Slinger?

quailbird · Nov 05, 2009, 02:05 PM

Guys, I posted this in the flying wing section but so far no reply.
I need help! I bought a Slinger from Tower Hobbies and I added 5 1/2" of EBB between the wings. I have never worked with a flying wing before and I have the calculator but I'm unsure about the CG. Could someone help me find the CG. I hate to build something and then throw it only to have it smack hard and break something. Thanks for any help! I want to use it for AP.
Carl

Lomcevac · Nov 05, 2009, 02:41 PM

3/8" in front or the original CoG.

Throw it.......

Okay that was a guess.

quailbird · Nov 05, 2009, 02:44 PM

Thanks! I don't even have the original CG. I lost the paper work. OK, I found the original CG of 8"

Flipper_118 · Nov 05, 2009, 05:28 PM

I typically just run the orignal CG measurement. If you dont have a lifting body center pod I dont believe it would change the CG all that much. Worse come to worse make it a little nose heavy. You can usually fly a nose heavy wing...not the same can be said for a tail heavy wing.

I have found great success with this program (you can run it in english):

http://home.arcor.de/d_meissner/schwerp.htm

I use this to double check my CG measurements before flying. Its fairly simple to use you might just need to play around with it a bit.

Best of luck!

Curt

troynh · Nov 05, 2009, 06:47 PM

Quail,

I just picked one of these up as well. Haven't launched it though. I plan on running it as a winter plane.

-Tim

quailbird · Nov 05, 2009, 06:58 PM

Thanks guys! Several of the guys on the forum have let me know that since the block I put in was square the CG should stay the same. So I guess I'm good to go. I'll set everything up and give the ol' toss thing till it floats real nice. At least I won't break it right off. Once again, Thanks!

Nov 05, 2009, 02:05 PM	#1
quailbird Registered User Join Date: Nov 2003 Location: Rich Hill Missouri 64779 Posts: 5,643	Slinger? Guys, I posted this in the flying wing section but so far no reply. I need help! I bought a Slinger from Tower Hobbies and I added 5 1/2" of EBB between the wings. I have never worked with a flying wing before and I have the calculator but I'm unsure about the CG. Could someone help me find the CG. I hate to build something and then throw it only to have it smack hard and break something. Thanks for any help! I want to use it for AP. Carl

Nov 05, 2009, 02:44 PM	#3
quailbird Registered User Join Date: Nov 2003 Location: Rich Hill Missouri 64779 Posts: 5,643	Thanks! I don't even have the original CG. I lost the paper work. OK, I found the original CG of 8" Last edited by quailbird; Nov 05, 2009 at 02:53 PM.

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Nov 05, 2009, 02:41 PM	#2
Lomcevac Worn-out the seat of my pants Join Date: Dec 2006 Location: Dorset UK Posts: 237	3/8" in front or the original CoG. Throw it....... Okay that was a guess.

Nov 05, 2009, 05:28 PM	#4
Flipper_118 Flying on Flux Capacitors Join Date: Apr 2005 Location: Edmonton, AB Posts: 1,226	I typically just run the orignal CG measurement. If you dont have a lifting body center pod I dont believe it would change the CG all that much. Worse come to worse make it a little nose heavy. You can usually fly a nose heavy wing...not the same can be said for a tail heavy wing. I have found great success with this program (you can run it in english): http://home.arcor.de/d_meissner/schwerp.htm I use this to double check my CG measurements before flying. Its fairly simple to use you might just need to play around with it a bit. Best of luck! Curt

Nov 05, 2009, 06:47 PM	#5
troynh Hot glue & packing tape Join Date: Sep 2006 Location: Troy, NH Posts: 2,142	Quail, I just picked one of these up as well. Haven't launched it though. I plan on running it as a winter plane. -Tim

Nov 05, 2009, 06:58 PM	#6
quailbird Registered User Join Date: Nov 2003 Location: Rich Hill Missouri 64779 Posts: 5,643	Thanks guys! Several of the guys on the forum have let me know that since the block I put in was square the CG should stay the same. So I guess I'm good to go. I'll set everything up and give the ol' toss thing till it floats real nice. At least I won't break it right off. Once again, Thanks!