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[DPRG] autonomous flight
Subject: [DPRG] autonomous flight
From: dpa
dpa at io.isem.smu.edu
Date: Sun Apr 1 15:25:18 CDT 2007
Howdy
> 4/1/07, David M Wilson <davidmw at tx.rr.com> wrote:
>
> > But I was told the battery life was quite short and that the model doesn't have much lift
> > capacity for an upgraded battery. Maybe cycling multiple battery packs or
> > removing the body shell for more lift capacity would provide more
> > development flight time.
>
> I've removed the body shell from mine, but it doesn't weigh much. I
> did it mostly for improved cooling of the motors (which are right next
> to the temperature-sensitive gyro).
>
> The unmodified motors on the Blade CX get quite hot - I don't know if
> it's recommended swap battery packs and fly again before they cool
> down.
>
> Best,
> Jeff
I bought an optional heatsink that clips onto the two motors and seems
to help the cooling quite a bit.
I haven't seen the shaking that Jeff mentioned, but I'll watch for it.
I'm currently still flying with the "training wheels" arrangement, which
adds a few grams and still seems to fly fine. When I get brave enough to
take them off I'll run some tests and see how much payload it can lift.
WE need cpu, IMU, and power. That's more than a "few grams" ...
Main problem at this time is battery capacity. The batteries last about
10 minutes and take 2.5 hours to charge. I've got a pair, so I can fly
and practice for about 20 minutes evey 3 hours or so. I'm not sure how
anyone can really learn a skill in that short amount of time. Guess
I need some more batteries...
best,
dpa
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