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Other › CDE push rod & canopy inteference
02-09-2006 02:03 PM  12 years agoPost 61
hootowl

rrProfessor

Garnet Valley, Pa.

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Actually not a bad idea. The SE has no push pull at all.

Wolves don't lose sleep over the opinions of sheep

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02-09-2006 02:44 PM  12 years agoPost 62
Lorents

rrElite Veteran

Oslo, Norway

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Oh, feels really wrong to remove the push/pull arms... but I agree why is it on only two of the links (the answer is probably that they could not find an easy way to add push pull to the last one).

Lowandslows method sounds too easy to be true - but I will try it out before cutting the poor thing



What comes around goes around.

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02-19-2006 01:43 PM  12 years agoPost 63
hootowl

rrProfessor

Garnet Valley, Pa.

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I know many of you will disagree with this solution but I don't believe the pushpull is worth the aggrivation. Besides, all the carbon frame versions are direct... no pushpull. This is actually better for your servos as it mildly cushions the servo with slop. By the way there is almost no slop in my setup here.

Get a pair of dikes and lop off the top half of both arms.

Saves Weight! Less Friction, Problem Solved!

Wolves don't lose sleep over the opinions of sheep

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02-19-2006 06:38 PM  12 years agoPost 64
maximjd

rrNovice

SLC, UT, USA

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I must have got lucky as I used the default canopy post location and I get zero rubbing. I am however using Futaba S3110's and they're little buggers. The stock Futaba arms stink, but I used some arms from a GP Flatout foamie I have, trimmed them down and redrilled for the ball links and they work great.

LOL about the tunnel vision remark, so true...

J

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02-19-2006 06:49 PM  12 years agoPost 65
Jay Mowl

rrApprentice

Owosso Mi. USA

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Hootowl! Yes it looks like a good idea but in time you will be replacing your servo cases and or servos. The pushpull design keeps equal pressure on the output spline shaft. If you notice, when you put pressure on the swash it will actually move the sevos in the mounts. I think you will find yourself going back to the stock setup. The reason the SE has no push pull is because the servos are mounted directly under the swash (ECCPM)

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02-20-2006 01:59 AM  12 years agoPost 66
hootowl

rrProfessor

Garnet Valley, Pa.

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So the servos will hold up fine on the SE but not any other non-pushpull application? I don't agree with that. The setup I have now it takes very little effort to move the linkage with the servo disconnected and the eccpm shared servo advantage is still there.

What these servos can't handle is strong resistance as in canopy interference or a crash. The metal gears should help out immensly and I no longer have interference.

Problem solved.

Wolves don't lose sleep over the opinions of sheep

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02-20-2006 02:25 AM  12 years agoPost 67
darkfa8

rrElite Veteran

Brick, NJ - USA

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from CE's site:
Full Push-Pull control system with thicker rods eliminates play as well as shear forces to the servo.

The Push-Pull system transfers the torque of the servo directly to the levers. This eliminates the shearing force that wears out the servo bearings when they take lateral forces. Thicker rods prevent the rods from bending under compression.
http://www.carbonxtreme.com/Product...vantEFX/promo1/

- Dan Goldstein
Team Revolectrix

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02-20-2006 02:47 AM  12 years agoPost 68
hootowl

rrProfessor

Garnet Valley, Pa.

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Yes I know push pull is easier on servos.

Again, the SE uses no push pull.

They call it Superior


Plus with my flying ability, this heli has a lot more things to worry about than servo breakage

Wolves don't lose sleep over the opinions of sheep

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02-20-2006 03:58 AM  12 years agoPost 69
Jay Mowl

rrApprentice

Owosso Mi. USA

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I honestly don't mean to insult your intelligence here or anything of that nature but the SE servos are NOT mounted in the same way as the CDE version. You keep refering to the SE which has nothing to do with push pull. Anyways, good luck with that setup and happy flying

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02-20-2006 05:11 AM  12 years agoPost 70
Vaigod

rrVeteran

Palm Beach, Florida

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DAMN!!! That is one hell of a hole!!!

-=Artti
T-Rex 450SE / T-Rex 600 / JR 9303
Rap50 Titan-OSHyper MP2 GV1 / Rap90SE OS91 MP2 GY611

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02-20-2006 09:56 AM  12 years agoPost 71
hootowl

rrProfessor

Garnet Valley, Pa.

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Jay,

Insult my intel you won't do. I don't mind being wrong but please explain why you believe the SE mounting is easier on the servo than my setup, from a side bearing load perspective.

In fact many have stated having some linkage between the servo and the swash helps protect the servo.

In any case Align was not consistant with the CDE design in that the elevator linkage is not push pull in stock form.

In the end I guess I'll find out. There are others running this way with success.

Wolves don't lose sleep over the opinions of sheep

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02-20-2006 01:45 PM  12 years agoPost 72
Bkahuna

rrNovice

Westerville, OH

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Although I've owned many planes both nito and electric, this is only my 2nd heli and I'm VERY frustrated with the design of the stock Trex XL. Heating up the canopy to MAKE it fit is really poor. I personally would not recommend a Trex to anybody at this point.

I sure hope they come out with a fix soon!

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02-20-2006 01:57 PM  12 years agoPost 73
exeter_acres

rrApprentice

Johns Creek, GA

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Hootowl....I like it... I always thought the control linkage was a bit of overkill....

and Jay...I too am curious how the shear power is different on the SE......

honestly looking for some proof....

I'm old, bitter, and don't like people.... get over it

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02-20-2006 02:55 PM  12 years agoPost 74
hootowl

rrProfessor

Garnet Valley, Pa.

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Bkahuna,

I would have to agree about the poor quality. They purposefully make it very good looking with the blue anodizing bling... all the carbon and mods but in stock form whatever model you get it's a poor example of fine machinework and construction.

On the other hand if you do the right things this birdie flys quite well and is cheap to fix.

I would not go as far as not recommending it as it can be made into a nice heli.

Wolves don't lose sleep over the opinions of sheep

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02-20-2006 07:42 PM  12 years agoPost 75
Bkahuna

rrNovice

Westerville, OH

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Ok, Here is what I found out...

If you have the CDE version and you are using HS-56 servos your going to have issues with the canopy.

Options are...
1) Buy HS-65 servos. Thery are lower profile servos.
2) Strech or cut the canopy.

I guess I'll modify the canopy as I don't want to spend another $75 in servos.

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02-20-2006 11:51 PM  12 years agoPost 76
darkfa8

rrElite Veteran

Brick, NJ - USA

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or you can buy GWS Naro Fast High Power servos for $15.75/ea, are also low profile and are faster and put out nearly as much torque as the hs56 servos.

- Dan Goldstein
Team Revolectrix

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02-21-2006 12:41 AM  12 years agoPost 77
hootowl

rrProfessor

Garnet Valley, Pa.

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Is GWS any good? I started helis with a GWS 22D dragonfly and wasn't impressed. They sell a lot of their stuff to newcomers. They barely can take off with their own weight.

But Dan, for cheap, if they work and hold up reasonably well I guess you can't go wrong. Heck these higher dollar JR's aren't that great.

Wolves don't lose sleep over the opinions of sheep

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02-21-2006 12:45 AM  12 years agoPost 78
darkfa8

rrElite Veteran

Brick, NJ - USA

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i'm anal, i'm a research freak, and there are so many servos out there. if you have a bad servo, you'll prolly tell 10 people about it, if you don't have any bad servos, you prolly won't say anything about them.

since the internet only represents a small percentage of rc users, and a few bad ones get voiced on here, i'm just gonna take the plunge based on the numbers and some positive reads on the GWS Naro Fast High Power servos and just get them.

if they crap out, i'll live and learn, if not, then i'll just be flying

- Dan Goldstein
Team Revolectrix

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02-21-2006 12:53 AM  12 years agoPost 79
Bkahuna

rrNovice

Westerville, OH

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Ok, I went out and purchased the HS-65 servos. the size difference is nominal and and so the canopy still does not fit. Plus I tried the hair dryer idea and warped my canopy. I give up!

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02-21-2006 01:01 AM  12 years agoPost 80
darkfa8

rrElite Veteran

Brick, NJ - USA

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i've never built a balsa model, but geezz, gotta use finesse to the extreme with these models...

if the model's were built to higher quality, majority of people wouldn't be able to afford them from the get-go.

if you give up because you can't get your canopy to fit, you try another model and you'll surely find other problems that you'll make into excuses to just quit.

if you want something that is done, fitted and flyable, buy a Trex or micro heli that is already setup by someone else.

- Dan Goldstein
Team Revolectrix

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