Walnut Dime Scale Cook Up! - Page 21 - RC Groups
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Mar 13, 2005, 12:34 PM
Team 30 Micro EDF
Mike Taylor's Avatar
Pat is correct. That's why there are only two wires to the motor...
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Mar 13, 2005, 12:58 PM
Registered User
Dave Wulff's Avatar
Pat & Mike,

Thanks, thats what I thought. Has anybody followed the link to the AF site....a bit confusing.

Dave
Mar 13, 2005, 01:48 PM
Gravity is a harsh mistress.
Tim Wolff's Avatar
Yep they are listed with the brushless. AFAIK the Firefly speed controller is required, which really drives up the cost and creates confusion. I also think it is too heavy to be of much use in a Walnut Scale sized model.
Mar 13, 2005, 01:56 PM
Registered User
Dave Wulff's Avatar
Tim,

When I bought mine the JMP HF9 was the recommended esc, not by AF but by others here. If anyone knows if that is a bad choice I would be glad to hear about it as I have never used the motor. BTW, with the gearbox it is no lightweight.

Dave
Mar 13, 2005, 03:39 PM
Gravity is a harsh mistress.
Tim Wolff's Avatar
My understanding is that the Firefly needs a high frequency esc.

Here's a couple in flight shots of the Baby Ace captured from video.
Mar 13, 2005, 04:19 PM
Team 30 Micro EDF
Mike Taylor's Avatar
The FF does need a high freq ESC to keep from burning up the brushes, or so says Astro Bob. It is a little heavy for Walnut monoplanes, but should be fine in a bipe. That motor flies the larger and heavier Beech Staggerwing foamies with authority... As Dave says, the gearbox is an issue - it is heavier than the motor - but it is easy to mount...
Mar 13, 2005, 04:42 PM
Registered User
Dave Wulff's Avatar
Tim,

Really nice, I really like the second shot.

Dave
Mar 13, 2005, 05:04 PM
Registered User

Pt-1


Here are a couple of pictures of my 23 inch span PT-1 which is built from my own plans. The next step is to mount the wings and install the interplane struts.

Power is a DC5-2.4 motor with 5:1 gearing.
The propeller was supplied with the motor and gearbox.
GWS GWR-4P Receiver
Hitec HS-50 servos
Pixie-7P ESC
Kokam 145 mAh 7.4v
Azaar antenna
Fuselage is covered with Easy Built OD tissue.
Wings & tail surfaces are covered with yellow Esaki tissue.
Weight with all of above is 2.68 oz.
Mar 13, 2005, 07:06 PM
Registered User

Very Nice!


That is a very nice design - hope it performs well!

Joe
Mar 15, 2005, 05:21 AM
Albatros biplane addict
Tobi's Avatar
Very, very nice plane, indeed ...

How much down thrust/side thrust does the motor have?
Mar 15, 2005, 09:05 AM
Registered User

PT-1 down/side thrust


Tobi

Thanks.

Right now, the thrust line is 0-0. I think it needs about 3 degrees down and right and will be making that modification.

John
Mar 27, 2005, 10:38 PM
confused poet
HanksGB's Avatar
so, was this a contest. and if it was who won?
Henry
p.s. all of the planes are excellent
Mar 28, 2005, 09:41 AM
Registered User

Cook Up


Henry

I think it was just an invitation to show pictures of small size scale models.

John
Mar 28, 2005, 04:25 PM
Team 30 Micro EDF
Mike Taylor's Avatar
Actually, there was a contest portion aswell as the fun-and-games of building together. As stated on the first page, I decide who 'won' nad what they win... Even though it has gone beyond the dead-line, I am still hoping to see more than two flying models come out of this!

Builders! Anyone else got a flying picture of your model s built for this cook-up? If so, post them! The Natives are getting restless...
Mar 28, 2005, 04:37 PM
Registered User

Cook Up contest


Mike

Thanks for calling our attention to the rules back on the first page. Obviously, not only is my PT-1 too large, it also hasn't been flown yet. 18 inches, hmmm. I've enjoyed the thread anyway.

John


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