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HomeAircraftHelicopterMain Discussion › Trouble learning autos
06-20-2014 02:01 PM  4 years agoPost 21
Harry Spillett

rrNovice

Faversham, Kent, England

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Thanks again guys,

I like the idea of using throttle trim to keep a little bit of power in the sytem, I will give that a try. It may help me work out what is happening to my lumpy descent without stopping my main blades!

I agree that outside help would be of huge benefit, even seeing my model auto with someone else at the controls would be a great confidence booster. However I work in theatre and so work odd days and odd hours, I am not able to join a club to accelerate my learning, everything I know is self taught, or gleened from forums!

H

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06-20-2014 03:39 PM  4 years agoPost 22
Ace Dude

rrProfessor

USA

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However I work in theatre and so work odd days and odd hours, I am not able to join a club to accelerate my learning, everything I know is self taught, or gleened from forums!
I'm sure there are others who are working odd hours or are retried. You don't know until you try.

When I was learning to fly I had to drive 60 miles one way every weekend as these were the only heli pilots in my area at the time. As I look back now it was worth every penny. I'm still flying with those very same guys today, nearly 20 years later.

  

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06-20-2014 05:21 PM  4 years agoPost 23
goof2

rrApprentice

Bristol,CT

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I set the model up with a slight offset on the swash plate to help reduce the translating tendency in the hover and it is very stable on a calm day with no wind.
Is your swash setup level or is there a tilt?

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06-20-2014 06:04 PM  4 years agoPost 24
Harry Spillett

rrNovice

Faversham, Kent, England

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I used to belong to a club who flew week days and weekends. I hardley ever saw the other members! I will try approaching the club where I live now however I think they only fly at weekends which is when I will be at work.

With regard to my swash plate it has a very slight tilt which helps the model to hover right skid low but stationary. I set up the model using tips from "Ray's Authoritative Helicopter Manual" I know this may be regarded as o.d info now but all my gear dates from about 2001 and is still going strong!

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06-20-2014 06:08 PM  4 years agoPost 25
Ace Dude

rrProfessor

USA

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I used to belong to a club who flew week days and weekends. I hardley ever saw the other members! I will try approaching the club where I live now however I think they only fly at weekends which is when I will be at work.
Keep in mind club members come and go all the time. Peoples schedules also change all the time.

Success in any hobby takes persistence and patients.

  

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06-24-2014 05:12 PM  4 years agoPost 26
Harry Spillett

rrNovice

Faversham, Kent, England

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Good news!

I performed my first full down auto yesterday and it turned out very nicely! Unfortunately I enjoyed it so much I tried another one and had a boom strike, oh well it had to happen sometime and I thought it would be on the first attempt!

I think I know what I did wrong, didnt completely level the model before a slightly bumpy landing causing the boom to go up and the blades to go down... (I had tightened the blade bolts more than normal, will try a bit tighter next time, it may help.)

I have been been having a PM chat with Helifanatix over the last few days and he has given me some useful pointers and encouragement. Thanks Scott!

I mentioned in one the first posts that I am using the constant tail drive gear normally found on the Raptor 50's. I think the extra drag this creates causes the model to yaw to the right in Throttle Hold, should I adjust my gyro to try to compensate or just put the stock gear back in? I am worried I may be soaking up valuable inertia trying to drive the tail. I originally thought it would be helpful but now I am worried I am "wasting" energy that the little Raptor 30 really needs to auto properly.

H

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06-24-2014 05:44 PM  4 years agoPost 27
revmix

rrKey Veteran

NJ

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self taught
power recovery from practice autorotation

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06-24-2014 06:09 PM  4 years agoPost 28
Tyler

rrElite Veteran

Chicagoland area

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Trimming the model in every flight mode is essential. TH should descend hands off if set up properly. The gyro should maintain tail heading if there is no odd set up. Are you sure the gyro is in heading hold mode for TH flight mode? It is possible to have the gyro switch between heading and rate for each flight mode.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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06-24-2014 07:02 PM  4 years agoPost 29
jschenck

rrProfessor

La Vista, NE.

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The white tail drive gear may be dragging against the one-way housing. I found that I had to sand away material on the inside of the white gear to give it proper clearance against the one-way. Also don't tighten the lower main shaft bolt much it'll cause the white gear to drag too. just make sure to use a fresh nylock nut so that bolt doesn't come out (!!). Also I run the belt tension just a tad bit loose. The Raptor can't run it too loose or the belt teeth will catch on each other but just a little bit loose so the belt isn't tight like a piano wire.

Main blade bolts - good idea to run them on the tighter side so a bounced landing doesn't fold them and get a boom strike. Run them just loose enough so the blades will not move when holding the heli sideways but will move a bit when you give the heli a bit of jerk.

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06-24-2014 10:34 PM  4 years agoPost 30
Harry Spillett

rrNovice

Faversham, Kent, England

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Good point about the belt tension. In the past I have run it quite tight as it improved the clutch alignment, however I have recently fitted the version 2 clutch and start shaft with a third bearing so it lines up better. I could afford to slacken the belt a bit.

Before I fitted the white gear I had my gyro switch to rate mode in Throttle Hold to avoid the tail blades acting like an air brake. Now it is fitted I had set a slightly more sensitive version of HH than I use in my other flight modes. I will try increasing this further.

The other thing that may have an effect is my head speed. I think it may be too low and so the tail is not powerful enough to keep the nose straight in Throttle Hold. I have a tacho I just need to find a volunteer to take some readings for me. I think I will aim for 1700RPM.

H

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06-25-2014 12:44 AM  4 years agoPost 31
nappyroots2182

rrElite Veteran

Moline, il

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i use the same curve i use in stunt modes so i know if i have a flair out i will know what to expect. -10,0,+10. also when learning i had the idle maybe 20% in hold. that way u will have some motor and clutch to keep the blades spinning enough to give u some cushion at the end of ur auto. now i can shoot autos from anywhere in the sky and bring her home. every flight ends in an auto for me. i dont like to land with a high headspeed. im weird

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06-25-2014 05:37 AM  4 years agoPost 32
jschenck

rrProfessor

La Vista, NE.

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start off as high as you can comfortably fly - this will give you time to build up headspeed with different collective input on your way down. *slightly* nose it forward to build up some forward/downward speed then *slighly* pull back on elevator to present the rotor disk to the forward momentum with the negative collective and it'll really spin the disk up. subtle, light touch with smooth input is the key here. no sudden or "pop" movements on the cyclic or collective.

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06-25-2014 10:37 AM  4 years agoPost 33
Richardmid1

rrProfessor

Leeds, England

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I would bolt on a set of FBL blades for learning autos, they will be far more forgiving than wood blades!

Next I would try baby autos from about 4 feet to get a feeling of how much hang time you have in the blades. Then I would go up high and hover and put a slight bit of negative pitch in and hit throttle hold, now put a slight bit of positive pitch on and watch the blades slow down and also use your ears, before they slow down too much go back to a slight bit of negative pitch -2 ish, repeat this and observe just how slow and floaty an auto can be. Remember to speed it up slightly towards the bottom before the flare and land quickly but gently, don't hang around at the bottom of a straight down auto!

60% of the time, it works every time!

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06-25-2014 01:32 PM  4 years agoPost 34
HeliOCD

rrVeteran

San Diego, CA

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Trouble learning autos
Gas on the right, brake on the left, steer. No big deal...
Oh, and seabelt.

Its all earth!

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