e-power
edbon85 at optonline.net
edbon85 at optonline.net
Thu Aug 7 09:50:54 AKDT 2003
Ok, have to ask. How many Americans does it take to charge an electric powered pattern plane in Poland ??? : )
Ed M.
----- Original Message -----
From: JOddino <JOddino at socal.rr.com>
Date: Thursday, August 7, 2003 12:45 pm
Subject: Re: e-power
> The one with the highest horsepower at a given speed will have a
> higher torque at that speed by definition. Electric motors tend
> to have a fairly linear curve (maximum torque at low rpm) of rpm
> vs. torque while IC engines flatten out ( lower torque) at low
> rpm. However, torque alone doesn't make the vehicle go. It is
> power that does that so you want to operate at maximum power when
> you really want to go, whether it is to go fast or to pull a big
> load vertical. In our cars we use a gear box and it sounds like
> Jason is doing the same using some type of speed reduction to get
> up on the power curve of the motor.
> Jim
> ----- Original Message -----
> From: Wayne Galligan
> To: discussion at nsrca.org
> Sent: Thursday, August 07, 2003 8:54 AM
> Subject: Re: e-power
>
>
> I agree with that thought but does an e-motor torque more or
> less then a comparable glow/gas engine?
>
> WAG
> ----- Original Message -----
> From: Keith Hoard
> To: discussion at nsrca.org
> Sent: Thursday, August 07, 2003 9:56 AM
> Subject: Re: e-power
>
>
> If the same prop is spinning at the same RPM. . . . . what
> does the airframe (or pilot) care??
>
>
> Keith L. Hoard
> Cordova, TN
> khoard at midsouth.rr.com
>
> A man in Arkansas spent 19 years in a coma before he finally
> regained consciousness.... The only other person from Arkansas
> that didn't know what was happening for 19 years was, of course,
> Hillary Clinton.
> - Jay Leno
>
>
> ----- Original Message -----
> From: Wayne Galligan
> To: discussion at nsrca.org
> Sent: Thursday, August 07, 2003 9:46 AM
> Subject: e-power
>
>
> I can only imagine that e-power= less vibration=longer
> equipment life=longer flight pack battery life=less
> cleanup=hmmmmmmm! starting to sound(ohh yah less noise) like the
> future of modeling power source.
>
> One more thing... what is the difference in torque between
> glow and e-power. How much p-factor is involved with e-power vs.
> glow/gas?
> Wayne G.
>
> ----- Original Message -----
> From: Mike McConville
> To: 'discussion at nsrca.org'
> Sent: Thursday, August 07, 2003 9:26 AM
> Subject: RE: Poland - electric
>
>
> I dont believe Jason has the prop stopping in stall turns
> or downlines. That
> video was a test flight, and no set-up had been dialed in yet.
> Seems to be the downlines would be one of the big
> advantaged of ep, as you
> could dial the motor RPM to whatever is optimum for
> breaking. A lot of cool
> stuff happening!
>
> m
>
> -----Original Message-----
> From: randy10926 at comcast.net [randy10926 at comcast.net]
> Sent: Thursday, August 07, 2003 9:22 AM
> To: discussion at nsrca.org
> Subject: Re: Poland - electric
>
>
> Watched the videos. Man they are great. Anyone know what
> a set-up like the
>
> one Jason is using costs and where to get the parts. That
> power without
> having
> to clean up after each flight and the end of the day.
>
> Randy
>
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