Electric Weight: with or without batteries at US Nationals

[MKMSG]

My 5300 pack weighs 19.7 oz.

Mike Moritko
----- Original Message ----- 
From: "Adam Glatt" <adam.g at sasktel.net>
To: <discussion at nsrca.org>
Sent: Friday, June 10, 2005 3:57 PM
Subject: Re: Electric Weight: with or without batteries at US Nationals


> 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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