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FuntanaS 3D 90 Service Notice

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FuntanaS 3D 90 Service Notice

Old 08-09-2004, 12:04 PM
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dsnyder
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Default FuntanaS 3D 90 Service Notice

Hangar 9 FuntanaS 3D 90 (HAN2675) Service Bulletin

The Hangar 9 FuntanaS 3D 90 has been designed for extreme 3D flight performance. It is a large model that is extremely lightweight and has large control surfaces. Because of the high performance nature of the FuntanaS, special precautions in the equipment choices, set up of the model, and flying technique are required to prevent damage to the model.

· Use of a larger than recommended engine can cause excessive weight and airspeed, which can result in structural failure.

· The large size of the “3D” control surfaces requires powerful servos. The servos used must be 50 ounce inch torque or greater. JR 811 or 9411 servos are recommended.

· It is necessary to seal the aileron and elevator hinge gaps to help reduce chances of flutter. Clear Ultracote (HANU887) works well for this.

· Proper mechanical advantage on all control surfaces linkages is extremely important. Use of longer servo arms or shorter control horns will reduce the mechanical advantage and servo power available to the control surface, which will cause flutter.

o The recommended servo arm length is 1” or less as measured from the center of the servo output shaft to linkage connection point. JR heavy-duty arms work well for JR servos, part number JRPA215.

o The distance out on the control horn from the control surface should be 13/16” or greater.

· The FuntanaS 3D .60-.90 is not designed for high-speed flight. Throttle management is critical in a model of this type. Do not perform high throttle dives. If the nose is pointed down, bring the throttle back. It is highly recommended that a large diameter, low-pitched propeller be used keep the speed of the model down. An APC 16x4W prop is recommended for the Saito 100 engine.

· The balance point as listed in the manual at 7 1/8” from behind the leading edge of the wing against the fuselage is a neutral CG point, and is the balance point for extreme 3D performance. For more stable flight performance, with reduced 3D ability, move the CG forward as desired.


If you have any further concerns, please contact our product support team for further assistance. You can call us at our toll free number at 877-504-0233 or email at [email protected].
Old 08-09-2004, 12:26 PM
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JoeAirPort
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Default RE: FuntanaS 3D 90 Service Notice

50 oz-in? I'd personally use more like 80-100 and use metal gear.

Nicely written and very good guidelines given.
Old 08-09-2004, 12:36 PM
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DTB
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Default RE: FuntanaS 3D 90 Service Notice

Thanks Danny, this is exactly what needs to be put in the manual or on the box itself on a big red sticker.

I agree, 50oz servos will work at the minimum, but will struggle to do it somewhat. If the above directions are followed then the 50oz should work, but the model will need to be operated at an even slower speed.

Good work,
DTB
Old 08-09-2004, 12:48 PM
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Vic3D
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Default RE: FuntanaS 3D 90 Service Notice

ORIGINAL: JoeAirPort

50 oz-in? I'd personally use more like 80-100 and use metal gear.

Nicely written and very good guidelines given.
I guess he refers for normall sport flying. But I agree, for 3D you need 80 oz+ servos.
Old 08-09-2004, 01:08 PM
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dsnyder
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Default RE: FuntanaS 3D 90 Service Notice

50 ounce inch is the minimum required torque for the model. Certainly higher torque will only help, but that is the minimum to fly the plane with.
Old 08-09-2004, 02:18 PM
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Default RE: FuntanaS 3D 90 Service Notice

I just order Hitec 425BB for mine and they put out 60 ounce of torque at 6v which is what I'm going to use for a battery. I shouldnt have a problem should I?
Old 08-09-2004, 03:30 PM
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Doug Cronkhite
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Default RE: FuntanaS 3D 90 Service Notice

So long as you setup with good mechanical advantage, seal the hinge lines, and don't fly it at warp speed you should be fine.

Basically.. following the instruction manual.
Old 08-09-2004, 04:30 PM
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evfast
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Default RE: FuntanaS 3D 90 Service Notice

Its a 3D plane! Follow the manual and you should be fine.
Old 08-09-2004, 04:53 PM
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drumbum
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Default RE: FuntanaS 3D 90 Service Notice

i have 425bbs on mine and about 20 flights no problem.. I also dont fly everywhere full throttle .. i usuially idle or 1/4 throttle to the next manuver
Old 08-09-2004, 06:08 PM
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daveopam
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Default RE: FuntanaS 3D 90 Service Notice

I can't speak for the .90 but on my .40 Funtana it's impossible to get full AILE deflection with short servo arms. Unless the rod is moved further in on the horn. So which is worse in your opinion. Longer arms or closer on the horn?

Great bulletin BTW Danny.

David
Old 08-09-2004, 06:30 PM
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ben flyn
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Default RE: FuntanaS 3D 90 Service Notice

I wonder what startsivs with his 3004 servos is going to say now?.......Oh I know, the plane is defective????
Old 08-09-2004, 07:55 PM
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Default RE: FuntanaS 3D 90 Service Notice

I'm using HS-5645MG (168oz @ 6.0V) digital servos all around except the throttle which will use a HS-85BB (49oz @ 6.0V). Hopefully this much overkill will do the job nicely.
Old 08-09-2004, 08:35 PM
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Default RE: FuntanaS 3D 90 Service Notice

ORIGINAL: DTB

I'm using HS-5645MG (168oz @ 6.0V) digital servos all around except the throttle which will use a HS-85BB (49oz @ 6.0V). Hopefully this much overkill will do the job nicely.
Smart. That's what I would use too.
Old 08-09-2004, 08:38 PM
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Default RE: FuntanaS 3D 90 Service Notice

ORIGINAL: daveopam

I can't speak for the .90 but on my .40 Funtana it's impossible to get full AILE deflection with short servo arms. Unless the rod is moved further in on the horn. So which is worse in your opinion. Longer arms or closer on the horn?

Great bulletin BTW Danny.

David
Totally different animal, that 40. You can buy the heavy duty Dubro servo arms (1.25 inches long) and get the deflections with the F40 and have no problems with 90 oz-in servos (I use S3010's). Try the same thing on the 90 and they will probably strip. There's a lot more load on the 90. 50% more weight and huge surfaces.

Don't want to piss anyone off here but after what happened to me on my 25% CAP recently, I would have to say that the setup caused the failures on the Funtana 90, not Hanger 9's design. Eventually I will get one and will use 150 oz-in servos setup properly. After what I've learned I bet there will be zero flutter (of course I will keep the speed down too). Also using large diameter props, the largest you can run on the engine, with the lowest possible pitch will keep the speed down with very little effort. Braking on down lines will be better too.

Joe
Old 08-09-2004, 09:09 PM
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Default RE: FuntanaS 3D 90 Service Notice

Its not defective, its DEFECTED remember??
Old 08-31-2004, 08:11 PM
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Default RE: FuntanaS 3D 90 Service Notice

8.5 pounds dry, saito 100, 3000 msl, 95 degrees f, YS 20/20..... NOT ENUFF POWER!!!! Hovers at 95% throttle. Harriers are solid with or without ailerons reflexed, until I try to maintain level flight path and 45 degrees AOA... then it wallows... reflex helps.
But this FuntanaS is a real cream puff... will fly very slow... High Rate rolls at about 2/sec!!! Servos in tail are not fast enuff to perform full aileron deflection rolling harriers.... I did this plane totally stock... needed 2 ounces in the nose... (Actually when I switch to an OS 108, it will balance OK!!) I got a FUTABA S9102 on each aileron and the rudder, and a FUTABA S3004 on each elevator. And a way cool pilot!!! Oh yeah... NO FLUTTER!!!! Surfaces seem to have about 1/16 inch of slop... (Or less).... what a Cream Puff.... move the CG forward, and reduce the throws and I would not hesitate to use this as a trainer!!! (6 volts.... the servos are OK!!)

http://www.rcuniverse.com/forum/upfi...27/If10935.jpg

lol

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