Alpha 3D Model Rocket
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This is my tribute to a classic Estes kit. The Estes Alpha III was one of the first rocket kits I built as a kid.…
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Model information
- Source
- Printables
- Category
- Vehicles
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
This is my tribute to a classic Estes kit. The Estes Alpha III was one of the first rocket kits I built as a kid. While this isn't an exact copy of that kit, it is quite similar appearance.
You can either print just the nose cone and fin canister and use standard BT-50 body tube (6" long) or you can print the body tube model using 'vase mode' (single wall spiral w/ no top or bottom).
You can use either ABS or PETG for printing. I used ESun PETG translucent orange for my 'full print' version. For ABS I've found the FoxSmart ABS to be a good and cost effective filament. The version built with a standard body tube has red FoxSmart ABS for nose cone and fin canister. The 'thick' version of the fin canister has slightly thicker fins for more durability.
Try an A8-3 for first flight, B6-4 for second flight.
Launch video: https://youtu.be/lyxZVnFooGs
Since this is a scratch built rocket, always perform a swing test of the fully prepped rocket before flying. Add weight to nose (clay) until swing test is successful. See: https://www.youtube.com/watch?v=AhS5fT_EE6M
Print Settings
Printer Brand:
Prusa
Printer:
i3 MK2S
Rafts:
No
Supports:
No
Resolution:
0.2mm layers
Infill:
50%
Notes:
Print fin canister w/ fins pointed up. Use a brim if you are concerned with bed adhesion. I used a 5mm brim when printing ABS. I also found that for ABS, I had best results printing multiple objects in one job, since this gives the ABS a bit of time to cool without need of the fan.
Category: Vehicles