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Nov 24, 2012, 11:28 PM
Registered User
Just putting in my $0.02:
As delivered,the rotor head on mine had a distinct lean to the left,so check this before 1st flight.One rod was also slightly bent,so this was removed and straightened.
The rudder and elevator pushrods were too long,so i put a little kink in it:


I fitted slightly larger wheels,as well as a locknut under the rotor top disk.Also replaced one of the screws on each blade with a toothpick.
I'm not confident about the magnets holding the battery hatch down,so i fitted an external latch:


I really would like a steerable tail wheel,but I'll try it as is first.
Finally,a couple of pics of the gyro in it's finished state:


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Nov 24, 2012, 11:31 PM
Registered User
Actually,those wheels still look a bit small.May need to go up another couple of sizes.
Last edited by beaverbuddy; Nov 24, 2012 at 11:31 PM. Reason: spelling error
Nov 24, 2012, 11:49 PM
Registered User
Forgot to mention,test ran the motor.
16.4A and 184W on a 1300mah 3-cell pack.
Nov 25, 2012, 02:27 AM
Registered User
britinoz's Avatar
Not quite sure of the set up on this motor ....but all that exposed motor shaft is just asking to be bent. It is usually best to keep the prop,hard up to the motor,as the prop touching the deck is always going to bend the shaft...........
Good Luck
Chris..................
Nov 25, 2012, 03:59 AM
Commercial UAV Pilot
Quote:
Originally Posted by beaverbuddy
Just putting in my $0.02:
As delivered,the rotor head on mine had a distinct lean to the left,so check this before 1st flight.One rod was also slightly bent,so this was removed and straightened.
The rudder and elevator pushrods were too long,so i put a little kink in it:


I fitted slightly larger wheels,as well as a locknut under the rotor top disk.Also replaced one of the screws on each blade with a toothpick.
I'm not confident about the magnets holding the battery hatch down,so i fitted an external latch:


I really would like a steerable tail wheel,but I'll try it as is first.
Finally,a couple of pics of the gyro in it's finished state:


Erm, isn't that U/C in the wrong way round?
Nov 25, 2012, 04:16 AM
It's all in the Blades!
SafeLandings's Avatar
Yes that's the wrong way round, they should be raked forwards.

Mine has 60mm diameter wheels on and I spread the wire out a bit more to help with ground handling.

Did my first loops Friday, really easy to do ... just gather speed and pull back on the elevator. Tracks straight through the loop as well


Rich
Nov 25, 2012, 04:29 AM
Mildly Confused
Paul 1968's Avatar
Quote:
Originally Posted by SafeLandings
Yes that's the wrong way round, they should be raked forwards.

Mine has 60mm diameter wheels on and I spread the wire out a bit more to help with ground handling.

Did my first loops Friday, really easy to do ... just gather speed and pull back on the elevator. Tracks straight through the loop as well


Rich
Have you rolled it yet? I tried yesterday, it went over but it was certainly "interesting". Great fun though, I'm really enjoying mine as my first autogyro. I guess I'm smitten, I have a rotorshape on the way now too .
Nov 25, 2012, 04:55 AM
It's all in the Blades!
SafeLandings's Avatar
No I haven't ....not brave enough as the roll control doesn't seem that responsive. I am give it a go this afternoon.

Will try and get some video.

Rich
Nov 25, 2012, 08:09 AM
Registered User
PeterO_UK's Avatar
Quote:
Originally Posted by Paul 1968
I have a rotorshape on the way now too .
You may find it useful to look at my pages on Rotorshape build/modifications. Some tips there on strengthening some parts and adding a rudder.
http://www.peteronion.org.uk/Autogyros/index.html
PeterO_UK
Nov 25, 2012, 08:18 AM
Mildly Confused
Paul 1968's Avatar
Quote:
Originally Posted by PeterO_UK
You may find it useful to look at my pages on Rotorshape build/modifications. Some tips there on strengthening some parts and adding a rudder.
http://www.peteronion.org.uk/Autogyros/index.html
PeterO_UK
Seen it and bookmarked already PeterO, actually it's your fault I ordered it! I will be making the rudder modification and probably larger wheels for ROG takeoffs.
Nov 25, 2012, 08:22 AM
Registered User
PeterO_UK's Avatar
Quote:
Originally Posted by Paul 1968
Seen it and bookmarked already PeterO, actually it's your fault I ordered it! I will be making the rudder modification and probably larger wheels for ROG takeoffs.
You'll be wanting plans for a Minimum next then ?
PeterO_UK
Nov 25, 2012, 08:29 AM
Mildly Confused
Paul 1968's Avatar
My wife says you mustn't encourage me . I might have to sneak it in on the QT!

Paul
Nov 25, 2012, 12:39 PM
Registered User
scott page's Avatar
Quote:
Originally Posted by britinoz
Not quite sure of the set up on this motor ....but all that exposed motor shaft is just asking to be bent. It is usually best to keep the prop,hard up to the motor,as the prop touching the deck is always going to bend the shaft...........
Good Luck
Chris..................
First thing I did was spin the motor on high and use a cutoff wheel (spinning opposite direction) to cut the shaft right below the threads. Then put a 4mm collet on the shaft -- and since I'm paranoid about compression collets I used red locktite to assist holding the collet in place.
Latest blog entry: Old OpenTX and Taranis Videos
Nov 25, 2012, 01:47 PM
Be here now!
ask21!'s Avatar
Ok, i really got and headache thinking about what appens to my auto-g:

I'm using a 1800 3s lipo. Maiden it and what i found was that to fly straight without tendencies to go up or down at 1/3 motor, my elevator is down trimmed.

Using a bigger lipo, what i expected was to have up elevator.
Nov 25, 2012, 02:17 PM
Sky's not the limit, ground is
skydanz's Avatar
I've flown three of them and they all have a bit of down trim. The horizontal stab and elevator almost looks like a semi-symmetrical airfoil with a flatter bottom, if that makes sense. The battery is so close to the CG, I doubt the few extra grams would require any trim. I mount a GoPro camera to the mast structure and I can barely feel the difference.

I can think of a few odd reasons to have more down with a nose heavy AG, probably due to increased speed for the weight, but you never know with these little devils.

Don


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