Looking for light servo extensions: ABBRA

[vicenterc at comcast.net]

Ron,

The plane already comes wiht carbon tube and landing gear.

Thanks,

Vince

-------------- Original message -------------- 

> 
> On Apr 8, 2005, at 1:30 PM, Keith Black wrote: 
> 
> > I agree with Chris. 
> > 
> > Other ideas (which you may already have done) to reduce weight for 
> > NATS: 
> > 
> > 1. Lightened back-plate on the spinner. 
> > 2. Remove wheel pants. 
> > 3. Smaller fuel tank 
> > 4. Lithium battery 
> > 5. Remove voltage regulator if you're using one with 5 cell battery. 
> > 6. Remove switch and plug in each time powering on RX (really need 
> > removable 
> > canopy for this). 
> 
> You can also save about 2 oz. by using a carbon fiber wing tube in lieu 
> of an aluminum one. 
> 
> Substituting an aluminum gear with a carbon fiber one saves weight 
> also. The amount of weight saved depends on the design and fabrication 
> of the carbon fiber gear.. 
> 
> Ron Van Putte 
> 
> > ----- Original Message ----- 
> > From: "Chris Moon" 
> > To: 
> > Sent: Friday, April 08, 2005 12:52 PM 
> > Subject: Re: Looking for light servo extensions: ABBRA 
> > 
> > 
> >> You can buy lighter gauge extensions, but with digital servos and long 
> >> runs, that might not be what you want to do as you will get a greater 
> >> voltage drop with the lighter wire when your servos are demanding 
> >> large 
> >> amounts of current. Personally, I would look somewhere else to save 
> >> weight. I just switched my DuBro light weight 3" wheels for the super 
> >> light ones (soft foam) and saved 1oz per wheel. Of course they won't 
> >> last as long, but it will help you will make weight. Also, you can 
> >> run 
> >> a smaller battery pack for competition. Last yr at the NATS I 
> >> switched 
> >> out my 1650nimh for a 650nimh and saved 2 oz. I charged for safety 
> >> between rounds, but since you usually have some time that's not a big 
> >> deal. I'm anxious to get a flight report as soon as it is in the air. 
> >> 
> >> Chris 
> >> 
> >> vicenterc at comcast.net wrote: 
> >> 
> >>> Hello all, 
> >>> 
> >>> I need suggestions to make servo extensions as light as possible. 
> >>> This 
> >>> is for the new ABBRA with gasoline engine and we have the servos in 
> >>> the back to better balance the plane. I think we can save some 
> >>> weight 
> >>> if we can get very light servo extensions. We are using 4 digital 
> >>> servos JR 3241 in the tail. One for each elevator and two pull-pull 
> >>> configuration for the rudder. The plane right now is about 6 oz over 
> >>> 11 pounds and we are looking for places to reduce the weight. 
> >>> 
> >>> Thanks, 
> >>> 
> >>> Vince 
> >> 
> >> 
> >> 
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