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Rookie

Old 10-25-2010, 05:56 PM
  #1  
Chris Moon
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I just thought I would give this a try. I have 4 of these Balsa Rookies (thats what we call them in DFW). I can't remember who is the original creator of this design, but basically it is a swept symmetrical wing. With a nitro engine on them, they can fly very fast.. and I don't believe that was the original intention. I decided to make a built up version out of foam. You can see the foamy next to the balsa version.

Wingspan 35"
Overall Airframe Length 36"
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Old 10-25-2010, 05:58 PM
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Chris Moon
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I am trying to make this a good Park Flyer type airframe. I don't really need the speed. I am thinking somewhere in the neighborhood of 15 oz AUW. Any motor suggestions?
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Old 10-25-2010, 05:59 PM
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Picture of the Balsa Version for comparison
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Old 10-26-2010, 03:06 AM
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gramps2361
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I am using a EMAX motor in a Tiger Moth which is about the same wgt. no speed demon but still has plenty of power to get into and out of trouble. I use a 20 AMP esc from hesdsup too. Nice little build you got going looks like it will be a fun one to fly.

http://www.headsuprc.com/servlet/the...ushless/Detail
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Old 10-26-2010, 04:41 AM
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The HK 2810-8T. 2 cells for puttin, 3 for get-up-and-go.
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Old 10-26-2010, 05:08 AM
  #6  
hillbillynamedpossum
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I use a heads up 2712-12 http://www.headsuprc.com/servlet/the...tor/Categories

on my 23" bipes (11 oz all up) and they got all the poot I need with a 2s1p. the same motor on my 8 oz zip-zip plane is lightning fast with a 2s1p. you cant go wrong with a $23 motor/esc combo....lets just say they will survive multiple yard dart landings!

Possum
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Old 10-26-2010, 06:52 AM
  #7  
starcad
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Originally Posted by Chris Moon View Post
I just thought I would give this a try. I have 4 of these Balsa Rookies (thats what we call them in DFW). I can't remember who is the original creator of this design, but basically it is a swept symmetrical wing. With a nitro engine on them, they can fly very fast.. and I don't believe that was the original intention. I decided to make a built up version out of foam. You can see the foamy next to the balsa version.

Wingspan 35"
Overall Airframe Length 36"
Hey Chris, nice looking Rookie. I believe the original was designed by Don Dewey of RCM fame back in '67 - '68. Yours seems smaller than the original in that I believe it had a wingspan of 54" and used a .19 for power. I may be wrong. I do remember building 2 one for myself and another for a friend. My brother took it to college in '69 and lost it on the football field after around 50 or so flights. Very nice flying plane. I'd look at something like a 2808-12 with 3s 2100 for power and I think you would have a true winner in your stable.
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Old 10-26-2010, 01:55 PM
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Chris Moon
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Got the ribs cut, and spars in.
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Old 10-26-2010, 01:56 PM
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I have already finished the sheeting on one side of the wing. If looks really good. I will try and get some pictures up later today. Thanks for all the compliments guys, I will definately keep you posted.
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Old 10-29-2010, 01:41 PM
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Finished the wing last night. Still have to install control surfaces and electronics. Trying to decide on a color scheme.
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Old 11-01-2010, 04:25 PM
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Almost done with electronics installation. Should be a maiden this week. I'll try to get some video of the flight
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Old 11-01-2010, 04:37 PM
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eliworm
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Looks good, we are watching.

Jim
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Old 11-08-2010, 04:04 PM
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Flew the new plane yesterday. First flight went flawless with the exception of it being a little tail heavy. It was fairly pitchy, but manageable. I was very impressed with the power setup that I went with. The airplane will accelerate vertically from my hand at a little less than 1/2 throttle. I moved the battery forward a little for the next flight, and it felt better. I eventually ended up adding 1/2oz of lead weight inside the nose... which I hate doing. I will get pictures up and try to get a video as well.
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Old 11-08-2010, 04:07 PM
  #14  
rcers
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Chris - next time skip the ribs and just use a spar. Works great on small stuff and is plenty strong.

Mike
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Old 11-08-2010, 04:12 PM
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Chris Moon
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Hey Mike!

Haven't talked to you in a while... I built this version to see how this airframe would fly. Needless to say I was fairly satisfied with its performance. It also turned out heavier than I wanted, but that is okay for the first version. The next version will be 100% depron. I hope to keep it around 15 oz AUW.

Thanks for the tip!

Chris
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Old 11-08-2010, 04:17 PM
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It has been a while...
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Old 11-11-2010, 03:43 PM
  #17  
Chris Moon
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Here is a short video of the plane flying..

[media]http://www.youtube.com/watch?v=IhOuSoLZX3w[/media]
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