[NSRCA-discussion] Long - RE: Weight
Ron Van Putte
vanputte at cox.net
Thu Jun 4 13:09:11 AKDT 2009
Whoa! 300 watts per pound? I am currently flying a 10 lb 19.8 oz
(yeah!) E-Genesis with a Dualsky 6360-12T motor, which puts out 2450
watts. The power/weight ratio is 218 watts per pound and, even
though it doesn't seem lacking in power, it is on a weight reduction
program.
Ron
On Jun 4, 2009, at 3:35 PM, Chad Northeast wrote:
> Dave is spot on IMO.
>
> Also I think one important fact may have not received enough
> attention. That is that the current legal voltage limit on
> batteries in FAI is 42V. Increasing the weight and therefore
> required power of an electric model requires that you play within
> that rule. To generate the necessary static 300 W/lb that most
> current competitive F3A models demand today but at a new weight of
> say even 6 kg (13.2 lbs), using an optimistic value of 35V under
> load you are beyond 100A setups.
More information about the NSRCA-discussion
mailing list