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HomeAircraftHelicopterAfter Market Accessories › T-REX 700N KDE Performance Tail Control Set
05-10-2011 05:56 PM  7 years agoPost 21
helibrat

rrApprentice

West Babylon, NY

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The stock tail on my 700 was sloppy- there was movement where the bearing holder and the tail rotor control arm met, creating an annoying, yet subtle wag. This upgrade took care of it and the tail is spot-on now. Very nice upgrade.

Gerry

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05-15-2011 09:42 PM  7 years agoPost 22
esmoglo

rrKey Veteran

Florida USA

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I ordered one last week it should be here Tuesday or Wednesday and I will install it (700E). I had the KDE V2 tail upgrade so all I needed was the control set. I must say it looks plenty cool now I hope it works as good as it looks.

Angelo

Ugly can be fixed stupid is forever!

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05-16-2011 08:35 PM  7 years agoPost 23
RobertAbles

rrApprentice

FT. Worth, Tx.

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Update from the weekend
I flew demos at two events this weekend burning about two gallons.

The new tail is ROCKIN' after about 4 gallons now.

I was also able to turn the tail gain on the vbar up 15% with zero wag. This is a tail gain of 110%!

Along with the new carbon push rod, this new tail is the best tail I have ever flown.

Keep up the good work KDE!

GAUI USA Team Pilot / Cyclone Blades / Scorpion Power Systems / MKS USA / Optipower / YS Engines

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05-16-2011 08:56 PM  7 years agoPost 24
helibrat

rrApprentice

West Babylon, NY

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I didn't think of upping the gain... I'll give that a shot too! Nice!

Gerry

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05-16-2011 09:36 PM  7 years agoPost 25
sluggo

rrElite Veteran

Kitchener Ont

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Thanks for the update!!! can you post pics of your setup with the carbon rod??? and where did you get the rod kit??

Thanks
Chris

Teambob00

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05-20-2011 04:52 PM  7 years agoPost 26
RobertAbles

rrApprentice

FT. Worth, Tx.

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I will have to take some pics.

The carbon rod is the new Align kit.

http://www.align.com.tw/shop/produc...roducts_id=3681

GAUI USA Team Pilot / Cyclone Blades / Scorpion Power Systems / MKS USA / Optipower / YS Engines

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05-20-2011 06:15 PM  7 years agoPost 27
sluggo

rrElite Veteran

Kitchener Ont

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Cool thanks Rob.

Teambob00

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05-24-2011 09:03 PM  7 years agoPost 28
esmoglo

rrKey Veteran

Florida USA

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This is mine instaled, I like it well worth the $$.

Ugly can be fixed stupid is forever!

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09-15-2011 09:23 PM  7 years agoPost 29
Salesmanheliboy

rrVeteran

Nashville, TN

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I have owned some high end helicopters and this tail mechanism is the best I have used.

Great Job Patrick and KDE.

Tim DiPeri

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10-13-2011 01:29 PM  6 years agoPost 30
PBusch

rrKey Veteran

Minnesota

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Anyone know why there is a version 2 out now?

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11-09-2011 03:28 AM  6 years agoPost 31
rcflyerheli

rrKey Veteran

Granbury, TX USA

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Ok first, I don't want to sound like I'm bashing the product, as I am running his tail performance upgrade on all of my helis with the kit tail grips and sliders. All of those are working great.

Now comes along this 700V2 with its original V1 tail grips. First, having already become familiar with the quality of the performance upgrades for my other helis, I ordered a set for my 700. Then after reading about the V1 spindle bolt problems and sensing that I don't want to take a chance on losing this beast because of that, I ordered the Align V2 tail. Then I find out about the problems with that.

So thinking that I would just go ahead and try to do the best for this heli, I ordered his new tail assembly to go with his performance upgrade.

Assembling the parts off the heli was free as could be. Installing his slider and bearings into the Align bushing was fine. No binding anywhere along the entire travel of the of the tail. Putting everything together resulted in an immediate constant binding as the slider moved along the tail shaft. So I started disassembling parts one by one to check them out. What I found was the intermediate link between the slider and the short pivot link had a definite top and bottom orientation. When I reversed it, now the slider became free along about 3/4 of the shaft. No matter what I did, it would bind up starting about 3/4 of the way towards the tail case side. When it reached full travel in that direction, it took a noticeable amount of force to get it to break free and start back out towards the hub.

Talked to the dealer from whom I purchased the assembly, and am working on either a fix or a return. I went back to the original Align slider and the KDE V2 performance upgrade, and it is smooth as it can be for the entire travel.

What I am seeing appears that the centerline of the pivot links are just a fraction of a hair off center vertically which puts a surface force on the O/D of the shaft and the I/D of the slider. That might be something that would resolve itself when running, but I'm not gonna chance a crash to find out. I've built 7 of my own tails, and two for a friend, and have not had one of them be as binding as this one is.

I would like to maybe get the two intermediate links and try to install them to see if it is just machining tolerances or what. The parts look fantastic, and I see the design benefits to remove any angular effects from the slider, but the binding just gets in the way.

Update:

I tried everything I could do to make this work with my 700. Got the V2A tail, installed the shim fix, got a new slide bushing, new tail shaft. None of these changes made a difference in the bindings between the slider and the shaft. In my efforts, I decided to look at a different tail assembly. I got the I2 tail and installed it with the previous shaft and slider bushing. I can't begin to compare the Align/KDE binding with the absolute smoothness of the I2. I like Patrick's products but in this instance it didn't work.

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11-23-2011 03:13 PM  6 years agoPost 32
PC12DRVR

rrKey Veteran

USA

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Id be willing to bet the issues some people are having with these upgrades is poor tolerances on the Align parts. If the pivot point is not right where it should be you will get some binding.

Mine works great no binding, so I guess I am lucky.

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04-18-2012 02:51 PM  6 years agoPost 33
Flyrover

rrNovice

Guangdong,China

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It looks very nice!

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HomeAircraftHelicopterAfter Market Accessories › T-REX 700N KDE Performance Tail Control Set
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