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RE: Getting a R50v2 - 6/14/2005 1:22 AM   
Tomi


 

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Status: offline 		my curve is now at 100-90-65-90-100 I need to bring it down to 100-90-57-90-100. 0 pitch speed is too high. Hopefully I can work on this today.

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RE: Getting a R50v2 - 6/14/2005 1:28 AM   
WhtBronco



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Status: offline 		Wow and your still bogging the engine? Is the pitch set to high? Any chance you are binding the swash plate?

I found on mine that even at 100% ATV with full aileron and fore/aft cyclic I can actually bind the swash to the point the pitch servo can't move it the swash plate. That can cause bogging too I bet.

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RE: Getting a R50v2 - 6/14/2005 1:29 AM   
Tomi


 

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Status: offline 		my throttle curve right now is at 100-90-70-100. I need to bring it down to 100-90-60 or 57-90-100

What's your pitch curves?

8-13-41-72-93 for idle up.

still working on the top end of the pitch. engine bogs out. I guess I'm thinking that I'm expecting alot out of the engine..

< Message edited by Tomi -- 6/14/2005 1:37 AM >

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RE: Getting a R50v2 - 6/14/2005 1:38 AM   
WhtBronco



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Status: offline 		My pitch curve is -9 to +9 in nearly a straight line in idle up 1 and -10 to +10 in a straight line in idle up 2. I'll have to look at my paperwork at home for the numbers though.

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RE: Getting a R50v2 - 6/14/2005 1:40 AM   
Tomi


 

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Status: offline 		I have no idea if I'm getting any binds. I have no binds moving the cyclic though. Not sure how to check binds though. All throws are normal. I did not increase or decrease the throws. I'm going to be getting a set of white paddles so I can get more response. At first it was twitchy, now i'm all used to it...

-Tomi

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RE: Getting a R50v2 - 6/14/2005 1:45 AM   
BarracudaHockey



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Status: offline 		Top end pitch should be set to as much as you can run without bogging the engine.

To check binding you need to go to full collective then slowly move the cyclic stick to each corner and watch. If it binds, you will see it. Our transmitters cyclic inputs are square and the swash plate is round. You can either get a cyclic limiter ring or reduce your atv's a bit if your binding. Most people run more cyclic than they need any way.

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RE: Getting a R50v2 - 6/14/2005 1:46 AM   
WhtBronco



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Status: offline 		I have the white TT paddles they are nice, but I still want to the greens at some point. With my new throttle curve it is less for a concern though.

To check for binding in the swash plate put the cyclic stick in the corner. I am told you should not ever do this while flying. No doubt 'cuz it binds the swash. Anyway put the stick in the corner and then try to increase or decrease pitch, my DS811 can't move the swash up or down if I do that in high rates. You'll likely hear the servos gowling a bit as well due to the binding. You might also try full aileron cyclic and then move slowly into full forward cyclic to see wear it starts to bind, if at all. I have set my low rates to 80% and I have no binding there at all, course I don't ever fly on low rates either.

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RE: Getting a R50v2 - 6/14/2005 2:25 AM   
Tomi


 

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Status: offline 		okay I put the stick to the corner and threw the collective around. It was binding like a ****. slowed down my servo really quick. I lowered the end points to 85% and now it's good to go. Since now it's down to 85% which is just like 85% low rates, the heli is going to be less reponsive to me now. Gonna fly like a granny. I'm going to put an order on them white paddles.

Thanks for the help guys. But I don't think I've ever gone around the corners. I'll keep playing with the throws though...

-Tomi

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RE: Getting a R50v2 - 6/14/2005 5:34 AM   
WhtBronco



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Status: offline 		You can fly with a bit of binding like I do. I have my high rates at 100%, even though I have my low rates at 80% to prevent binding. You will rarely hit the corners, but just try to remember not to go into the corners. For instance if you roll hard into a turn and you use full left cyclic as you roll into the full up cyclic you will also be rolling off the left cyclic or you would not make the turn you'd do a barrel roll. I think most people have there throws to a point where they would bind a bit if they hit the corner. I have thought about a cyclic ring so I could run 120% ATV, but I fly 3D planes with the same Tx and I need the corners on those.

My idle up 1 pitch curve is 7 26.5 48 70.5 93 and idle up 2 which I have not yet used, but will next time out, is 10 26.5 50 70.5 90. I think idle up 2 will prevent me from bogging at full throttle pitch, or real close atleast.

The white paddles will make a noticeable difference, atleast they did for me. Not drastic, but noticeable. The heli remains very stable though and only seems to react faster when I ask for it.

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RE: Getting a R50v2 - 6/14/2005 5:41 AM   
Tomi


 

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Status: offline 		okay I figured it out. it's always the engine!!! the main needle vibrated itself loose to like 7 turns out. so I reset it back to 3 turn. Then I had to redo my curves.. I had too much headspeed and less pitch. I got it all reprogrammed and man it shot up like crazy. I did get it to bog totally out, the blades stalled big time and the heli started piroing. No rudder response so I just let go of the stick till the rpm got up and took off. that was scarey. Other then that it was great. Can't beleive I almost burned 1/2 of a gallon today.. I was out there for 1 1/2 hours. Usually I burn like 3 tanks. today I burned a bunch. so addicting.. Oh and I did get to do my very first real autos. I did other ones but they were from short altitude and low headspeed. wooo hoo!

-Tomi

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RE: Getting a R50v2 - 6/14/2005 5:28 PM   
WhtBronco



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From: Winchester, VA, USA
Status: offline 		Glad to hear you figured out the bogging.

Congrats on the auto. I did a forced auto from low altitude with very good results, but still do have the guts to flip the switch from any decent altitude. I had considered trying on Sunday, but the 15+ mph gusty winds I wimped out again. Part of the problem is that right now I have no money to fix the heli if I have a boom strike or worse from attempted auto.

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RE: Getting a R50v2 - 6/14/2005 9:46 PM   
Tomi


 

Posts: 174
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From: Austin, TX, USA
Status: offline 		yeah I have no money for a crash. I have no crashed yet but I'm trying to keep it from crashing. When i did the auto, I was in idle up. I gave a bit of negative pitch so the headspeed would rise a bit while it's decending and I hit the switch. The heli comes down really easy. When you get the guts to do it in a higher altitude, u'r gonna wonder why you haven't done it before.. It's so easy. but don't take my word for it..lol... dont want you to crash yours.

-Tomi

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All Forums >> RC Helicopters >> Thunder Tiger - Raptor 30, 50, 60, 90 >> RE: Getting a R50v2
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