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Author Topic: Blast tube for Burdov's P30 Pirate  (Read 5045 times)
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« Reply #75 on: July 06, 2016, 08:11:16 PM »

Mike, I'm not sure how you managed to add 10 grams to your model (compared with mine)! What did you cover it with? Mine is covered in 1/4 mil mylar from Aerodyne.

My next one will use a Starlink Kevlar motor tube, but my own design flying surfaces. I will try very hard to come in at the 40 gram minimum weight.

Beats me Tony, heck.... maybe my scale is off but I doubt it. The viscous timer is only a gram so that's not it. As for the covering I use 1/2mil mylar on the wing and 1/4mil on the tail. The mylar came from Lee Campel who gets it from FAI Supply.

I suppose one good thing for me is that I don't have to add ballast to bring up to legal specs.

Good luck on your new design......happy thermals.
Is that with motors in them?
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