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AlignRC Thunder Power RC
donnie170

Senior Heliman

troy, AL.

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I finally got a chance to finalize my design for a clutch to use in the Roban mechanics.
I have about 5 flights so far on the Jayhawk / Blackhawk mechanics. I have plans on installing one in the 412 and the 407 in the next few weeks.

07-13-2016 03:49 PM
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BarracudaHockey

rrMaster

Jacksonville FL

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SWEEET

Andy
AMA 77227
http://www.jaxrc.com

07-14-2016 02:02 PM
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coptercptn

Elite Veteran

Mesa AZ. USA

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Nice!!! Love the clutch!!!

Home of the "Sea Cobra".....

07-14-2016 03:42 PM
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donnie170

Senior Heliman

troy, AL.

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Thanks Andy and Jim.
The plan is to have one in every machine by Dalton.

Donnie

07-14-2016 05:10 PM
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eiichivr

New Heliman

tamano.okayama,japan

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A good clutch.
Regrettable one is in ROBAN-Japan, mechanics only version 2.

It comes to the shaft. Secondary of the mount.

07-14-2016 06:29 PM
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donnie170

Senior Heliman

troy, AL.

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Where is the clutch located? It looks like the drawing is for the motor shaft support bearing.

07-14-2016 07:39 PM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Hey Donnie, that looks great! It looks like you machined your own clutch from aluminum round bar stock? Who's liner material and shoe are you using?
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

07-15-2016 01:07 AM
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donnie170

Senior Heliman

troy, AL.

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Hey Barry
You are right. I made the majority of It out of barstock. I use a 700 nitro clutch that I modify and so far I'm using standard liner material.
On the one I'm putting together now I'm trying a new liner material so if it works I will let you know what I'm using.
Donnie

07-15-2016 02:48 AM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Very cool! Your set up looks a lot like Emile's clutch mod, except for your making your own clutch bell. I think Emile used miniature AC clutch.

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

07-15-2016 03:12 AM
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old nitroman

Senior Heliman

Naples florida

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Very cool

E5s and E7se, Roban bell 222 800 superscale,450 bell 4 bladed head,gobby 380,180cfx

07-15-2016 01:47 PM
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eiichivr

New Heliman

tamano.okayama,japan

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Hi donnie170.

I There are definitely in question.
Clutch system is not equipped with.
Explanation was insufficient. I'm sorry.
In version 2, it will have a bearing on the tip.
But it was possible by removing it. Excuse me.

07-15-2016 02:23 PM
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donnie170

Senior Heliman

troy, AL.

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Barry
The first one I made used a align clutch bell. I installed it in the AS-350 mechanics and they are different than the other low profile mechanics that are used in the fuselages that have an open cabin under the mechanics.
I needed to make the clutches as compact as I could to keep them out of the cabin. By making my own clutch bells I was able to shorten it by about .375. they will still extend into the cabin but depending on the fuselage I'm guessing it will be about a quarter inch or less. You can see how far the clutch is below the side frames in one of the pictures.

Donnie

07-15-2016 05:01 PM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Yeah, keeping it out of the cabin area is a plus. Just out of curiosity, I'd like to see the breakdown of the clutch, do you have the pulley pinned to the bell, or press fit? Is the shoe hung on a custom mandrel?
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

07-15-2016 05:30 PM
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donnie170

Senior Heliman

troy, AL.

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Barry
I will take a pic of the parts. The pulley is pressed then pinned with a setscrew to the bell. The clutch is on an adapter that locks it on the shaft.

Donnie

07-15-2016 07:59 PM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Roger that, thanks. Looking forward to seeing the piece parts. Here are pics of the one that Emile did for his A-Star. I'm pretty sure he had to machine the adapter too. Not sure if he pinned his pulley. Cool stuff...
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

07-16-2016 01:05 AM
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Copter Doctor

rrProfessor

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

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Great thread

Nice job Donnie.
Yeah I used miniature aircraft parts from the xcell line of helis to do my conversion, I had the parts in my box "O" stuff and it was quicker than machining my own, I did machine the adaptor on the fisrt version did but as you know everytine I do one, I find a way to do it better and only boring out the small pulley was needed on the newer way of doing things. after I did mine on the mechanics for my Astar when I got it last year, I did it to the roban 429 Roy got. I came up with a way to keep the motor in its original spot and the clutch assembly is only slightly in the cabin area but not enough to be noticeable,
I eventually redesigned my mechanics to get rid of the belt and pulleys. I think we all agree that Scale electrics with a clutch should become a std in the industry, Maybe Roban will decide to listen to that advice after all if a rep jacks them up about it

drive a rotary, fly a rotorcraft

07-16-2016 05:35 PM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Yeah, agreed. A little off topic here, but I bought a set of Vario's turbine/electric mechs and there is no provision for a clutch. The actual turbine mechs have a clutch, but the electric version doesn't. So, I've been working on a way to convert them... OK, back on topic...
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

07-16-2016 06:02 PM
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donnie170

Senior Heliman

troy, AL.

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Barry
this is a pic of the parts used. A couple of them still need to be drilled and tapped.

07-17-2016 02:10 AM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Hey Donnie, thanks for the pics, very nice. I see that you utilized a main shaft collar too. Does it go between the motor and the shoe?
I'm assuming that the one aluminum piece is a stepped down adapter for the shoe. I love it when people tell you that something can't be done... Where there's a will, there's a way. Nice work!
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

07-17-2016 04:52 AM
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donnie170

Senior Heliman

troy, AL.

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Barry
I made the small collars to replace the snap ring when you change the shaft in the motor.
Emile
I'm willing to give up a little cabin space in order to have a clutch.

Donnie

07-17-2016 03:23 PM
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