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Post  mitchg95 Tue Jan 24, 2012 7:52 pm

hello, i purchased a sig skyray control liner kit today at a local hobby shop for $12.95, i am almost done building it and i was thinking of converting it to 2 channel rc (elevater, rudder) i want to use my cox .049 golden bee. i am confused on how to set it up for rc, and also is this conversion even possible, any suggestions are greatly appreciated
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Post  Godsey3.0 Tue Jan 24, 2012 8:35 pm

The problem with this is size. Control Line planes have larger motors compared to rc. A r plane for a cox engine ranges around the 40" mark. For CL it is around 20". If you were to try and rc it it would be fast and squirly. Very hard to control. I would keep it as a Cl. I have one that was wrecked before we got it and we restored it and it flies great. Decent trainer. Little touch.

P.S. Ask Indra or BermanBeez about this. At one point they had a lengthy conversation on this about whether it would work. Both settled on that it will not work.
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Post  mitchg95 Tue Jan 24, 2012 8:42 pm

ok i think i will keep it as control line, i have never flown control line before, is the sky ray a good begginers plane
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Post  Godsey3.0 Tue Jan 24, 2012 8:59 pm

Yes. It is a little touchy. Try your first flight running rich. Do you have a handle and lines?
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Post  mitchg95 Tue Jan 24, 2012 9:09 pm

no i do not have a handle or lines
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Post  Godsey3.0 Tue Jan 24, 2012 9:19 pm

Ok. That will be the first things you need to get. Cox sells dacron that is nice. They also have handles. Black hawk models also sells a thing of dacron with a wood handle. Also good for the beginner. I may have a handle with lines I could send you. No guarantees though.
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Post  mitchg95 Tue Jan 24, 2012 9:25 pm

cool thanks for the suggestion godsey
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Post  Godsey3.0 Wed Feb 15, 2012 12:55 pm

Hey Mitch, found a handle with lines and connectors for you. Shoot me your address and I will get it sent out.
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Post  mitchg95 Wed Feb 15, 2012 1:06 pm

Godsey3.0 wrote:Hey Mitch, found a handle with lines and connectors for you. Shoot me your address and I will get it sent out.

cool thank you dude, do you need any nv's, ive got a few sets of them, i can send you a couple if you want
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Post  Godsey3.0 Wed Feb 15, 2012 1:07 pm

No thanks, I am good. Just PM me your address and I will get this handle sent out.
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Post  mitchg95 Wed Feb 15, 2012 1:08 pm

ok sounds good, i pm'd ya
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Post  nitroairplane Wed Feb 15, 2012 1:43 pm

RC on a skyray is just not going to happen without serious modification is just not going to happen.
The wing loading is far too great.
there is no airfoil to generate the lift it would need.
the tail moment is not enough.
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Post  Kim Wed Feb 15, 2012 2:03 pm

nitroairplane wrote:RC on a skyray is just not going to happen without serious modification is just not going to happen.
The wing loading is far too great.
there is no airfoil to generate the lift it would need.
the tail moment is not enough.

Yeah...there just ain't enough airplane there. The larger one might fair better, but it's still not designed for R/C and might end up being a still-born project. ( I know ALL ABOUT those! )
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Post  nitroairplane Wed Feb 15, 2012 2:16 pm

Yes as if I remember someone did convert a ringmaster to RC.
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Post  Ivanhoe Wed Feb 15, 2012 2:20 pm

nitroairplane wrote:Yes as if I remember someone did convert a ringmaster to RC.

Someone converted a NOBLER to r/c, and that's a .35 - .40 stunter, that doesn't mean that it's neccessarily a good idea!

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Post  nitroairplane Wed Feb 15, 2012 2:22 pm

Bet it was a but up and downish!
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Post  Kim Wed Feb 15, 2012 2:28 pm

It can be done. I enlarged the plans by 10% for this Veco/Dumas "Scout"...Joe Wagner's great 1/2A stunter. It flew OK, and I was doing it just to live out a dream I'd had, but it never REALLY became a friendly R/C plane. I flat-spun it into the ground when the coupled ailerons and rudder couldn't make it recover from an attempted lomchevac !!!!

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Last edited by Kim on Wed Feb 15, 2012 2:46 pm; edited 1 time in total
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Post  nitroairplane Wed Feb 15, 2012 2:33 pm

Kim wrote:It can be done. I enlarged the plans for this Veco/Dumas "Scout"...Joe Wagner's great 1/2A stunter. It flew OK, and I was doing just to live out a dream I'd had, but never REALLY became a friendly plane. I flat-spun it into the ground when the coupled ailerons and rudder couldn't make it recover from an attempted lomchevac !!!!

sig skyray rc conversion R_c_sc10

Sure looks good!
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Post  Kim Wed Feb 15, 2012 2:42 pm

Thanks Indra! I think Joe's Scout is one of the best-looking .049 stunters ever ! I may try this again at some point with the super-tiny radio stuff we have now.
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Post  nitroairplane Wed Feb 15, 2012 2:45 pm

Kim wrote:Thanks Indra! I think Joe's Scout is one of the best-looking .049 stunters ever ! I may try this again at some point with the super-tiny radio stuff we have now.
yes 2 things it looks like it needs to me but the camera angle may be exaggerating this.
It still appears a CL model.
I would do a longer fus with extended nose.
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Post  Kim Wed Feb 15, 2012 2:49 pm

Yeah, but that was the point...if I'd changed it much...then it wouldn't have still been my "Scout". Better just to stick a bellcrank in the rascal, and hook some strings to it.
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Post  Godsey3.0 Wed Feb 15, 2012 2:57 pm

I had read something on rcgroups where a guy had converted his PT-19 RTF plastic CL model into RC. He said it was very fast till it ran out of fuel, then it just fell.
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Post  microflitedude Wed Feb 15, 2012 3:01 pm

Godsey3.0 wrote:I had read something on rcgroups where a guy had converted his PT-19 RTF plastic CL model into RC. He said it was very fast till it ran out of fuel, then it just fell.

That sounds right.
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Post  nitroairplane Wed Feb 15, 2012 3:03 pm

Who in the hell was that!
That is a crazy thing to do lol considering how they flew as CL models!
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Post  Godsey3.0 Wed Feb 15, 2012 3:04 pm

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