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Aug 06, 2021, 08:06 PM
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Sorry for the delay but the envelope is finally done.

The overall shape is quite good and matches the diagrams of the actual blimp. The seams are obviously quite ugly, the next blimp that I do will be white so I can invert the seams.

the nose is very messy but luckily it will all be covered by a nose cap.

So far it has been holding air well and I will begin assembling the blimp's components to the envelope soon.
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Aug 06, 2021, 11:56 PM
Melbourne, Australia
Oooh - very nice. I love the gondola :-).

What's the final weight and volume? Any idea what the useful payload will be?
Sep 07, 2021, 02:31 PM
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The final weight of the envelope is 200 grams plus an extra 2 or 3 for the fill valve.

The envelope should hold 19cubic feet / 0.53 cubic meters.

The total lift is about 500 grams.

500g - 200g(envelope) - 25g(gondola) - 90g(electronics) - 60g(fins)= 125grams useful lift

I should have approximately 125 grams of useful lift, but it will likely be less by the time everything is assembled.
Sep 07, 2021, 03:48 PM
Go small or go home
ruzam's Avatar
Good job! It's hard to get the nose seams perfect on the first try, or the second or third
Sep 08, 2021, 12:10 AM
Melbourne, Australia
Good work :-) !!

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