Fun, Learning, Friendship and Mutual Respect START  HERE


Unregistered
Go Back   HeliFreak > R/C Helicopters > Main Forum - Helicopter Talk


Main Forum - Helicopter Talk R/C Helicopters and the people who fly them. VENDOR TOPICS DO NOT GO HERE. Full Scale Heli threads go in OT please


Reply
 
LinkBack Thread Tools Display Modes
Old 03-06-2013, 11:02 PM   #1 (permalink)
Registered Users
 
Posts: 1,161
 

Join Date: Jan 2011
Default Throttle return spring

Was wondering how many of you nitro guys are running one of these on your Helis?, Never ran one before until one of my friends at the field suggested I should'nt even fly my Rave without it or I would be risking the chicken dance of death.
So i picked one up and got it installed and it does what its supposed to, but now im wondering is it really necessary, am i placing undue stress on my throttle servo? seems like its working harder now making a bit more noise.
__________________
Trex 500 ESP(DFC) Ikon, Radix] [Goblin 700 CompBK, 4525, Ikon, Helix 695 ] [Rave ENV Nitro O.S 105-R,Ikon,Cyclone] Rave ENV Electric]Scorpion 4525,Ikon, Outrage, SAB [Goblin 500] Ikon Rails 516 ]Blade 180 CFX]Goblin 570 12S Xnova
Blade120 is offline        Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 03-06-2013, 11:55 PM   #2 (permalink)
Registered Users
 
Posts: 1,197
 

Join Date: Jan 2010
Default

They are a must IMO. I will not run any nitro rc with out one. The couple times I have forgotten about it has bitten me hard... The last one resulted in a chicken dance...

And no, you are not putting any more stress on your servo than your cyclic servos are experiencing in flight.
__________________
Airtronics SD10G, SK540
Synergy N5c, Novarossi .57 3DS
MAAC #85462
Down Low is offline        Reply With Quote Quick reply to this message
Old 03-07-2013, 12:00 AM   #3 (permalink)
Registered Users
 
Posts: 1,016
 

Join Date: Apr 2011
Default

I tried it and didn't like how it was putting a load on the servo and drained the battery.

imo not worth doing unless your crashing lots
__________________
Spending time, Paying attention
Bladefx is offline        Reply With Quote Quick reply to this message
Old 03-07-2013, 12:06 AM   #4 (permalink)
Registered Users
 
Posts: 1,197
 

Join Date: Jan 2010
Default

If it is draining your battery just sitting there...

1. Don't leave your heli on for that long...

2. You did not set it up right.

Keep in mind that when engine is runnning it is vibrating, the vibration will help things move so you don't really have to set them up to close your carb with everything just sitting there and off.

This has all been debated before on here some where. As with pretty much everything you end up with several camps of people.

IMO and experience it is unsafe to run a nitro heli without a mechanical throttle return of some kind and also IMO and experience it will not put excessive stress on your servo.
__________________
Airtronics SD10G, SK540
Synergy N5c, Novarossi .57 3DS
MAAC #85462
Down Low is offline        Reply With Quote Quick reply to this message
Old 03-07-2013, 05:55 AM   #5 (permalink)
Registered Users
 
My HF Map location
Join Date: Jun 2008
Default

I've got one setup on my T600N and working great!

The trick is to use a servo with very little resistance when unpowered, tail servos are good, in my exp Align DS620 works just fine
Zbawer is offline        Reply With Quote Quick reply to this message
Old 03-07-2013, 11:15 AM   #6 (permalink)
Registered Users
 
Posts: 1,161
Thread Starter Thread Starter
 

Join Date: Jan 2011
Default Re: Throttle return spring

Great thanks for the input, running an align ,620 mine as well, will go ahead and keep the spring in place


Sent from my DROID RAZR using Tapatalk 2
__________________
Trex 500 ESP(DFC) Ikon, Radix] [Goblin 700 CompBK, 4525, Ikon, Helix 695 ] [Rave ENV Nitro O.S 105-R,Ikon,Cyclone] Rave ENV Electric]Scorpion 4525,Ikon, Outrage, SAB [Goblin 500] Ikon Rails 516 ]Blade 180 CFX]Goblin 570 12S Xnova
Blade120 is offline        Reply With Quote Quick reply to this message
Old 03-07-2013, 11:21 AM   #7 (permalink)
Registered Users
 
Posts: 1,016
 

Join Date: Apr 2011
Default

had a very similar set-up to zbawer.
burned out 1 tail servo using a spring then I switched from a 620 to a 610 but the current drain cost me 1 flight per rx pack charged. I went from 6 flights down to 5 flights. excessive load maybe not but it is still a load none the less

next best thing is to use a push/pull setup on the servo throttle arms and set-up your failsafe.
__________________
Spending time, Paying attention
Bladefx is offline        Reply With Quote Quick reply to this message
Old 06-06-2015, 11:26 PM   #8 (permalink)
Registered Users
 
Posts: 2,846
 

Join Date: Aug 2013
Default

Well clearly I'm not the first to think of a return spring but honestly if it means I get one flight per Rx pack I really don't care. In running a few 3s 1800's attached to a ccbec pro regulating at 6v. I also managed to squeeze in my spare ultragaurd. So with the throttle spring hopefully I don't have to worry about my bird flying away on me.
__________________
Logo 700 | Logo 600 | Logo 550 | VControl.
jbaum81 is offline        Reply With Quote Quick reply to this message
Old 09-26-2016, 02:28 AM   #9 (permalink)
Registered Users
 
Posts: 592
 

Join Date: Jul 2008
Default

I would l think with the new HV and high torque servos this isn't a problem any more and a spring is a good idea.
__________________
Goblin 770, Goblin Nitro, Goblin 420 Many come and gone but all V-bar'ed!
hydev is offline        Reply With Quote Quick reply to this message
Old 09-26-2016, 03:47 AM   #10 (permalink)
Registered Users
 

Join Date: Aug 2010
Default

My gasser always had a spring. I ran a cheap cyclic servo onit which i plan on using on a nitro build this winter. The spring dies nit need to be super strong. It just has to have enough tension to close the throttle. Cyclic servos are unter a much higher load for longer periords of time so the spring should be fine on your throttle servo. Just my opinion though.

Sent from my SM-T210R using Tapatalk
__________________
B400(retired),Mini Titan V1(Retired),Radikal G20 (scrapped),Align T-Rex 500pro DFC,Synergy E5s
Digger1973 is offline        Reply With Quote Quick reply to this message
Old 09-26-2016, 03:58 AM   #11 (permalink)
Registered Users
 
Posts: 592
 

Join Date: Jul 2008
Default

That's my view, a cyclic servo (MKS HBL) these days is very strong so I'm not worried about it. More worried about an open throttle on a nitro.

Mike
__________________
Goblin 770, Goblin Nitro, Goblin 420 Many come and gone but all V-bar'ed!
hydev is offline        Reply With Quote Quick reply to this message
Old 09-26-2016, 05:40 AM   #12 (permalink)
Registered Users
 
Posts: 525
 

Join Date: Jul 2012
Location: EU
Default

Where can I find a dedicated spring for my 600N?

Sent from my HTC One using Tapatalk
__________________
Trex 550L Trex600N Trex500 Heli-X DX8 iCharger Spirit
Ignatjev is offline        Reply With Quote Quick reply to this message
Old 09-26-2016, 06:26 AM   #13 (permalink)
Registered Users
 

Join Date: May 2014
Default

Quote:
Originally Posted by Ignatjev View Post
Where can I find a dedicated spring for my 600N?

Sent from my HTC One using Tapatalk
I just went to a local hardware store and bought a box or mixed springs.
Baedarlboo is online now        Reply With Quote Quick reply to this message
Old 09-26-2016, 10:56 AM   #14 (permalink)
Registered Users
 
Posts: 3,370
 

Join Date: Jan 2010
Default

Go to the local hobby shop and look at their buggy / truck springs.

BTW: A tail rotor servo draws less total power as a throttle servo with a return spring than it does working as a tail rotor servo while you are flying.
The return spring's tension is no where near the force of the tail rotor during a simple hover.
ticedoff8 is offline        Reply With Quote Quick reply to this message
Reply




Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the HeliFreak forums, you must first register.
Please enter your desired user name, your REAL and WORKING email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself. Use a real email address or you will not be granted access to the site. Thank you.
Email Address:
Location
Where do you live? ie: Country, State, City or General Geographic Location please.
Name and Lastname
Enter name and last name here. (This information is not shown to the general public. Optional)
Helicopter #1
Enter Helicopter #1 type and equipment.
Helicopter #2
Enter Helicopter #2 type and equipment.
Helicopter #3
Enter Helicopter #3 type and equipment.
Helicopter #4
Enter Helicopter #4 type and equipment.

Log-in


Thread Tools
Display Modes

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On




Copyright © Website Acquisitions Inc. All rights reserved.
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.

SEO by vBSEO 3.6.1