[NSRCA-discussion] Electric Brio Weight Savings

[AtwoodDon at aol.com]

Matt, my fuse was about 38 oz.  I finished the Brio without using any  carbon 
replacement components or light wheels, etc, and it came out at 11 lb 5  oz.  
I took out 3.5 oz just by going to carbon stab and wing tubes and  lighter 
wheels. I flew it at that weight (11 lb 1.5 oz)for a while until it  had an 
unfortunate glancing blow with Terra Firma which helped remove more  weight by 
breaking things off the plane  .  I fixed the fuse with  CA and 1 oz fiberglass 
cloth and ended up weight wise where I was before  the crash.  There is a lot 
of filler around the cheek cowls, edges of the  chin opening etc that broke off 
during the impact.  A nice thing about  electric is you don't have all that 
oil to worry about.  Either during  flying or during repairs.
 
I continued to fly it at that weight but there are several other things  
remaining to remove weight such as lighter battery, carbon gear, replace rudder  
(2 oz alone), shorter battery wires, etc.  By going to a lighter motor (I  am 
using a AXI F3A) and lighter batteries, it would be easy to take out another  
6-7 oz.  For classes below FAI, the mah usage is enough less to get away  with 
3700 or 4200 mah batteries.
 
That is why I said 'under 11 lbs easily'.  However, if you start off  with a 
heavier fuselage, it might be a lot harder......
 
Hope someone comes out with a new Brio kit.  It is a very nice flying  plane 
and I would build another, just not from the old Piedmont kits.
 
Don
 
 
 
 
In a message dated 11/17/2006 1:01:37 P.M. Pacific Standard Time,  
rcmaster199 at aol.com writes:

Don,
 
I have the glass version of the fuselage and mine weighs in at a hefty 41  
ozs. Even with me building all of the periferral  components (wings, stabs, 
etc.), I don't see how I could build the sucker  at less than 10 1/2 for glow 
powerplant.
 
Is there a lighter fuse out there that fellas are building into electric  and 
make weight?
 
MattK
 

-----Original Message-----
From:  AtwoodDon at aol.com
To: nsrca-discussion at lists.nsrca.org
Sent: Fri, 17 Nov  2006 3:01 PM
Subject: Re: [NSRCA-discussion] Electric Brio Weight  Savings


 
Scott, there are a couple threads about electric Brio builds.  I  built one 
myself, nice flying plane.  Can easily be built under 11 lbs  using TP5300s and 
AXI F3A, neither of which is the lightest alternative out  there.
 
I will look for the links on my home computer and forward to you if  someone 
else doesn't beat me to the punch.  I would also be happy to  share what I did 
if you want.
 
Don Atwood
 
In a message dated 11/17/2006 11:29:15 A.M. Pacific Standard Time,  
f3aflyer7 at gmail.com writes:

Does  anyone have any information or even pictures of how they started their  
electric Brio? I have mine on the table but am totally stumped on what to do  
first. Also, other than Don Szczur's write up on RCU, are there any other  
Brio build sites that happen to have something about building one electric.  


Thanks!

Scott  Pavlock


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