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Home✈️Aircraft🚁HelicopterThunder TigerOther › Forward flip vs. backflip
09-10-2006 05:16 PM  14 years ago
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Zman

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Florida

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Forward flip vs. backflip
Hey all,

I have my new Titan flying great. I am running it with the hyper 50, green paddles, Maverick pro 600 blades and using 15% CP fuel. I got my head speed set to 1930 using the rev max. Here is what I need help with.
I can do continuous backflips without loosing head speed. But everytime I do a forward flip, I loose head speed, there sounds like a lot of bogging going on. Does it take more power to do forward than back? or is there something else going on? Any ideas appreciated.

Z
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09-10-2006 05:30 PM  14 years ago
DOperchal

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Ft Rucker, AL

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Just need to get your collective timing down.Peace through superior firepower
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09-10-2006 10:45 PM  14 years ago
TonyTypeS

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New Orleans, LA & El Monte, CA

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haha your the opposite of me. I can do forward flips all day but when it comes to backflips, it feels like my rappy is not responding right. It doesn't seem to be as smooth as the forward flip is.

just like what DOperchal said it's all in the sticks. Pratice doing forward flips for about a week and try doing a back flip. It will feel different
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09-11-2006 12:28 PM  14 years ago
Zman

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Florida

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Thanks guys,

Assuming I am at a hover and start pushing forward elevator to do a forward flip, at what point do I back off the collective. Otherwise can someone explain roughly the basics of a forward flip?

Thanks
Z
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09-11-2006 12:59 PM  14 years ago
Peefor

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Norfolk UK

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Z
All things being equal, especially cente stick at zero and equal pitch range either side, sounds like your head is interfering with your fingers.

The natural instinct is that with a back-flip, the eyes see the heli move further from the ground (upward direction), so your head is happy.

With the front-flip your eyes see the heli diving for the ground and instinctively tell your head it's not safe. Therefore it is natural for your pitch movements to go out of sync.

So give yourself a bit more height and with enough practice your eyes will convinvce your head it's easy.

Pete
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09-11-2006 01:11 PM  14 years ago
SPB

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Athens - Greece

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How about your cyclic pitch? Is it the same both directions?
Sotiris
myhelis.com Flying Team
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09-11-2006 01:57 PM  14 years ago
BlakeMcBrayer

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Georgetown, Ky

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How about your cyclic pitch? Is it the same both directions?
Exactly what I was thinking. If you have more cyclic pitch on down elevator than up elevator, then you are a lot more prone to bog on the foward flips.

Also does it seem to be faster flipping foward or backwards?

.
Don't come off the throttle untill you see your GOD!
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09-11-2006 05:56 PM  14 years ago
Zman

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Florida

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Thanks all,

I have both forward and back elevator set to 7 degrees max. It probably is my perception of heli when I push forward. I will practice some more. Last question, with my setup as mentioned in first post, is there any reason to believe 15% fuel cannot handle this manuever. Otherwise, I am going to need to get some more fuel soon (I order it) and if it is telling me it wants 30% then I need to go ahead and get some.

Thanks
Z
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09-11-2006 06:21 PM  14 years ago
w.pasman

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Netherlands

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Do you have binding of the cyclic when full elevator?
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09-11-2006 07:44 PM  14 years ago
Zman

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Florida

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Not that I know of. I set both directions to 6-7 degrees. What is the best way to tell if I have binding?

Z
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09-11-2006 07:52 PM  14 years ago
TonyTypeS

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New Orleans, LA & El Monte, CA

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15% should be good enough. I can flip all day on 15%. Tic tocs, death spirals, and such and such shouldn't be a problem either.
For the price of a gallon of 30% you can buy 2 gallons of 15%. Your saving money and get more flight time.

I start my forward flip by giving throttle. As it's climbing I give forward cyclic. As the heli starts to flip I back off the cyclics a bit when the heli gets vertical with the nose pointing down. At the same time you might want to back of on the pitch too. And you should know how to do the rest.
Piece of cake. I guess there are other ways to enter a forward flip too. Thats just how I do mines.
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09-11-2006 08:05 PM  14 years ago
w.pasman

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Netherlands

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Give full cyclic in a direction. If the servos keep buzzing and the swash stops before the point where your servos are aiming for you have binding.
To do a complete check, you have (1) to check the binding at every cyclic direction, not only full elevator but also full aileron and both at the same time (2) you have to rotate the main shaft a full turn and check each cyclic direction at all orientations of the main shaft. If you don't have a cyclic travel limiter, you only need to check the corners.
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09-11-2006 08:34 PM  14 years ago
Zman

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Florida

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Thanks again to all for the help.
I am going to check all this stuff out tonite and hopefully within the next day or so can give it a try again.

Z
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09-12-2006 12:20 PM  14 years ago
Zman

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Florida

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Well, I put the elevator/aileron sticks in all four corners and rotated the main blades and never saw the swash move so I guess I am okay on binding. So it more than likely is my fingers although maybe 30% fuel could hide my lack of timing????


Z
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09-12-2006 01:48 PM  14 years ago
NORTHERNLIGHTS

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Riverview FL

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30% won`t hide it. Work on the timing....:-)B.O.A.T. Break Out Another Thousand!
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09-12-2006 03:59 PM  14 years ago
Zman

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Florida

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I agree!!! But since I brought the subject up, I have to order my fuel pretty soon and do so several cases at a time to save a little money. Right now, I am doing the rolls, flips, some inverted hovering, obviously nothing major 3d wise. At what point (if any) should I plan to go from 15% to 30%. I dont want to order a bunch of 15% if I am going to find 30% is wanted/needed in future. I guess the plus of running 15% is fuel consumption and cost is a little lower and the plus of 30% is obviously more power, anything else?


Thanks again

Z
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