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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › Century Bell 222 still having Trouble.
02-02-2010 09:48 PM  8 years agoPost 21
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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the shock absorbing geari make for my airwolf/222's eliminate the chicken dance on spoolup or spool down.

drive a rotary, fly a rotorcraft

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02-02-2010 10:44 PM  8 years agoPost 22
Chapter

rrApprentice

Savannah, usa

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Dr. Copter,

Thats awesome!
Is that the Bell 222 90 size you are posting the photo?
I'm thinking this year to design a new retract gear using aluminum cnc but if you already have some made I would like to buy a set from you if thats possible.

Thanks,

Chapter

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02-03-2010 12:12 AM  8 years agoPost 23
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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the two in my last posts are 30 size.

drive a rotary, fly a rotorcraft

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02-04-2010 05:35 AM  8 years agoPost 24
TCAS

rrNovice

Raleigh, NC - USA

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I've been wondering why nobody has gotten around to doing a reasonably priced scale set of CNC landing gear for the 60 and 90 sized Bell 222 fuselages.

I just bought a 90 sized 222 and have been looking for closeup scale pictures of the gear so that I can as closely as possible replicate the landing gear in aluminum. I don't have a CNC setup but I do own a hacksaw, drill and a set of small files. Using those and a lot of patience I'll have to see what I can come up with.

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02-04-2010 06:07 AM  8 years agoPost 25
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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I've been wondering why nobody has gotten around to doing a reasonably priced scale set of CNC landing gear for the 60 and 90 sized Bell 222 fuselages.
they key words there are "reasonably priced"
years ago a company named rotary winged concepts had a nice set of scale gear with a worm drive system for the 60 airwolf/222 one of which i bought. it was very nice with an 8 second retraction time and working struts. it was however a bit pricey though worth every penny.
nowadays the price of scale gear costs as much as the fuselages themselves and is much more cost effective to make your own. i have been making my own gear now for all my helis for years and when i get the time, i help others out by showing them how to make a set for themselves. the airwolf gear is very time consuming and has many parts and i imagine that is why it wouldnt be a cheap setup to manufacture. the high cost would make for poor sales.

drive a rotary, fly a rotorcraft

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02-06-2010 04:13 AM  8 years agoPost 26
Jet Jeff

rrNovice

USA

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All,
Mine sakes too....
But the extra bracing fixed the problem.
Thanks to this post I have learned a lot about
scale Helicopters
With 4 flights on this project it is very smooth.
It is a Carbon Pred. on gass
Now just waiting for some improvement in weather to
start the paint work.

Jeff

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02-06-2010 04:52 AM  8 years agoPost 27
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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Jeff,
thats awsome!! glad this post helped to get the shakes out of your bird. now tell me more about your predator. gas aye? how is that fit?? i rarely see the pred gasser in a fusleage and am always curious for further reference.

drive a rotary, fly a rotorcraft

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02-06-2010 08:53 PM  8 years agoPost 28
Jet Jeff

rrNovice

USA

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Copter Doctor,

The fit was not much of a problem. The Fuselage is the
60-90 size Fun Key. The mods I had to make to get a perfect
fit was:

Tail Boom shorten by .300 in.
S.S. tork tube shorten .300 in.
Tail rotor carbon rod the same.
Only on a carbon model needs to knock a corner of the top
frame.
The fit is on the two rails glued to the bottom of the
fuselage. The muffler I used is a stock Zenoah Air Plane
style with the two pipes out the side. Needed to make two
90 deg. Stainless Steel turn down pipes. This is the only tight
fit in the whole project.
I wanted to do gas because there is no SMOKE from the motor.
There isn't much vibration from this Pred. because I worked
all those problem out when it was a pod & boom. The motor is
a Hanson balanced G231. Heat was my next problem to look at
but so far doesn't look to be a problem. Carb. setting is very
important in all Gasser's. Must use the right fan to give you
the best coolant you can get. Because you know it is going
to run hotter in a body.
The only problem I have with this project is the Junk Wire
landing struts. So far I have put 4, 15 min. flights on it
and it really looks good mechanically. In the next few weeks
I will be painting the project along with all the lighting
details.
Here are some early er pictures to look at.
Thanks for the reply......Jeff

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02-07-2010 03:16 AM  8 years agoPost 29
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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excellent work Jeff!! yeah the gear on the 222 isnt very glamerous but once you get it working it usually works well. glad to know the pred gasser does fit the 222 and am sure will be a bit better fit in the airwolf. til now i thought the 60 size huges500 was the only fuse that fit the wider frames of the gasser. love to see pix of the finshed machine
thanks for sharing

drive a rotary, fly a rotorcraft

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02-07-2010 07:45 PM  8 years agoPost 30
Wayne Parrish

rrVeteran

Apex,NC,USA

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I don't know how your torque tube shaft is supported but it could be whipping causing vibrations.

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02-10-2010 08:03 PM  8 years agoPost 31
Chapter

rrApprentice

Savannah, usa

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Hi Jeff,

Can you show us where you mount the extra braces on your heli to eliminate the vibration.

Greatly appreciate!

Chapter

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07-28-2010 12:39 AM  8 years agoPost 32
reddragon

rrElite Veteran

Brooklyn, N.Y.

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These things just go unfinished I guess. Sad.

Wayne - Fly it like you stole it! You're in good hands with Runryder!

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07-28-2010 01:20 PM  8 years agoPost 33
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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yeah i would like to know how this project turned out as well

drive a rotary, fly a rotorcraft

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07-28-2010 03:58 PM  8 years agoPost 34
nrad2000

rrVeteran

USA

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I've finally got most of the vibrations out. It was a long journey. I still see high frequency vibrations in the horizontal fins on the mid tail area and the wheel well for the back two landing gears. Actually the vibrations was so (perhaps intense) in the wheel well that the screw holding down the plywood assembly together came loose. I thought I had loctite on it but I guess I didn't. never found the screw - flew off mid air. Oh, that was interesting cuz I had to find a new landing sight. with only 2 functinal gear - I kept the gear up and belly landed it in heavy grass.

I'll be taking out the century helicopter out of this fuse and try putting in a Century swift - (ya, I'll need to stretch out the tail boom). should be interesting. If anyone has any idea's or build on a Century Swift in a Bell 222 let me know what you did or what to do.

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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › Century Bell 222 still having Trouble.
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