Great Planes Siren Hotliner ARF Review - Page 81 - RC Groups
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Dec 24, 2011, 09:18 AM
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Can anyone help me find the specs on the Aveox 2726/1.5. I have looked on website and many other places but cannot find kv rating or max watts.

Thank you,

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Jan 06, 2012, 07:19 AM
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Hello everybody! I am fixing my siren and I have the front break. Could somebody tell me about the measures (mm) from out air of motor to the front. Thank,s

Last edited by Antonio Cabrera; Jan 06, 2012 at 07:25 AM.
Jan 11, 2012, 10:22 PM
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lOOKING FOR A GOOD direct drive motor for my siren on 3s

Looking for a 3s motor direct drive for my siren. On a budget......
I also have a 14x8 cam folding prop.
Jan 17, 2012, 09:29 PM
Registered User
Just got motor set up for Siren. Motor Ammo 28-45-2700 with Inline planetary gearbox 4.3:1 and 4s lipo battery. When bench testing motor temperature goes up over 170f. Is that normal for motor running at 2.5 amp with no prop?
Jan 19, 2012, 07:14 AM
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Andy W's Avatar
What do you mean by 'bench testing'?

Running a motor for longer than a few seconds to validate that it is running within operating limits is a bad idea. What is the current draw when it is running?
Jan 27, 2012, 12:51 PM
Andy, quick update. I now have about 50 flights on the Siren....flawless. I had the NEO 15-790 motor with an 13X10 prop pulling 42 amps on 3S and she was great. The wires were close to the motor and although it was probably not a problem (I had 30 flights with it) I decided to keep that motor for another project. So, I put the direct drive MVVS 4.6/840 Sport motor in (the wires come out the back of motor) and well...there is a reason these motors are a little "Pricey". Outrunner in a closed can. The performance on 3S with a 13X10 prop pulling 44 amps is outstanding. Of course you can go 4S with a 12X6 prop and go nuts....but this plane is perfectly setup with this motor and a 2650TP 45C 3S lipo with a 60amp ESC. It fits perfectly in the fuse as well. I have 22 planes and always bring 4 or 5 to the field. The Siren is ALWAYS with me. My buddy has an "Enigma" from Top models and runs it on 5S....OMG!! However, he agrees the Siren is 10 stars for what it is designed for and loves this setup. Many guys love to watch me fly her and are amazed how slow I can land her.
If not for your thorough review, I would not have this bird.
Jan 27, 2012, 07:08 PM
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Andy W's Avatar
Now imagine putting twice as much power into that sme prop..

Oh, you will.. You will.. (emporer palpatine voice)
Jan 28, 2012, 02:02 AM
You're already know my character .... But I would like to keep her on this setup and get an Enigma for hotlining on 4 and 5S. It is insane to watch the 3 second bursts up like a rocket. I am very impressed with the Enigma. It really maintains energy well. She slows down nice since she has flaps or Crow, and the use of Camber and Reflex is interesting.
Jan 28, 2012, 07:37 AM
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Andy W's Avatar
Yes, that would be a better approach.

As I fly so little, my Siren is a nice 'warm up' if I plan to fly other high performance models. It's good that this little model can handle the power if you know how to keep it smooth, but of course it is still a warmliner.
Jan 29, 2012, 12:27 AM
That is exactly what my buddies at the club is a perfect warmup plane, and I agree.

You need to come to GMA in ball ground. Let me know if you ever want to and you can fly as my guest (if not already a member). A bunch of my buddies fly hotliners and warmliners....amongst other things. I got a couple of 2M powered gliders....kinda relaxing and fun. I never thought I could get into these after flying gas warbirds over the years....but I am hooked on powered gliders and hotliners now. Going to a 3M powered glider soon. We could fly the Sirens in formation, although you would be waiting on me with your hotter setup
Last edited by warwickcorvette1; Jan 29, 2012 at 12:33 AM.
Jan 29, 2012, 07:49 AM
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Andy W's Avatar
I've been up to GMA many time, my friend Ric is a member there. I don't fly much these days though. I'd rather be out riding!
Jan 29, 2012, 11:24 PM
And the weather has been nice for riding.......ride safe my friend.

Feb 02, 2012, 03:30 AM
Registered User
Hi All,
Thought I'd repost my setup from page 75, #1118.
This is my setup, (compiled from this thread). It works really well for learning to fly a Hotliner.
If you want more power, go to another plane that can handle it, (A HOTLINER),why trash this plane.
I really like this plane.
Motor: Turnigy C3548-1100 outrunner, wires fit fine inside fuse, no glue or heatshrink.
ESC: Turnigy Plush-60
Prop: Aeronaut Cam-C 13x8
Spinner: BB MODEL DKT4040 Turbospinner
Batt: Zippy Flightmax 3000 3S1P 20C
Reciever: Spektrum AR6255, antennas through fuse. per inst., so far NO signal losses detected in 20 flights. NOW ABOUT 100!
Aileron Servos: HS-81
Elev Servo: HS-65MG
TX: DX7 w/spoilerons programmed.
AUW: 40oz.
51 amp., 520w. Static.
Climbs straight up. 3-5 seconds is my comfort height.
10 min. of warmliner flying uses 900ma
10 min. of beginner hotliner flying uses 1500ma
Nothing gets hot.
25 min. of thermal hunting used 1200ma
Only thing added was a GWS aluminum outrunner motor mount epoxied to the front ply mount. See picture post#1118.
Filed screw heads for spinner back to clear.
Opened wing saddle .25in, to fit batt. in.
I really like this plane.
It could use more weight to retain energy/speed, but Iím not there yet. Iíll add the second 3000,(8oz.), to the CG when I feel comfortable.
It covers lots of airspace just hunting for thermals w/o power.
It thermals well in medium lift, just crank it over to 30 degrees and try to keep it in the lift.
Did I say I really like this plane???
Good flying,
GLUE THE INSIDE OF THE FIREWALL!!!!!!!!!!!!!!!!!!!!!!!
Feb 02, 2012, 08:29 AM
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nate 1001's Avatar
A lot of people say putting more power in this plane will trash it. It seems to handle it just fine. I took the stock firewall out and put a fiberglass and plywood sandwich piece in and also pinned it. For power I am using is a HYPERION ZS3025 6 TURN 1287KV with a 14.5 x 14 rfm prop, 3 cell 4200, and Phoenix 125. I had to notch the side of the plane for the wires. I can't measure the draw but there was someone else using the same setup and they said almost 2000watts. Makes it climb very good.
Feb 03, 2012, 07:32 AM
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Andy W's Avatar
Your LiPo puts out 200A? Nice..

The stock firewall breaks easily so installing a better one correctly will allow the fuselage to carry much more power than they recommend. If the wings are assembled correctly, and good servos with tight linkages installed on all control surfaces, the model can handle the power just fine.

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