on a MM-II motor to about 45feet. Great flight! straight as an arrow, sorry I missed the liftoff pic as usual hers the static just before lift-off