Monday, March 1, 2010

How to make the perfect nozzle

PWR Engineering

Expect an update on the construction of the 38mm fiberglass rocket soon. Not much work yet because of an extremely tight fit on the slimline retainer - so far 1 mm or so sanded off of the ID and still no fit. Obviously it is made for phenolic airframes and is just way too small for fiberglass. Next time I may just take a dremel to it - sanding anodized aluminum is harder than expected!

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