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Home✈️Aircraft🚁HelicopterBeginners Corner › How many people set pitch with the landing gear / skids off ?
09-18-2019 04:22 AM  63 days ago
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rrApprentice

downunder

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How many people set pitch with the landing gear / skids off ?
After dealing with a few smaller TREX clones recently , I have come to the conclusion if you are anal about setting the pitch accurately and reproducibly ,I think just resting the frame on the table (and levelling it of course) would be easier than with the mushy skids on and especially with the rubber skid grommets .Does anyone do this ?
Thanks
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09-18-2019 05:28 AM  63 days ago
heli4fun

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TRUMP, USA

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No,i've never done that.The many years that i have been in the hobby(15 yrs)i have never seen anyone personally do it nor have i seen any documentation/videos/manuals/suggestions from other fliers.I really think that is totally unnecessary,but i guess theres a possibility i've missed some vital info throughout the years.I'm going to assume that if you have to resort to this,you might be doing something wrong in your setup procedures.
I'm sure others will chime in
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09-18-2019 01:08 PM  63 days ago
Infarcted

rrApprentice

downunder

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Yes you are correct . I have not read anyone do this . I also have been setting up helis (sorry flybar only) for last 20 odd years both eccpm and mccpm on and off and only in a recent dealing with a cheap TREX 450 clone which really frustrated me in trying to maintain a level heli whilst doing the pitch that I thought about it. If you look at the soft skids and slant and and dealing with sticky ball links , you'll understand why i mentioned this !
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09-18-2019 02:33 PM  63 days ago
Flyin for Jesus

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Troy, IL. 62294

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For years, I have used 3 jack screws and a metal plate. Adjust the screws to set the main shaft perpendicular to level.
A few helis have flexable skids so I use some tiny C clamps to the plate next to the skids so they cannot flex outwards. Heli sits rigid and I go to town on the setup.
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09-18-2019 03:07 PM  63 days ago
Rafael23cc

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Junction City, KS

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I've been using pencils, pens, clothespins, screwdrivers, anything that I can get my hands on while setting a helicopter, and wedge it under the skids to get the frame "level".

Let me ask you this: have you ever FLEXED the control system of one of these helicopters? And I mean push it by hand against the powered up servos? how much "change" in reading does your pitch gauge shows? I understand trying to get the settings as close as possible, but some of us go to extremes that are really not necessary.

Just my $0.02.
Rafael
Keep your feet on the ground, but your eyes on the sky.
Team Heliproz.com
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09-18-2019 09:17 PM  63 days ago
Rockin Bird

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St Gabriel, La

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Well that is the first time that I have ever heard of that ,but I guess that is a good way for leveling a helicopter.I use a snare stand a flat board, it works fine.That sweet smell of "Nitro"
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09-18-2019 10:52 PM  62 days ago
ICUR1-2

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Ottawa, Ontario

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never heard of anyone doing that either... unless you're using a digital pitch gauge I don't see why the model has to be level.
fly barred pitch gauges still work on fbl easier to use, cost less and doesn't require batteries
spending time, paying attention
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09-18-2019 11:38 PM  62 days ago
Infarcted

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downunder

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Well with the Soko pitch gauge ,any movement whether of the flybar ,the tail boom ,the skids or the actual blade holder is detected and if you try to chase a reproducible setting ,let me tell you it's pretty difficult .Of course with the hand held pitch gauges, you're more likely to 'fudge' it and you're happy.
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09-19-2019 12:39 AM  62 days ago
philthewrench

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Greenwood Lake NY

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Actually I do on one model, a Trex 700e I have the raked landing gear on to keep the tail out of the grass. Taking the gear off makes it much easier for me to level it off when I use the soko tool.

Fil
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10-22-2019 03:03 AM  29 days ago
maxell44

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Canada

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Skids off to set up pitch....wha…? I too have never heard of that...? To each his own I guess. I confess, I have never in my entire Heli life used any Heli tools to set up my birds (its unnecessary). I learned what to do and how to do it by reading online, I go by eye, and feel of the heli in flight. I use tried tested methods and TC/PC curves (same for all my FB helis). My Heli's fly the way I expect them too. No vibrations, tracking spot on, everything balanced, desired head speed, no issues here. *wink*
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10-22-2019 04:42 AM  29 days ago
heli4fun

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TRUMP, USA

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philthewrench Actually I do on one model, a Trex 700e I have the raked landing gear on to keep the tail out of the grass. Taking the gear off makes it much easier for me to level it off when I use the soko tool.

Fil
I have an Align Trex 700L with a raked 700X landing gear also,I've never had to remove them to accurately use a pitch gauge,i like to simplify my setups and at the same time achieve a well setup heli:
Main blades track perfectly
Equal pitch range pos/neg
Swash leveled mid,high and low
Set required pitch degree deflection on swash plate depending on fbl system
and this is done with a raked landing gear using a pitch gauge and a swash leveler.I have a friend who uses a Soko tool and just for sh1ts and giggles we did it his way and took off my raked landing gear to get it leveled and verified if my numbers according to what i listed above were the same with his Soko tool.
And the answer is...

Same pitch readings (with a .01 variation)
Same 0 degrees for tracked blades (with a .01 variation)
Same swash pitch degree deflection (again with a .01 variation)
Leveled swash on low,mid and high
With the .01 variation against my setup readings,i will never notice any significant differences and i fly smack 3D and big air maneuvers.

Why should i remove the raked landing gear?
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10-22-2019 04:37 PM  29 days ago
philthewrench

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Greenwood Lake NY

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You shouldn't, I was just saying I do. I use a soko and it's makes it easier for me to pull the gear and actually square the heli. Its simpler for me to keep track of everything in my head based on an actual zero.
Certainly wouldn't say it's better but I'm half a moron and gotta work things out in my head anyway I can.

Fil
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10-22-2019 07:31 PM  29 days ago
Steve.Favorite

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Brrokville, Ohio

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heli4fun And the answer is...
A good mechanical setup, first.
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10-22-2019 09:09 PM  29 days ago
heli4fun

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TRUMP, USA

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philthewrench Certainly wouldn't say it's better but I'm half a moron and gotta work things out in my head anyway I can.

Totally understand,everyone i guess has their unique way of setting up.
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10-23-2019 12:13 AM  28 days ago
heli4fun

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TRUMP, USA

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Steve.Favorite A good mechanical setup, first.
The "topic" here is whether to remove the skids or not to achieve a good setup,my point was,you can achieve that without removing the skids before or after the installation of the skids.
I agree with your reply for
"A good mechanical setup,first" but that no longer applies if after the good initial setup is done and he wishes to change/verify his pitch settings and wants to remove his skids.
So what's your point?
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10-23-2019 12:20 AM  28 days ago
maxell44

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Canada

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heli4fun Totally understand,everyone i guess has their unique way of setting up.
Its funny eh how everybody gets the same results or the results they seek using what ever method they use.

My big (4) are:

1) servo arms 90 degrees
2) level swash plate
3) 0 degree pitch at 1/2 stick
4) swash mix

After that its just a matter of tweaking your TC/PC curves to get the machine to fly the way you want. Of course given all the other stuff you do before you get to the big four I mentioned.
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