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HelicopterScale Model RC Helicopters › Mechanics recommendations for a Vario BK117
08-03-2011 01:35 PM  6 years agoPost 1
Frank Bostwick

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Cincinnati Ohio

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I was looking at east coast, the vario BK117
What mechanics fit this kit well?

RIP ROMAN

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08-03-2011 02:31 PM  6 years agoPost 2
Christopher J

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Kansas City, MO Californian lost in land of Oz

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Vario Benzin mechs.

Christopher J
same as I ever was
"Still all set & Flying the original"

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08-03-2011 02:34 PM  6 years agoPost 3
Frank Bostwick

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Cincinnati Ohio

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I should have thought of that right off!

I was really looking for options
Century predator/Tr700/etc.....

I am hoping a predator 90 works well

RIP ROMAN

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08-03-2011 05:01 PM  6 years agoPost 4
Mojave

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Palos Verdes, Ca. USA

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IMHO, the easiest, fastest, hassle free build for that kit would be if you use the vario mechanics. The heli is designed around them. It will save you many hours of frustration. Plus, I have a NIB Benzin kit for sale But all kidding aside, that is the way to go. Just my .02
Barry

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

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08-03-2011 05:46 PM  6 years agoPost 5
Frank Bostwick

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Cincinnati Ohio

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I totally understand your position. However its a matter of if this could be a viable project for me or not. Right now, I could swing the fuselage kit or, for that matter the recommended mechanics. It may be a long time until I could come up with the other "half". But if it works well with mechanics in hand, its a much more doable project.
Id like to go Vario for the quality but at this point an all Vario kit is out of reach....

RIP ROMAN

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08-03-2011 05:50 PM  6 years agoPost 6
Dr.Tim

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Mojave Desert

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Other Mechanics will work just fine .. Keep in mind that you will have to modify the woodwork to fit your mechanics. May be as simple as adding a shim

Dr.Tim

From Simple minds come simple ideas! Approach Engineering

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08-03-2011 05:56 PM  6 years agoPost 7
Heli143

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Phenix City, AL

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I obtained a Vario A109 and thought about installing my predator mechs in it. But, the mechs sit high on the woodwork and it does not line up with the tailboom at all.

So this is one I will really have to think about or just save my pennies and find a set of vario mechs that will make the install easy as pie

Roy Mayoral

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08-03-2011 05:59 PM  6 years agoPost 8
Copter Doctor

rrProfessor

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

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i agree with Dr.Tim and Barry has a good point as weII.
however, i have an oIder vario EC135 fuse and aIso a vario dauphin that host predator mechs. buiId your wood mounts to suit and you wiII be fine. not a drop-it-in and go as with the vario mechs though but as you said, a bit pricey that route especiaIIy if you haver a pred aIready

drive a rotary, fly a rotorcraft

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08-03-2011 06:02 PM  6 years agoPost 9
Frank Bostwick

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Cincinnati Ohio

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Ding! always like to hear what I wanna hear!
Need to get back on my MD500/pred/ele conversion
but this will be next in line.
Ill have one Pred. A/f left after that for scale ship 3

RIP ROMAN

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08-03-2011 06:12 PM  6 years agoPost 10
Heli143

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Phenix City, AL

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Hi Emile,
I see what you are saying...

First I need to finish a couple of projects and sell off a couple of my birds before I try and tackle the 109

Thanks!

Roy Mayoral

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08-03-2011 06:22 PM  6 years agoPost 11
Mojave

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Palos Verdes, Ca. USA

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All good advice, here's a little more. IMHO, it is the best of both worlds when you pick mechs that have TQ tube tail drive. That way you can always adapt one of Dr Tim's contour drives (shameless plug) It greatly simplifies the tail drive issues. Then the remaining problems will be doghouse clearance, mechanics height etc.. Hope it works out for you. Budget is always the constraining factor with any heli...
Barry

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

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08-03-2011 06:27 PM  6 years agoPost 12
Frank Bostwick

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Cincinnati Ohio

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Yea you said that (budget constraints) Wish it weren't so....

RIP ROMAN

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08-03-2011 07:52 PM  6 years agoPost 13
Copter Doctor

rrProfessor

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

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i do aII my machines on a budget which means simpIestand most economicaI way possibIe
here are my two vario/pred modeIs with some ideas about the wood mounts

drive a rotary, fly a rotorcraft

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08-03-2011 08:12 PM  6 years agoPost 14
Frank Bostwick

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Cincinnati Ohio

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You guys always got the goods
thanks

RIP ROMAN

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08-06-2011 09:33 PM  6 years agoPost 15
kglassman

rrApprentice

Phoenix Arizona USA

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I use a two part carbon shaft/dog bone to drive the 40 degree tail gear box. Then I use the same system from 40 degree gear box to the tail gear on my Vario BK117 using the carbon shaft and dog bone connectors as a complete system.

With one short shaft from the Sky Fox Mechanics to the back of the Fuse then the second shaft supported with a bearing thru to the tail to the tail gear box the alignment is not critical. Also installing and removal is better with the short shaft at the mechanics dropped out of the way!

It don't take much room to put the short shaft in then bolt down the mechanics.

Also if the top of the mechanic braces were able to swing out of the way it's a plus also. Just my Idea of mounting. I did it my way...

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