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Hitec RCD ProModeler
slickporsche

Veteran

American/Philippines

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Is there anywhere to purchase turnbuckles made to order, or for helicopters, like those made for rc trucks and cars?

01-19-2017 04:09 AM
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mr dan

Veteran

Stockton Calif

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Go to amainhobbies.com and type in turnbuckles. If you know the length and diameter you can find what you need. I bought a set of losi turnbuckles and used them on my heli for the pitch links. Worked out perfectly. I have a set on my Align 700x.

"R.I.P Roman" Citizen 0094 in the Nation

01-19-2017 04:56 AM
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Ace Dude

rrProfessor

USA

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I used these turnbuckles on my most recent build. Seem nice and lots of sizes available. Made in the USA too!

http://www.lunsfordracing.com/mm5/m...egory_Code=TURN

  

01-19-2017 05:05 AM
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slickporsche

Veteran

American/Philippines

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Turnbuckles for Helicopter

Thanks guys! I will check it out. I totally forgot about Lunsford.

01-19-2017 08:41 AM
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Dan Minick

Key Veteran

Columbus, WI

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FBL Rotors has many sets premade. He uses lundsford turnbuckles custom made for the helis he makes them for. What helis are you looking for?

Team Synergy, Team FBL Rotors---Formerly Dyecocker1-------if its not broke...it will be!

01-19-2017 12:38 PM
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chopper37

Veteran

FL350

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+1 on Ace Dudes suggestion, all sizes us/metric been using them for yrs

01-19-2017 12:44 PM
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Heli 770

rrProfessor

Lemon Grove, CA.

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Best thing about the Lundsford's is free replacement if you bend one!

01-19-2017 02:27 PM
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chris6414

Senior Heliman

Sneads Ferry, NC USA

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Link locks

Does anyone know if someone has developed a link lock? Meaning a mechanism that if the ball link popped it would still remain attached to the ball shaft/swash albeit sloppy on the inside vice popping off with zero control. Truck turnbuckles with their bolt through links that are flared on both sides of the ball would probably work. You would just need a slightly larger washer for the outside so if the link popped off it would be stopped by the washer to keep it from coming totally off the link. I just don't think the current truck balls would allow enough movement of the link itself in our helicopters due to them mounting flush. Just an idea. I crashed once when a worn ball popped off in flight. Yes, totally my fault and should have changed it earlier. If I recall it didn't seem loose on the pre-flight

Something like these. I may put together a set to if it will work.

https://www.rcplanet.com/Traxxas_Ho...s_p/tra5355.htm

Century Hawk Sport, OS .32, Futaba 7C, GY-601 9251
Predator Gasser SE G-23 JR gyro/servo

01-19-2017 03:15 PM
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Heli 770

rrProfessor

Lemon Grove, CA.

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Like these...


A long time ago they used to make stamped cone washers just to keep the ball link on, I don't think they sold very well.

01-19-2017 06:23 PM
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Dan Minick

Key Veteran

Columbus, WI

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A long time ago they used to make stamped cone washers just to keep the ball link on, I don't think they sold very well.
That is an airplane thing, still widely used

Team Synergy, Team FBL Rotors---Formerly Dyecocker1-------if its not broke...it will be!

01-19-2017 11:15 PM
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Heli 770

rrProfessor

Lemon Grove, CA.

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Are you thinking about the photo or stamped washers?

01-19-2017 11:27 PM
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nappyroots2182

Elite Veteran

Moline, il

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I put a washer under the head of the bolt. But I don't think it's really needed. If nothing is binding and you just check the links on occasion I haven't had any troubles

01-19-2017 11:30 PM
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wjvail

Key Veteran

Meridian, Mississippi

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Miniature Air used to make turnbuckles for their kits. I played with them some but found that I didn't really need them. Once I carefully built my helicopter and made small adjustments to a link or two, they served no purpose.

I would be careful or using Titanium turnbuckles. They fatigue differently than steel, only save a gram or two, and cost more to loose.

The one major reason to use turn buckles on our helicopters is that they allow an adjustment of less than 1/2 turn. To me this would be the only reason to use them on our models. I'll admit - there have been times when adjusting tracking I found a 1/2 turn was too large an adjustment - but those time are rare.

"Well, Nothing bad can happen now."

01-20-2017 12:35 AM
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Gearhead

rrMaster

Vt

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Turnbuckles for Helicopter
LOL funny

^^^sounds like the name of a "Heli Awareness Group" or a Heli Club's name

LOL

Jim
Buzz Buzz Buzz

01-20-2017 02:59 AM
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JuanRodriguez

Elite Veteran

The Villages, Florida

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What we've done over the years is to replace ONE Xcell ball link with a RocketCity ball link..... the latter allows adjustment to 1/2 a turn since they can be installed on the ball from either side of the link...

Works every time to get that perfect adjustment.....

Been there, done that and old enough to know better.....

01-20-2017 01:14 PM
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icanfly

Elite Veteran

ontario

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I use the 3mm ones from cars and truggies on my 500 and larger helis when they're the proper length. Smaller helis I go to http://www.helioption.com/store/

02-01-2017 05:31 PM
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