The Boomerang Sprint Club - Page 3 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 10-04-2016, 06:45 PM   #21
stegl
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Re: The Boomerang Sprint Club


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Hi Ken : Good idea I think to strip everything out and start from scratch and do upgrades over the winter. I went with the Pro link electric retracts and electric brakes
and pretty happy with that. I also think that the Spring Air system would be borderline at best.
The underside of the H stab got foil tape and seems to fair well. Every once in a while I do a feel check for temp just after shutdown and when the turbine is doing the auto cool down.
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Old 10-04-2016, 06:57 PM   #22
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Re: The Boomerang Sprint Club

Does anyone know of a source of replacement plastic parts?

Servo covers, Wheel wells, Cockpit windshield, etc

Ken
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Old 10-04-2016, 07:26 PM   #23
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Re: The Boomerang Sprint Club

Altecare stocks the servo covers on this page;

http://www.altecare.com/accessories.htm

As for the rest, Peter can probably get them or get ahold of the new Boomerang jets guy in the us.

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Old 10-04-2016, 07:41 PM   #24
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Re: The Boomerang Sprint Club

Brent,

A little extra power you said... LOL.... A JC Rabit... You say... LOL. Howbout a Cheetah? I took the Cheetah out of my Hawk and it will be in my Sprint, so it should move along ok... LOL.
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Old 10-04-2016, 08:46 PM   #25
stegl
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Re: The Boomerang Sprint Club

You might get a little extra speed with more thrust and fuel burn but that is one draggy airframe.
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Old 10-04-2016, 09:07 PM   #26
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Re: The Boomerang Sprint Club

One of our guys has an ATJ140 in his, he got it up to 300kph... So not bad.. LOL. I am not looking for more speed, it's just far less expensive to use what I have then buying another turbine.

In terms of flight time and fuel burn it's not much more then other guys that have smaller turbines. With 30+lbs of thrust you can fly around at 1/3rd - 1/2 power and it still moves along pretty good.
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Old 10-05-2016, 08:39 PM   #27
Mike Anderson
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Re: The Boomerang Sprint Club

Quote:
Originally Posted by kpark View Post
I tried to remove the wing center section from the fuse - No go! its been glued together
That's what the build manual calls for so you're good.
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Old 10-05-2016, 08:51 PM   #28
Mike Anderson
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Re: The Boomerang Sprint Club

FYI, if you're a Facebooker I created the Boomerang Flyers group here: https://www.facebook.com/groups/1774401259496583/
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Old 10-06-2016, 09:36 AM   #29
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Re: The Boomerang Sprint Club

Hi Guys

Replaced the Y-harness for the Ailerons with 2 separate servo extensions so I require
2 RCVR channels to run the ailerons. Shrink wrap the connectors. Getting this done was fairly easy using copper phone wire to fish the wire through the wing/fuse going under the wing tube then pulling the wire
back with the extension connected to the wire.
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Old 10-06-2016, 09:47 AM   #30
stegl
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Re: The Boomerang Sprint Club

For fishing wire thru wings and things , I found that a fuel pickup with a string thru the centre and knotted with the pointed end , pointed down or direction of travel , worked well for me. Move the wing or what you are trying to " thread the needle" with , works.
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