[NSRCA-discussion] Foamy for pattern practice

[Adam Glatt]

Colin, can you provide a link to information on your motor?

The Kokam 340 cell doesn't put out reasonable voltage at 5A.  You will 
see a huge power increase by going with Thunder Power Pro Lite 480 (3s 
pack is 34g) (etec also makes a cheaper 450 that is similar in performance).

Kokam 340 performance here: 
http://www.rcgroups.com/forums/attachment.php?attachmentid=382174
TP PL 480 performance here:
http://www.rcgroups.com/forums/showthread.php?t=417099

-Adam

colin chariandy wrote:
> I did'nt check the auw...don't have an accurate scale. I'm using the 
> e-flite 380 outrunner, Futaba micro receiver, 3108 servos, e-flite 
> 20amp esc. Nothing is as light as what you have used, so I'm sure it's 
> more than 7-8oz with the 500mAhr pack.
>  
> I had the cg back to 62mm and there was still alot of pull in KE.
>  
> I guess I'll just keep moving the cg back until I get to close to neutral.
>  
> Colin.
>
> */John Pavlick <jpavlick at idseng.com>/* wrote:
>
>     What motor are you using? Here's my setup: AXI 2204/54, APC 8x3.8
>     S.F., T.P. 3S 480's, Berg Micro 4 (the old one - pre Castle),
>     Castle Phoenix 10. RTF weight is 6.9 oz. and it's a good flie!
>     r. I also fly it with T.P. 3s 730's. more punch and duration but
>     you can feel the weight (.5 oz!). I have the battery mounted on
>     the top of the fuse just ahead of the wing L.E. You can move the
>     C.G. back as desired but mine is pretty close to the rear limit
>     (60mm) and it flies OK. Needs a little push inverted, almost no
>     pitch couple in knife edge. I would say this is a good C.G. for
>     pattern stuff. For "3D" you might want to move it back some. I
>     tend to prefer slightly nose heavy airplanes so YMMV. I think you
>     might be right about the Kokam 340's. They're only good for about
>     6 Amps or less. Use the smallest (lightest) batteries you can get
>     away with though. I think the T.P. 480's weigh the same as the
>     Kokam 340's (thanks to Dave Lockhart for the tip!). How much does
>     yours weigh RTF?
>     John Pavlick
>     http://www.idseng.com <http://www.idseng.com/>
>      
>
>         -----Original Message-----
>         *From:* nsrca-discussion-bounces at lists.nsrca.org
>         [mailto:nsrca-discussion-bounces at lists.nsrca.org]*On Behalf Of
>         *colin chariandy
>         *Sent:* Sunday, January 08, 2006 3:39 PM
>         *To:* NSRCA Mailing List
>         *Subject:* RE: [NSRCA-discussion] Foamy for pattern practice
>
>         I finally got the F3A flying today ( no snow, no wind, no
>         rain). With a Kokam 3S 340 pack I am way short of power. I'll
>         try a 3S 500 next. Also, the aft cg limit in the manual (60mm
>         from LE) is still very nose heavy. What's the best cg position
>         for pattern?
>          
>         Thanks
>         Colin.
>
>         */colin chariandy <cchariandy at yahoo.ca>/* wrote:
>
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