Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old Jan 21, 2012, 01:16 PM
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Carbon fiber is our friend
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If that's how you have to land in F3J, I guess I'm glad I never got in to it!

That tail actually looked ok on Lary's plane.
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Old Jan 21, 2012, 01:21 PM
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Originally Posted by Steve C View Post
If that's how you have to land in F3J
It's not...

Tom
Old Jan 21, 2012, 02:54 PM
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If that's how you have to land in F3J, I guess I'm glad I never got in to it!
.
No - only me that lands that way...

But the point is that flapservos have a short lifetime in F3J models. Without servocovers and easy access to change servos you will have a problem with RDS.
F3B have 1m landing so you dont need to ping that nose to stop the model so much. In F3J we have to land inside 20cm radius (and TD even every inch) so heavy and big flaps will wear on the servos in time
Old Jan 21, 2012, 03:11 PM
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Understood, Jo-
Just was wondering since you said that the wing construction was similar to the Precision....
Obviously you were speaking more of layup and spar and joiner boxes...

R,
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Old Jan 21, 2012, 04:20 PM
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No - only me that lands that way...

But the point is that flapservos have a short lifetime in F3J models. Without servocovers and easy access to change servos you will have a problem with RDS.
F3B have 1m landing so you dont need to ping that nose to stop the model so much. In F3J we have to land inside 20cm radius (and TD even every inch) so heavy and big flaps will wear on the servos in time
Out landings in the distance task in F3B are why I prefer not to have my servos sealed in my F3B models. If a flap or aileron servo is stalled (stuck on something), it can be burned out before you get to the model. In my experience, I have seen more servos destroyed this way than on hard F3J landings.

FWIW
Tom
Old Jan 21, 2012, 04:25 PM
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F3B
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Yes I thought the same thing. Not done much f3b yet, but even so it's obvious you can land well over 150m away. Potentially while other flyers still have minutes of flying left.
Old Jan 21, 2012, 05:58 PM
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The things we do for a ribbon or a trophy..
Old Jan 21, 2012, 06:03 PM
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The things we do for a ribbon or a trophy..
Bragging rights. It is all about bragging rights.
Old Jan 21, 2012, 07:24 PM
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Understood, Jo-
Just was wondering since you said that the wing construction was similar to the Precision....
Obviously you were speaking more of layup and spar and joiner boxes...

R,
Target
Yes.
One thing that is good with RDS is that torsion stiffness of the wing is better since there is no servo openings. But that can be fixed with layup and endresult is not heavier. But if you cut openings in a Pike Precision (servofailure) you will have to reinforce the openings.
Old Jan 22, 2012, 10:58 AM
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Ronald - You are right, I was looking at the Precision. Despite Jojo's comments I think it would be beneficial to have RDS on any F3J plane. It is cleaner and brings mass inboard from the wing tips. If all the DLG guys use it, there must be something good about it.

George
Not all DLG guys use RDS.
With DLG, I see a trend steering back toward top driven wing servos if anything (Twister3 and Stoble the exceptions) , simplicity, weight savings and cost seem to be the issues mostly.
The new Pike looks nice for sure, whatever method they use to move the control surface will be a winner on that airframe, not sure it's going to make much difference other than in the price.

Eric
Old Jan 28, 2012, 03:05 AM
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Just watching....who's first in line for one??


So, any of the local guys have one yet so we can have a show and tell session soon? Anyone... Tom, Larry, Mike... anyone?
Old Jan 28, 2012, 01:27 PM
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I'm not certain that they are even in full production yet, are they?
Maybe Bob or JoJo can tells us when to expect them over here....

R,
Target
Old Jan 28, 2012, 02:53 PM
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So, any of the local guys have one yet so we can have a show and tell session soon? Anyone... Tom, Larry, Mike... anyone?
They are in development phase right now. But they produce some models as soon as possible for testing. I hope to get mine in mid february.
Old Jan 28, 2012, 04:33 PM
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I order a special F5J version with ST 40 and lighter spar. Probebly ready in may/june.
Old Jan 29, 2012, 01:11 AM
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UAV F3J EDF
Hi Jojo

I am expecting my Perfection soon and really looking forward to flying it. The weather down here is ideal for testing.

As soon as I can I will post some results, after I talk with Samba of course.

Cheers

David Hobby


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