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Does anyone out there have any experience with converting a UMX Radian to either a rocket glider or boost glider?

What town in Minnesota are you close to? Are the motors still available for sale?

Another way to bypass the problem of using motors with excessive delays would be to do what you've done with your designs. Putting the motor in the aft end of the glider negates the need for an ejection charge of any duration. I'm thinking at least some of what contributes to your success is...

Yes, it's an interesting technical challenge to try to figure out how to use an altimeter to detach a glider. That should have been intuitively obvious to all but the most casual observer...

There are folks out there like me who have a large number of B6-6 and C6-7 motors which are currently useless for boost gliders. This sounds like a way to make these motors useful to guys like me who love the things with wings.

For those of you who remember FSI wadding, I recently came across some in an estate sale and really like it. Would anyone know of a commercially available version of it? It was a thin fibrous material that really works well since it tends to stay in the rocket after ejection and can be used...

I'd like to buy the motors. I'm new to the forum. How do I contact you to do the deal?