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HomeAircraftHelicopterAudacity Models P6 Pantera - Tiger 50 › Setting up Pitch Ranges...
10-13-2005 12:02 AM  12 years agoPost 1
darkfa8

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Brick, NJ - USA

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I'm in the process of following a procuded from Drunk Monk off of RR.

I put the main blades in-line with the boom, kept the fly-bar level at all times, set collective to 0* and made sure the mains were at 0*, then added in full left Aileron, I was getting maybe 1-3* at best at my settings.

I made adjustments to get to 6* on both extremes of the Aileron.

I moved the mains to be perpendicular to the boom, held flybar level at all times, centered the collective/mains at 0* then added in full forward elevator, same initial result as the ailerons.

After some tweaking, I set both the Aileron and Elevator Swash AFRs to 58%, this gives me 6* of cyclic range from center to each extreme.

I believe at full collective and full cyclic I'd have a total of 16* of total pitch.

Can the Hyper 50 pull more without bogging?

- Dan Goldstein
Team Revolectrix

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10-13-2005 11:32 PM  12 years agoPost 2
ProModeler

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Sanford, FL (Orlando area)

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No, it's my experience the Hyper can only pull about 12 degrees of pitch before it runs out of steam. However, you will soon discover that the situation you describe never occurs in actual practice because full collective and full cyclic pitch don't occur simultaneously. What happens is the pilot will reduce collective pitch to pretty close to zero degrees whilst performing maneuvers which use maximum cyclic pitch. Hence, in practice, the most the engine sees is the max-cyclic opitch input plus the small amount of collective pitch . . . but this is nowhere near stalling the blades. Where does that happen? Depending on airfoil, the stall begins to occur around 15-17 degrees.

How interesting that you should make this post as I just had a similar conversation with a Tiger 50 owner on the telephone!

By the way, you can squeeze more cyclic pitch than that out of the Tiger. The trick is to flip the switch to enter a symmetrical pitch Idle up mode (be it Idle 1 or Idle 2), but I mean your -11,0,+11 degree flight mode. next, go tot he transmitter menu which corresponds to Swashplate in Futaba and JR radios (with a setting for Aileron, Elevator, and Pitch).

Next, center the sticks so the model is at 0 degrees pitch. Then hold full right cyclic stick on the transmitter (right aileron form now on, OK?) and peer at the bottom of the swashplate. Now increase the Aileron setting until the bottom of the swashplate almost touches the mainshaft. Check to the left and make adjustments as needed. Do the same for elevator. I find it's around 85% for both aileron and elevator when ATV is at 100% and the arm lengths are as described in the manual. This works out to about 8 degrees, or so of cyclic.


John Beech
AMA # 47381
IRCHA #745

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10-14-2005 02:48 PM  12 years agoPost 3
darkfa8

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Brick, NJ - USA

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Thanks John

Funny, but I might have been that guy who called not too long after posting this on here and I believe over on the other site.

I thought I'd pound pavement over here before giving you a call. It worked out anyway since other people with the Tiger can learn how to go one step farther and verify/adjust their cyclic pitch range.

As for a manuever that uses a lot of combined collective and cyclic pitch, would the Death Spiral potentially be one? or a quick, hard snapping turn where you're in FFF upright and roll the heli to a side and then give positive pitch as you pull back hard on elevator to turn back to the opposite direction you entered? .. like pulling the heli around a pole real hard? .. not sure it's a documented manuever or not... if not, then it's mine :P I'll call it the Pole Turn lol

- Dan Goldstein
Team Revolectrix

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