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Old Aug 13, 2008, 02:46 PM
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Kangaman's Avatar
North Hollywood
Joined Jun 2006
256 Posts
Love it.

CG is 3.5 inches - correct

Paul
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Old Aug 13, 2008, 02:57 PM
Let slip the dogs of war!
Park_Flyer's Avatar
United States, VA, Virginia Beach
Joined Jun 2005
1,708 Posts
Quote:
Originally Posted by Kangaman
Anything I need to know before launch?
Give it a tiny bit pitch up trim, just in case the CG is a bit forward. If you have dual rates, set it up for around 60% for the launch, then turn it off once flying. A couple of times it porpoised a lot after launch - really twitchy.

I launch mine underhanded, grasping it between the "canopy" and CG, and tossing it slightly nose high, though you may want to see how Tomas launched his in his video above.

I have really high, 3D-like throw rates, with high expo set on channels 1 and 2, so I can fly it smoothly when I'm not doing tail slide loops, cobras, and tail stands - it is very responsive. You're going to love this airplane.

Ben
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Old Aug 13, 2008, 03:52 PM
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tomhe's Avatar
Linköping, Sweden
Joined Jan 2007
260 Posts
Quote:
Originally Posted by Kangaman
Anything I need to know before launch?
Here's a safe way to launch these kinds of planes:

Safe way to launch a pusher jet
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Old Aug 13, 2008, 03:53 PM
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Joined Oct 2004
446 Posts
Quote:
Originally Posted by frednjess
Then you can try to figure out how to wipe that stupid grin off your face.
That is the most difficult part of flying this plane for me!

I also usually launch mine with a click of up trim.

I think the cool thing about the thrust vectoring is that you instantly have control of plane. Normal parkjets with the motor on the back have to attain a little speed before the controls start working.
Adam
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Old Aug 15, 2008, 04:55 AM
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Joined Mar 2008
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Hello,


I've some videos on youtube.

Check this one...
F22 TOMHE depron rattrapé main (1 min 2 sec)
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Old Aug 15, 2008, 07:15 AM
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Ipoh, Perak Malaysia
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Nice video Telectroboy

chewy
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Old Aug 15, 2008, 04:40 PM
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Kangaman's Avatar
North Hollywood
Joined Jun 2006
256 Posts
Successful maiden - - F22 now has 5 flights on her.

Not as fast as I had expected - using a APC 6x4 - - tried a 7x4 - amps were too high (22) and it did not seem that much quicker.

She sure does float nice when landing.

Paul
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Old Aug 15, 2008, 04:47 PM
It should fly at least once
clive45's Avatar
Australia, NSW, Grenfell
Joined Mar 2006
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If you want more speed you need to go to a smaller prop not bigger. bigger will give you more vertical not speed. Try a 5 X 5
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Old Aug 15, 2008, 04:51 PM
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Kangaman's Avatar
North Hollywood
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really - - can you explain Why?

Paul
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Old Aug 15, 2008, 04:57 PM
It should fly at least once
clive45's Avatar
Australia, NSW, Grenfell
Joined Mar 2006
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Smaller prop revs quicker therefore more airspeed, bigger prop pushes more air but at slower speed, so the bigger prop is better for 3D and vertical pull/hover.

EDF's runn very high revs and small props to get good airspeed
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Old Aug 15, 2008, 05:00 PM
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Kangaman's Avatar
North Hollywood
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Thanks Clive - I have a 5x5 so I'll try that next time.


Paul
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Old Aug 15, 2008, 05:30 PM
It should fly at least once
clive45's Avatar
Australia, NSW, Grenfell
Joined Mar 2006
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Thats cool, hope it does what you want. Lets us know how it goes
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Old Aug 16, 2008, 11:57 AM
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I use a 7x6 prop with a 1500kv motor.

It's quite good between torque and speed.
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Old Aug 17, 2008, 03:05 PM
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Kangaman's Avatar
North Hollywood
Joined Jun 2006
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Ok - OK I am a dufas...!!!

This was my first time using a pusher setup.

Guess what - - I had the propeller facing the wrong way.

Now that all is correct - this girl boogies - - Love it.

Paul
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Old Aug 17, 2008, 04:43 PM
Pusher jets rule!
crxmanpat's Avatar
Mesa, AZ
Joined Jan 2006
17,187 Posts
"Numbers face forwards", works for all applications both tractor and pusher.

Glad you got it sorted. And yes, these planes do boogy.

Pat
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