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United States Contribution the american puppy Paterson, New Jersey  No.185 +2 [Reply]

United States  No.216 +2 

>cookies
nice keylogger runit



United Kingdom Space Shit Thread the british lolcow Broadstairs, Kent  No.199 +2 [Reply]

In this ITT thread we circle wank about how enlightened by our own intelligence we are and post space videos in general

United Kingdom Rosen, Mikhael Broadstairs, Kent  No.207 +2 


Dice rollRolled 609_uu. Result: 609.



Australia engineediots the australian warehouse  No.181 +2 [Reply]

>Might be barking up the wrong tree with such a design idea. The question for viability is really how much weight do we save from carrying less batteries vs gain with the additional weight of the generator. I’m inclined to say that it wouldn’t be enough to justify additional design work
<Agreed (thumbsup)

Me respons:
As a ballpark for the kindof weight tradeoffs, you're looking at around 50g-100g for a small generator, and another 100g max for electronics (low rated 3 phase rectifier and a voltage regulator). Whats left is some kindof coupling system, probably friction or belt would be simplest and would come in under ~200g easily. I reckon we could do the whole thing in around 200g.
But lets take a bad case and say its 600g. That in battery life is 6 cells, so 5Ah @ 6s. So lets say we make that trade. Flight time between takeoff and search area is 30min.
To generate 5Ah across 30min would be a 10A load on the generator, which can be done with a tiny 30A motor and esc. That would cover all the battery power given up to maintain the same weight across the first leg of the flight. There's two legs.

Australia the australian rex  No.182 +2 

Nigga wHy yu inclined to say something u dont know shit about??

United States the american modi chaiwala (massive cuckold spotted) Pompano Beach, Florida  No.187 +2 

wtf is this thread?
xtian flight motor shit?



Czechia czech elagabalus Prague, Hlavni mesto Praha  No.176 +1 [Reply]



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