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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion Docs  A-star/Roban mechs
05-17-2016 02:43 PM  4 years ago
Mojave

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Palos Verdes, Ca. USA

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Nice fix Emile! Cool on board video too. Were the wood side frames really flexing that much, or was it just an optical illusion?
Barry
All helis and planes have an expiration date stamped on them...you only find it after you crash!!
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05-17-2016 04:03 PM  4 years ago
Copter Doctor

rrProfessor

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

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Thanks Barry. Oh no, that kinda flex wouldn't go well for very long before things came apart lol. Yes the interference and lack of a soft mounting made for a squirelly pic,drive a rotary, fly a rotorcraft
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05-21-2016 12:36 AM  4 years ago
Copter Doctor

rrProfessor

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

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i always thought the t/r output shaft on this machine was to short when compared to the fullsize machine so I stretched things a smidgen.

drive a rotary, fly a rotorcraft
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05-25-2016 03:28 AM  4 years ago
Sidneyw

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Huntersville, NC

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Aw, learnt something ... the swash is phased.
I'd better do more readings here.
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05-25-2016 04:32 AM  4 years ago
coptercptn

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Mesa AZ. USA

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I'm liking that. New field..? A little more room than your front yard???Home of the "Sea Cobra".....
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05-25-2016 02:06 PM  4 years ago
Copter Doctor

rrProfessor

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

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yea Sidney, I phase it at the lower swash ring whenever possible. Jim, that's my spot for forward flying near my neighborhood. I use it while its there, the homes are popping up fast.drive a rotary, fly a rotorcraft
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06-18-2016 05:08 AM  4 years ago
Copter Doctor

rrProfessor

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

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Ok so my frames made from lite ply proved to work very well so now I am using them as a template and cutting a set from G-10.
I utilized a few things form the original Roban frames like the servo tray and the bearing blocks for the tail rotor drive and tail boom assembly and gearbox. I mounts to the fuselage just the same way as the original and takes up the same amount of space. I got rid of the belt drive and pully and utilized the ol' main gear and pinion gear type drive train and added a clutch.

drive a rotary, fly a rotorcraft
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06-18-2016 05:34 PM  4 years ago
Mojave

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Palos Verdes, Ca. USA

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Looking good!
Barry
All helis and planes have an expiration date stamped on them...you only find it after you crash!!
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06-22-2016 02:43 PM  4 years ago
Copter Doctor

rrProfessor

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

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My mechanics sporting the new G-10 sideframes

drive a rotary, fly a rotorcraft
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06-23-2016 04:32 PM  4 years ago
Whopper Chopper

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Atlanta, GA

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Great work! Should we expect a production run of this frame set?
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06-24-2016 11:38 AM  4 years ago
Heli143

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Phenix City, Alabama

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Looking good Emile!

I know everyone is looking forward to completion of this build and it will be sweet!
Roy Mayoral
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06-24-2016 03:31 PM  4 years ago
TailKiller

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Panama City, FL

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Ooooh!! "Under Pressure" LOL...Dennis
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06-24-2016 10:00 PM  4 years ago
Copter Doctor

rrProfessor

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

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Great work! Should we expect a production run of this frame set?
Lol no, I may do a frame mod or two for a buddy or two but no production runs
drive a rotary, fly a rotorcraft
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08-14-2016 01:53 AM  4 years ago
Copter Doctor

rrProfessor

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

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well the 2017 nats are just around the corner so I need to get back on track with the Astar. I am making some more changes, (ya big surprise) I never liked the tube drive on this machine, very much the same on the trex series with the "spline" type end so I am changing it to the universal joint type. this allows me to angle things a bit between the mechs and the t/r gearbox. the roban gearbox proved to be a pain to remove so I removed it and installed the old trusty and proven miniature aircraft Xcell t/r gearbox. its compact and the direction can be reversed easily if needed. I also eliminated the internal tailboom and made the fuselages boom mounted using bulkheads.
the landing and taxi light housing is in place using the special material hidden in an empty cereal box

drive a rotary, fly a rotorcraft
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08-14-2016 02:45 AM  4 years ago
TailKiller

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Panama City, FL

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Holy Gear-train Batman!! I'm holding back questions pending further review of the photo's. At the moment my brain is overloaded.. lol Dennis
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08-14-2016 12:28 PM  4 years ago
TailKiller

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Panama City, FL

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Wow man. You never cease to amaze me with your modifications. So the shaft that the ball joint is attached to is flexible? How are you mounting the tail gear box so it's rigid? I can't help but feel I'm just not seeing something.Dennis
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08-14-2016 04:28 PM  4 years ago
Mojave

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Palos Verdes, Ca. USA

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The ball joint just allows some angularity or offset between the 2 gear boxes.
Barry
All helis and planes have an expiration date stamped on them...you only find it after you crash!!
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08-15-2016 02:01 AM  4 years ago
Copter Doctor

rrProfessor

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

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finished up the conversion (change) today and now the tailboom is ready to be re joined to the main body. then the mechanics are put in and she is ready for a test hop.

drive a rotary, fly a rotorcraft
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01-05-2017 11:43 AM  3 years ago
tintmaster

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Wichita, Ks. U.S.A.

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Whats the latest on this project Emile?Just call me Farmer Brown. 'Cause I know how to really plant 'em
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01-07-2017 02:57 PM  3 years ago
Copter Doctor

rrProfessor

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

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its coming along, nothing new really just flight testing to see if I have any other bugs to work out.drive a rotary, fly a rotorcraft
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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion Docs  A-star/Roban mechs
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