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RE: Boomerang Torus CG modification - 11/15/2011 3:42 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		SO in my other Torus (stock fuse length) I was at the rear of the front spar for CG
what are you guys using? 

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RE: Boomerang Torus CG modification - 11/17/2011 2:31 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		Final Final balance. I moved some internal stuff
farther forward, completed the wiring for the 2 rx batteries
and fitted the top cover in place. (required removing material
where the turbine is)
I chose to balance at the rear surface of the front spar
since that is where my other one was!
Pics show how I do this by placing an ALU bar
under the wing spars. The bars have a machined
channel so they lock onto the bottom of the spars and
the lift point is established using string looped through holes
in the bar right at the aft end of the front wing spars..
simple and effective. The front balance weight is now
down to 1.5 oz!   makes me happy!!!

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RE: Boomerang Torus CG modification - 11/17/2011 2:37 PM   
geh3



Posts: 1316
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Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		I'm not sure when the maiden will be but perhaps this weekend
should be AWSOME!!!

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RE: Boomerang Torus CG modification - 11/17/2011 5:16 PM   
PaulD



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From: CoquitlamBC, CANADA
Status: online
quote:

ORIGINAL: geh3

SO in my other Torus (stock fuse length) I was at the rear of the front spar for CG
what are you guys using? 


That's where I'm at - you're in good shape.

PaulD


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RE: Boomerang Torus CG modification - 11/17/2011 6:55 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		Thanks...

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RE: Boomerang Torus CG modification - 11/18/2011 7:54 PM   
FMRR


 

Posts: 299
Joined: 8/22/2008
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From: Marietta, GA, USA
Status: offline
quote:

ORIGINAL: geh3

I'm not sure when the maiden will be but perhaps this weekend
should be AWSOME!!!


You done a great job and wish the best on your maiden.I been jumping in and out taken a peak what's going on.Work,home improvements and a new work shop have been keeping me away.Wish I had more time but getting there.
geh3 your a great guy and help to all,again good luck with the maiden.I know already it will go well for you. or should I say "go break a leg"lol.

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RE: Boomerang Torus CG modification - 11/18/2011 8:02 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		Thanks, the boomers are all good fun planes, the Torus
really looks cool with the wingtips installed and it takes off and lands like a dream!
I have more complicated planes with full gear doors, smoke systems, and more scale like
appearance BUT I always gravitate back to this one for just fun, relaxing flying
I tried to post some good info here so anyone else can duplicate what I did
it only added a week or so to the "build"!!!!!
If I can I will post a video of this maiden...


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RE: Boomerang Torus CG modification - 11/20/2011 10:16 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		SUCCESS I maidened it today... there is a definite difference between this plane and
my previous one. It seems to turn and roll better and it definetly climbs better!
Video to post soon...

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RE: Boomerang Torus CG modification - 11/20/2011 10:21 PM   
figueroa



Posts: 1239
Joined: 1/22/2002
Last Login: 5/18/2013
From: Punta Gorda, FL, USA
Status: offline 		Congratulations on your maiden.
I had no doubt that it would fly well.
Thanks for all the photos and building tips.
I can't wait to maiden mine.
Jose

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RE: Boomerang Torus CG modification - 11/21/2011 12:52 AM   
PaulD



Posts: 1097
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Last Login: 5/17/2013
From: CoquitlamBC, CANADA
Status: online 		Well done and congrats.

Thanks for an interesting read.

PaulD


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RE: Boomerang Torus CG modification - 11/21/2011 12:58 AM   
trioval00


 

Posts: 2334
Joined: 7/4/2002
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From: wilkes barre, PA, USA
Status: offline 		Congrats on a great flight. it took off and flew great, hope you post the video I shot of it.....


Mark

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RE: Boomerang Torus CG modification - 11/21/2011 12:33 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		The video will post in an hour or so from now...
making it now on my PC...

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RE: Boomerang Torus CG modification - 11/21/2011 2:52 PM   
hippo-1216


 

Posts: 74
Joined: 2/5/2006
Last Login: 5/18/2013
From: longvally, NJ, USA
Status: offline 		Congrats on the maiden looking forward to the video

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RE: Boomerang Torus CG modification - 11/21/2011 4:32 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		Maiden here>>> http://www.youtube.com/watch?v=mBRpamUhtXA

The plane flys GREAT

Next video I will:
1. Takeoff without wheel brakes on!
2. Have NO flameouts
    and
3. Feature a super slow landing...

Stay Tuned!!!

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RE: Boomerang Torus CG modification - 11/22/2011 5:05 AM   
FMRR


 

Posts: 299
Joined: 8/22/2008
Last Login: 5/18/2013
From: Marietta, GA, USA
Status: offline 		geh3,jet looks great,flys great,great job,nice video....the little bloopers chalk up to first flight jitters lol......Man I did not want to get envolved with my XL with mods,just wanted to do a quick build and go have some fun.But your jet looks great with that 3'' plug insert...how would you think the XL would look?

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RE: Boomerang Torus CG modification - 11/22/2011 12:35 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		Well it would look great and be easier to balance however I don't remember needing any lots of extra weight up front in my XL
but I did have to stuff all of my batteries up there. On my XL, the nose was not removable so I had to make a hatch. Anyway
it will fly great unstretched or stretched.

** the thing about the XL is that is has a LOT of wing area
SO a little or a lot of weight up front to balance does not significantly
hurt flight except perhaps for straight vertical climb with smaller turbines!!!

< Message edited by geh3 -- 11/22/2011 10:00 PM >

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RE: Boomerang Torus CG modification - 4/1/2012 10:31 PM   
geh3



Posts: 1316
Joined: 10/31/2003
Last Login: 5/18/2013
From: wilmington, DE, USA
Status: offline 		I flew today ... WOW I can take off and go straight up with "0" loss of speed
and the beast lands noticeably slower + takes off in less space
SO overall I am very happy with extending the fuse!!!

I will post a video when the weather gets better! The weather today was all cloudy
and misty so I had to be careful when zoom climbing...
BUT what a blast with a lighter plane...

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