Interchangacle altimeter bays

spence · May 14, 2018

I suspect the answer I will get...but here goes.....

I have just built a 4 inch diameter ebay for a cardboard sided rocket, i

I also have a 4 inch diameter fiberglass Rocket

Can i use the cardboard 4 inch ebay in the FG rocket? Do you know of anyone who has?

Steve Shannon · May 14, 2018

spence said:
I suspect the answer I will get...but here goes.....

I have just built a 4 inch diameter ebay for a cardboard sided rocket, i

I also have a 4 inch diameter fiberglass Rocket

Can i use the cardboard 4 inch ebay in the FG rocket? Do you know of anyone who has?

Maybe not; it depends on how much you intend to push the fiberglass rocket. Ive had rockets break at the coupler using even phenolic.
However, if you line the coupler with fiberglass or build a fiberglass avbay, you could use it in either provided the fit is good.

Thorfire · May 16, 2018

I went to using a 3D printed drill guide last year that would make swapping av bays a lot easier. I chose creating easily swapable sleds instead. 2 eggtimer quantum Wifi altimeters and an eggfinder TX GPS will fit in a 54mm coupler. No switches required!

Handeman · May 16, 2018

I thought you were going to ask about swappable sleds. I started doing this. I've since went to one sled and one av-bay for each rocket. It costs more to buy the multiple altimeters, but it makes the flying so much easier.

Interchangacle altimeter bays

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