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Forum: Glow to Electric Conversions

08-21-2003, 03:40 AM

Replies: 7

Speed 400 amps

Views: 1,314

Posted By Ted B-C

Speed 400 amps

I'm building a Herr Cub (48-inch, 1/2A version) to be electric powered. I have a Graupner 7.2V. speed 400, geared 2.1:1. Is this enough power? How many amps can this motor draw, with a reasonable...

Forum: Park Flyers & Backyard Flyers

05-31-2003, 03:11 PM

Replies: 3

motor cuts out

Views: 429

Posted By Ted B-C

motor cuts out

I think then that it must be the motor, since it's done it with different battery packs. It should be an exact replacement, since the shop cannibalized it from a Slow Stick kit. The first...

Forum: Park Flyers & Backyard Flyers

05-31-2003, 03:17 AM

Replies: 3

motor cuts out

Views: 429

Posted By Ted B-C

motor cuts out

After destroying the motor that came w/my Slow Stik (it doesn't like being run into stuff) I got a new one. It's cut out during flight several times, mostly at half-throttle, but sometimes at full...

Forum: Park Flyers & Backyard Flyers

05-22-2003, 04:12 AM

Replies: 2

prop for speed 400?

Views: 659

Posted By Ted B-C

prop for speed 400?

Thanx--my LHS seems pretty vague on the subject of props. I talked today to the guy who sold me the motor and prop, and he had no idea why I was using that prop. I guess he was overstocked w/ that...

Forum: Park Flyers & Backyard Flyers

05-20-2003, 11:38 PM

Replies: 2

prop for speed 400?

Views: 659

Posted By Ted B-C

prop for speed 400?

I've got a 7.2 v. Graupner speed 400, geared 2.33/1, which I plan to use in a 48" Herr Cub. I tried it out on my Slow Stick, thinking that it would haul on that lighter plane, but the performance is...

Forum: Park Flyers & Backyard Flyers

04-14-2003, 02:57 AM

Replies: 32

Slow stick; First flight

Views: 4,113

Posted By Ted B-C

SS CG

My SS seemed to want to be tail heavy no matter what I did. I built it w/ the servos as far forward as they would go, and stuck the Rx in front of the wing. I've finally moved the battery pack...

Forum: Park Flyers & Backyard Flyers

04-11-2003, 01:55 AM

Replies: 9

Firebird XL Mods and tips

Views: 1,121

Posted By Ted B-C

Firebird XL mods

One thing you definitely should do is to put a strip of tape (2" packing tape, duct tape, fibreglas stapping tape, etc.) wrapped around the trailing edge spanning the diameter of the prop, plus a...

Forum: Kit Building

03-27-2003, 01:38 AM

Replies: 1

Battery location, Herr Cub

Views: 788

Posted By Ted B-C

Battery location, Herr Cub

I'm building a 48" (1/2A) Herr Cub and using a Speed 400 motor. There are no instructions for doing an electric version, and I've never done one, so I could use some help.
The instructions call...

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