SpeedUp Update

Robert Steinke of SpeedUp has posted a new update, building a Mach breaker rocket

I’m starting on an extra little side project. I’m going to build a Mach-breaker rocket using the Cesaroni 29mm H410 Vmax motor. Here’s a picture of the basic layout.

I imagine the fist question I’m going to get is, “Why did you choose tube fins? Tube fins are high drag. Don’t you need low drag for a Mach-breaker?”

Well…it depends.

Read the full update here.

Worth a read for those interested in the physics of it all.


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