Electric Weight: with or without batteries at US Nationals

[Adam Glatt]

We don't have an accurate scale at work, so the only figures I have are 
direct from Thunder Power's website:
http://thunderpower-batteries.com/html/batteries.html
showing 560 grams each.

-Adam

Richard Strickland wrote:

>Hey Adam,
>
>How much does a set weigh with any associated harness?
>
>Thanks,
>
>Richard
>----- Original Message -----
>From: "Adam Glatt" <adam.g at sasktel.net>
>To: <discussion at nsrca.org>
>Sent: Friday, June 10, 2005 9:02 AM
>Subject: Re: Electric Weight: with or without batteries at US Nationals
>
>
>  
>
>>Jim, the Thunder Power 5s4p 5300 pack is in stock with free courier
>>shipping at parts.rctoys.com .
>>
>>I'm using a 6.0v regulator (JR servos) with my 2s lipo receiver pack,
>>and used a mere 290mAh in 51 minutes of flight yesterday.  My fellow
>>team members are using Futaba servos with a 5.6v regulator, and seeing
>>50-60mAh per a 10 minute flight.  You can definitely cut receiver
>>battery weight.  My TP 2s730 weighs 31g.
>>
>>BTW, in Canada we changed our rules this year such that electric pattern
>>planes are weighed without the battery that powers the motor.
>>
>>If you want a killer deal on the 2s730 with a 5300 order, ask for me ;>
>>
>>-Adam
>>
>>Jim_Woodward at beaerospace.com wrote:
>>
>>    
>>
>>>RS - Although I have taken GREAT care with the airframe weight of the
>>>Impact, I have used a non-exotic equipment list, so I am at 11 lbs,
>>>4.5 oz with 6000 mah TP packs (2, 5S,3P).  I did not use aluminum
>>>wheel axles, nor replace the wheel pants, nor replace the heavy wing
>>>tube.  Also, I used the Futaba 9152 monster servo for the rudder.
>>> Also, I'm using the stock steel prop nut and spinner jam nut.  So, I
>>>used very standard equipment, and still came close to making the
>>>weight.  A quick solution is to purchase (if available), the 5300 mah
>>>packs, which in itself drops 4-5 oz I've heard.  Dropping even 5 oz
>>>may be possible just with some equipment changes.  The airframe really
>>>not going to get any lighter, except some more trimming of the chin
>>>cowl flanges.  I'm happy with the build and got close to the weight
>>>limit with a very standard equipment set.  Also, using the 2 cell
>>>Li-ion, 2200 mah battery.
>>>
>>>I've heard that they may change the electric weighing procedures such
>>>that the battery is removed at this years nats, but looking for
>>>confirmation before I spend a bunch more cash.
>>>
>>>Thanks,
>>>Jim
>>>
>>>James Woodward
>>>Program Manager
>>>B/E Aerospace Business Jet Group - Miami
>>>9100 N.W. 105th Circle
>>>Miami, FL 33178
>>>(305) 459-7155  Office
>>>(305) 459-7185  Fax
>>>(954) 319-0873  Cellular
>>>
>>>
>>>*"Richard Strickland" <richard.s at allied-callaway.com>*
>>>Sent by: discussion-request at nsrca.org
>>>
>>>06/10/2005 09:31 AM
>>>Please respond to
>>>discussion at nsrca.org
>>>
>>>
>>>
>>>To
>>><discussion at nsrca.org>
>>>cc
>>>
>>>Subject
>>>Re: Electric Weight: with or without batteries at UN Nationals
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>ALUMINUM servo screws?  Man, you must REALLY be close!?!
>>>
>>>RS
>>>----- Original Message -----
>>>*From:* _Jim_Woodward at beaerospace.com_
>>><mailto:Jim_Woodward at beaerospace.com>
>>>*To:* _discussion at nsrca.org_ <mailto:discussion at nsrca.org>
>>>*Sent:* Friday, June 10, 2005 7:56 AM
>>>*Subject:* Electric Weight: with or without batteries at UN Nationals
>>>
>>>
>>>Hi All,
>>>
>>>Does anyone happen to know what the weighing policy will be for
>>>electric planes at the nats (with or without batteries)?
>>>
>>>Also - does anyone know the source for aluminum servo screws?
>>>
>>>Thanks,
>>>Jim W.
>>>
>>>      
>>>
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>list.
>  
>
>
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