RunRyder RC Helicopter Topic - Pantera push rod

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Audacity Models Pantera 50 - Tiger 50 > Pantera push rod

loop boy
Heliman
Location: n.e.lincs united kingdom

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Hi all

Quick one has anybody put the pushrod down the side instead of straight down the boom,in other words mounted the servo on the outside instead of the inside?Did you have any issues with this method?I have done this and had no problems till today,ive realized with hard flying the guides are moving to the inside and putting extra load on the servo and causing a slowed response.
Kind regards all(my fit is prety much as the raptor tail fit)

Regards

10-14-2009 07:46 PM

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MartyH
Elite Veteran
Location: Cincinnati

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You can position them anyway you want. The goal though would be to limit side loading so if the pushrod is doing anything but sliding back and forth it would behoove you to correct the geometry. I'm using a set of my Pantera guides on a Raptor myself.

Marty,
Raptor 90 3D, Freya and more

10-14-2009 08:03 PM

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wthford
Veteran
Location: Monticello, Illinois

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I guess my question would be why? It's a straight shot from the servo horn to the input on the TR setup with the servo faced in.

The one mod that does have merit is the mounting of the tail servo in the front slot left for landing gear. The Pantera is a little tail heavy, so the thinking is that moving the tail servo to the front will allow balancing without adding weight. There are a couple of threads not too far back showing a nifty setup using a pivot point. I can't find it, maybe one of the other guys can remember.

How can I soar with the Eagles when I work with turkeys??

10-14-2009 08:12 PM

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loop boy
Heliman
Location: n.e.lincs united kingdom

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hi all

Hi martyh i new you would be out there somewhere!Ive ca'ed the tail guides back into there original posistion and the tail is silky smooth like my 700 so with them held firmly in place with ca i should get no more movement.The reason i did or used this method was because
1-could not get ball link over servo arm wich also did not fit in space.2-pushrod lenght was way to long to the point that if i shortened it i would have to rethread it.3-in all likely hood a smigen of lazyness as i could have just shot a carbon rod down the centre and used a bls 251 with a smaller wheel if am being truthful

Regards all

10-14-2009 08:30 PM

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MartyH
Elite Veteran
Location: Cincinnati

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That reminds me....I had a pushrod in one of my kits that was too long. I had to actually cut it down. I remember discussing that with John. I guess you ran into that as well. Anyway, as long as you have good geometry and no binding, you should be good to go. Remember the typical tail specific servos do not offer a lot of torque so don't use it all up in poor setup. Satisfy yourself by removing the pushrod from the control horn or the horn from the servo and cycle the tail back and forth by hand to gauge the force needed.

Marty,
Raptor 90 3D, Freya and more

10-14-2009 08:38 PM

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loop boy
Heliman
Location: n.e.lincs united kingdom

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Hi

You are bang on that extra drag or resistace was putting the tail servo under extra unwanted stress,detatched she glides, attatched she glides, so problem solved for now.Lets hope the thick ca holds(it should)

Kind regards

10-14-2009 10:40 PM

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Mr.HillBilly
Veteran
Location: Salesville, OH - USA

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The mod you are thinking about was done by Gus (The Dude II), I do not remember the post but he has his rudder servo mounted in the throttle servo spot and then moved the throttle servo in front of the motor. Then he has a servo horn mounted as a pivot point back across where the rudder servo was mounted with a CF rod.

Drop him a PM he will know the post and link you to it.

10-15-2009 01:54 AM

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piper22
Heliman
Location: Monticello,MN,USA

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Check out kazager gallery also. He has some pictures of this mod.

10-15-2009 04:45 AM

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julian46
Heliman
Location: Toronto, On, Canada

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I moved mine to the inside (when I realized thats where is was designed to go - I got the heli 3rd hand)

the tail seems to be smoother (straighter path - less binding etc)

10-15-2009 10:59 AM

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MartyH
Elite Veteran
Location: Cincinnati

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I'd like to see pictures of that front tail servo pivot. I remember that thread back when but couldnt find it with a search. It's a great idea to protect the servo. However, I mounted my servos inboard from the very first Pantera I built and they stay clean and dry. Balance would sure be helped moving it up front.

Marty,
Raptor 90 3D, Freya and more

10-16-2009 11:59 AM

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kazager
Senior Heliman
Location: Waldorf, MD - USA

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I know someone else did a mod using stock parts for the most part, but this was mine.

http://www.runryder.com/helicopter/t532028p1/

10-16-2009 01:14 PM

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The Dude II
Veteran
Location: Martinsville, IN - USA

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