[NSRCA-discussion] New Judging tool....... ;)

[Ron Van Putte]

Yeah.  It will accelerate up at the same rate with the motor on as it  
will accelerate down if the motor stops.

Ron VP

On Jun 20, 2008, at 1:30 PM, rcmaster199 at aol.com wrote:

> Just in case some needed a more thorough explanation:
>
> Thrust to weight ratio is around 2. Newton taught us that F=MA.  
> Therefore, with a thust of around 10kg and a mass of around 5 kg,  
> that's how you get a ratio of 2 which is equivalent to the accel.  
> Accel should pretty sporty any way you look at it......
>
> MattK
>
> -----Original Message-----
> From: Chad Northeast <chadnortheast at shaw.ca>
> To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
> Sent: Thu, 19 Jun 2008 3:59 pm
> Subject: Re: [NSRCA-discussion] New Judging tool....... ;)
>
> Tim
>
> Eagle tree does this same thing with their micro logger.  I have  
> played
> with it a bit and its pretty amazing....you can see how straight you
> roll down the runway LOL :)
>
> Problem is with the wildly varying attitudes in pattern I routinely
> loose the satellite link, so I think I will end up needing two sensors
> mounted top and bottom of the fuse to make it work properly.
>
> I think once its all setup it will be a useful tool for evaluating
> geometry on things like a rolling circle which is not easy to see from
> a pilots perspective.
>
> The airspeed is rather revealing, the acceleration of these planes is
> remarkable, easily rocketing to 190 kph in only a few seconds.  Should
> take it to the drag strip LOL :)
>
> Chad
>
> ----- Original Message -----
> From: "Pascoe,Tim [Burlington]" <Tim.Pascoe at ec.gc.ca>
> Date: Thursday, June 19, 2008 12:17 pm
> Subject: [NSRCA-discussion] New Judging tool....... ;)
> To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
>
>> Or perhaps a way to practice without paying Union fees......
>>
>>
>>
>> http://www.magtechinc.net/SkyTraceGPS.htm
>>
>>
>>
>> Note the pretty Google Earth 3D maps, combined with flight data.
>>
>>
>>
>>
>>
>> Posted with tongue firmly inserted in cheek.....
>>
>>
>>
>> Tim Pascoe
>>
>>
>>
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