Assembled this morning, first cut at a MicroMaxx downscale of Estes' early 90s Hawkeye, one of my favorites as a kid.
A fairly faithful half-size adaptation from the scans in JimZ's repository and this well loved ~30 year old beauty preserved in a box in Mom & Dad's garage all this time. I guess my ~13 year old self found the small forward fins just a bit too fiddly to include...
Original is a ~220mm long BT5/~14mm design. This downscale is 114m long w/ motor and a T-MM/~7mm tube. Minor changes are the nosecone not being blunted, dorsal bar continues along the rudder, faux engines moved forward very slightly and body tube sized instead of being barely-perceptibly-smaller couplers, shock cord ties to the motor block instead of being punched through the wall, and the launch lug is duplicated and the pair moved up under the pelvic fins for symmetry and greebling rather than just having one hidden behind a rudder.
Rough mockup in OpenRocket looks good. Switching the fins to balsa rather than the comparatively heavy fiberboard of the original, along with a possibly percentage-wise heavier nosecone, shifts the loaded CG forward a good bit. Not sure it would actually matter, but a priori I was a bit concerned about the MMX version being overly tail heavy since the motor's such a big chunk of the weight.
Kind of rainy here today but hoping for a test flight this weekend.
A fairly faithful half-size adaptation from the scans in JimZ's repository and this well loved ~30 year old beauty preserved in a box in Mom & Dad's garage all this time. I guess my ~13 year old self found the small forward fins just a bit too fiddly to include...
Original is a ~220mm long BT5/~14mm design. This downscale is 114m long w/ motor and a T-MM/~7mm tube. Minor changes are the nosecone not being blunted, dorsal bar continues along the rudder, faux engines moved forward very slightly and body tube sized instead of being barely-perceptibly-smaller couplers, shock cord ties to the motor block instead of being punched through the wall, and the launch lug is duplicated and the pair moved up under the pelvic fins for symmetry and greebling rather than just having one hidden behind a rudder.
Rough mockup in OpenRocket looks good. Switching the fins to balsa rather than the comparatively heavy fiberboard of the original, along with a possibly percentage-wise heavier nosecone, shifts the loaded CG forward a good bit. Not sure it would actually matter, but a priori I was a bit concerned about the MMX version being overly tail heavy since the motor's such a big chunk of the weight.
Kind of rainy here today but hoping for a test flight this weekend.