Airtronics Aquila 99" vs Sagitta 900   
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Airtronics Aquila 99" vs Sagitta 900 - 11/12/2009 11:21 PM   
choppercopper


 

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From: MelbourneVictoria, AUSTRALIA
Status: offline 		Airtronics Aquila 99" vs Sagitta 900

Two classic gliders from the 70's and 80's. Any thoughts on which is the better glider?

Both similar in size and look, but what about performance?


Cheers Roger

Melbourne Australia.

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RE: Airtronics Aquila 99 - 11/12/2009 11:35 PM   
FLYBOY



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From: Missoula, MT, USA
Status: offline 		They are both good. The Aquila is a little more of a floater, but you want to do a mod on the wing. If you build it, email me and we will talk about it.

The Sagitta is a little bit faster and a little more high performance, but won't go up in as light of lift as the aquila. It will take a bit more wind though. The center of the wing is not designed very well. If you build that one, you need to do a little work to beef up the center where the wing rod glues in or you will eventually tear the wing off on Launch. thats the way both of mine came apart. I still have a couple of Aquilas.

Depending on the performance you want, both are great planes.

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RE: Airtronics Aquila 99 - 11/12/2009 11:50 PM   
choppercopper


 

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Status: offline 		Thanks FB...
I have just purchased an original Aquila kit and will be building it soon. I also have just purchased a Sagitta but it is the original 600 kit not the 900. If it works out well i will blow up the plans to take them to 900 specs and build that too. I love the look of both models and I know the Aquila is a great flyer but I have never seen the Sagitta (600 or 900) fly. I was also curious about the Aquila Grande. What is the difference between the normal 99.9" Aquila and the grande?

Cheers Rog.

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RE: Airtronics Aquila 99 - 11/13/2009 12:20 AM   
soarrich



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quote:

ORIGINAL: choppercopper

I also have just purchased a Saggitta but it is the original 600 kit not the 900. If it works out well i will blow up the plans to take them to 900 specs and build that too.





The 900 came before the 600. The 600 is a 2M the 900 was a Standard class. I've never heard of anyone scaling it up to a 900. The only mods I say to do to either is get rid of the counter-balanced tail and put a little carbon in the boom just in front of the vertical fin.


quote:



I love the look of both models and I know the Aquila is a great flyer but I have never seen the Sagitta (600 or 900) fly.


The Aquila is a slower floater. The Saggitta had more range.



quote:



I was also curious about the Aquila Grande. What is the difference between the normal 99.9'' Aquila and the grande?

Cheers Rog.


The Grande had a longer fuse and wing. The airfoil had Philip's entry, and was a stronger wing. It was halve way between a Aquila and a Saggitta, not as good as either of the others.



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RE: Airtronics Aquila 99 - 11/13/2009 7:49 AM   
choppercopper


 

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Status: offline 		Guys...It appears a mod to the wing on both is required for hi start use.....can anyone detail the mod?

Cheers Rog.

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RE: Airtronics Aquila 99 - 11/13/2009 1:16 PM   
soarrich



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Status: offline 		Miine is stock, never had a problem. The only reason I remember them strengthing the wing box for was Dork landings.


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RE: Airtronics Aquila 99 - 11/23/2009 1:29 PM   
AMA-69405



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Status: offline 		In my experience, if the Aquila wing is built as designed, there are absolutely no problems using a high start. The 1970's Olympic II had the exact same wing box design; while flying in too much wind with a lot of ballast, I once bent the wing rod in my Oly II approximately 30 degrees on an overly zealous launch. The wing itself was undamaged. Sure looked weird on the way back down (and boy... was it coming DOWN!) with the outer wing sections literally closer to vertical than horizontal.

I currently own an Aquila I built in 1981 that has over 1200 high start launches behind it. I have flown it very recently in more wind than I should have (15 mph gusting to 25)... that 28-year-old stock wing will still shrug off a stout high start launch.

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RE: Airtronics Aquila 99 - 11/28/2009 1:21 AM   
Jack Womack


 

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Status: offline 		The Sagitta had a piece of wood that the wing tube went into. That should be wrapped with Kevlar tow, unwaxed dental floss, or something, to keep it from splitting. Sagitta 900 plans are available from RCM plans. This would be much better than trying to scale up the plans for the 600. The Sagitta is the better model and in the right hands, will thermal with any Aquila... I say this having had a 35+ year love of Aquilas...

Enjoy,

Jack Womack

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RE: Airtronics Aquila 99 - 12/5/2009 11:02 AM   
TexasThermalKing


 

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From: Angleton, TX, USA
Status: offline 		Ken Womack has it right, a little reinforcement goes a long way at the spar. It may not be on the plans, but new tricks help the old birds get it done.
If this is the same JACK WOMACK that flew at Soaring League Of North Texas, Placing 11 th overall for 2009 in Unlimited, and 3 rd overall in RES... well, listen and smile . You
have some good help.

I have a fondness for the Sagitta 900 going back 20+ years. I flew it in thermal duration contests and did well. I could ask it to go on out and look for lift , and was pleased, it
did a better job of finding it, than me back on the sticks. Ballasted up it lapped in distance, within 2 laps of a new fangled fully molded Muller Comet, it was a great day. I still
have the plane.
Go light on the tail when you build it...(always a good thing) mine needed 5 oz of lead in the nose, to balance out. But it really did ok, with 4 aa battery pack, standard servos, and standard reciever, flying in the often windy, muggy Texas Coastal flatlands. The Sagitta is a beauty in the air, and still my favorite keeper now that I'm down the road.

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