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HelicopterAerobatic 3D Contest › autos with loops and rolls?
04-30-2004 02:26 AM  13 years agoPost 1
vcptech

rrApprentice

Dominican Republic

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has anybody try to do loops and rolls on autos, I have no seen anyone do this, I'm just trying to creat new cool Maneuvers .....with your help

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04-30-2004 02:43 AM  13 years agoPost 2
cwright

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Blossvale New York

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They have done rolls. flips, pirroettes, and I have even seen a chaos done in an auto.Also inverted right down on the deck before pitching up and flipping to land. Loops I don't think would be possible because you need power to pull the heli up and over the top. Chuck

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10-21-2004 12:58 AM  13 years agoPost 3
vince

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Victoria BC Canada

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I have seen loops. They were botched tumbles. The loop is not round also the entry and exit is also not at the same altitude. Kinda egg shaped with alot of altitude loss between the entry and exit.

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10-21-2004 01:43 AM  13 years agoPost 4
2LTime

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Walworth,NY

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Pete Niotis came down inverted low than would do an outside loop about 30 foot high and land. This was at our local funfly. I have done a few regular loops on the way down since than. The head is real slow at the top of the loop, so the last half is not real pretty. But it's not too hard.

Jeff

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10-21-2004 05:33 AM  13 years agoPost 5
rcheliflyer

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calif., usa

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Rolls are not bad , not too many and keep the blades spooled up.
I have not had any luck doing a regular loop, a backflip is no problem
and an outside diving / decending loop is easier to do than a regular
pull up type loop.
These are still shaped a bit like a backwards 6 when I do them with
a bit of forward speed then flipping into hold nosing forward holding pos pitch and going around.
All at high altitude of course

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10-22-2004 03:54 AM  13 years agoPost 6
helimanjay

rrApprentice

Temecula, CA

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Last weekend at TOC in Las Vegas, I saw Danny Szabo do an auto with a lot of rolls and flips but unfortunely did a little to many and couldn't recover head speed and well you can guess what happen.....

Jason

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10-22-2004 03:42 PM  13 years agoPost 7
Crazy kid

rrNovice

Riverside Cali

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yea i seen it too i'm trying it also but not a loop a roll but u have to watch the head speed when u roll it or is it u have to watch the headspeed while doing an inverted auto no i think its both lol

What is a sig

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10-22-2004 06:23 PM  13 years agoPost 8
Clearance

rrVeteran

Rain Forest of Western Canada

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A loop is proposed for the revised FAI F3C schedule for 2007 (by Scott Grey). Do a search on RR for the Finnish website that shows all the maneuvers.

The loop is entered from inverted, goes completely around, and lands.

Never tried it.

Ken

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10-25-2004 12:03 AM  13 years agoPost 9
Heli-Driver

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Arlington, TX

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I don't understand entering an autorotation loops from inverted. When you complete the loop you're inverted again... you'll have to execute a half roll or half a flip to land upright.

The first loop would have to be pretty high in order to regain enough headspeed afterwards to roll or flip back upright before touching down.



Raymond

Predator Gasser SE/231 X 2
Century Helicopters

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10-25-2004 12:55 AM  13 years agoPost 10
2LTime

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Walworth,NY

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When I saw it done heli-driver it was like this. Come down inverted nose in very quickly to about 5 foot. Push forward cyclic and add negative pitch to enter an outside loop. At the top of that loop (1/2 way around) the heli is upright tail in at about 30 foot. The last half, the heli is kept in this orientation (upright tail in), it goes forward while descending, than backward while descending, for a sliding tail in landing.


Really impressive!


Jeff

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10-29-2004 10:55 PM  13 years agoPost 11
Clearance

rrVeteran

Rain Forest of Western Canada

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Heli-Driver wrote:

"I don't understand entering an autorotation loops from inverted."

The loop will be large, not a flip. You do an inside loop from power-off inverted (i.e., go inverted, pull down elevator so that the heli is going towards the ground), not an outside loop. Therefore the heli will be inverted at the top of the loop, come around, and you finish upright at ground level.

Obviously Scott Gray can do it, otherwise he wouldn't have proposed it for the FAI schedule :=)

Ken

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10-30-2004 12:28 AM  13 years agoPost 12
funky3d

rrApprentice

Fareham, Hampshire, UK

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my humble little shuttle zxx would try to do loops on auto's - this was going back 10 years, once it got to the top upside down the head speed had decayed so much it was more like a blade stopper, requiring a long inverted descent to generate head speed before a pull out with more backward elevator. Not a loop in one go, rather two seperate halfs, but the closest I got trying.

I could imagine with great forward speed, and a small tight loop, something more loop like could happen.

Regards,
Kev

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10-30-2004 12:34 AM  13 years agoPost 13
2LTime

rrKey Veteran

Walworth,NY

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Here's mine. Filmed and posted by Dave Playfair.

http://playfair.homestead.com/files/misc/autoloop.wmv

Jeff

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11-19-2004 04:22 PM  13 years agoPost 14
Clearance

rrVeteran

Rain Forest of Western Canada

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I blundered!

I just looked at Scott Gray's looping auto proposal for the FAI F3C schedule. I didn't read the description carefully.

The maneuver starts inverted, does an inside loop, (with power), THEN, the engine is stopped at the top of the loop. So the heli only does "half" a loop as it spirals down.

Sorry,


Ken

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11-19-2004 05:04 PM  13 years agoPost 15
rcheliflyer

rrKey Veteran

calif., usa

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The maneuver starts inverted, does an inside loop, (with power), THEN, the engine is stopped at the top of the loop. So the heli only does "half" a loop as it spirals down.
That is one of my favorite ways to enter an auto, less the spiral part ?

Go out fly in, pull up ito a large loop going up, holding pos collective,hit
hold and do a few inverted piros, pull out nose away, go neg and auto in.
After watching 2LTime's video I got a little better at the inside loops,
but not as big and round, good job 2LTime
Come down inverted nose in very quickly to about 5 foot. Push forward cyclic and add negative pitch to enter an outside loop. At the top of that loop (1/2 way around) the heli is upright tail in at about 30 foot. The last half, the heli is kept in this orientation (upright tail in), it goes forward while descending, than backward while descending, for a sliding tail in landing.
I saw Todd B do an auto like this and it was awsome, you could really feel / hear the heli respond , he mentioned that you can actually
do a inverted blade scrape auto that way, but It's risky.

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