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Rocket Engine Motor Igniter Plug — image 1
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Rocket Engine Motor Igniter Plug

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Compare to Estes Magenta plugs for B and C Engines, or just scale up or down for other engines. 0.4g, 2 minutes, TPU

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Model information

Category
Outdoor Toys
License
Standard Digital File License

TPU for proper application to press fit securing igniter into nozzle.
This STL is scaled for C class motors, similar to the Magenta Estes plugs.  You can easily scale up or down for other sizes.

Print with flat down on plate as shown in TPU for proper press fit application.  95A works.
The flat serves as a convenient wire exit for your igniter.
Use 0.16mm Layers for smooth edges - you want a little roughness to grab the nozzle walls.
Print 1 until satisfied, then fill your plate.  Only 0.4g.

No Supports
No Brim

If you prefer not to print, just buy your plugs on Amazon
Plugs

If you prefer printing your entire rocket including the motor, these are great.


Launch


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