Model Boat Mayhem - Forum

Please login or register.

Login with username, password and session length.
Pages: [1]   Go Down

Author Topic: servo size  (Read 1307 times)

portside II

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 1,511
  • tugs at rest
  • Location: Howden.East Riding of Yorkshire.England Near the banks of the river Ouse
    • goole model boat club indi site
servo size
« on: March 10, 2010, 09:31:24 AM »

can you guy's tell me what servo's will i need to run the big schottels i have , as the standard ones have no chance .
Also will i need a seperate power supply to run them as the higher torque will require more amps.
daz
Logged
I like to build my boats to play with, not to just look pretty,so they dont !

malcolmfrary

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 5,456
  • Location: Blackpool, Lancs, UK
Re: servo size
« Reply #1 on: March 10, 2010, 10:39:28 AM »

You can get higher torque servos for use as sail arm servos, same size as standard, same throw, more pull, not quite as fast.  Also very good as wiring loom quality testers (found out the hard way), so a good power supply needed.
Logged
"With the right tool, you can break anything" - Garfield

Roger in France

  • Guest
Re: servo size
« Reply #2 on: March 10, 2010, 11:10:57 AM »

For Schottel drives and Voith-Shneider drives you will need powerful servos. You should also recognise that schock forces can be transferred back to the servos. Manufacturers of these units and kit manufacturers not only recommend powerful servos but they usually recommend ball raced servos.

Roger in France.
Logged

Timo2

  • Guest
Re: servo size
« Reply #3 on: March 10, 2010, 11:33:01 AM »

Hi All

     Ref Servo power etc.   Have a look at

                   http://www.servodatabase.com/servos/all
          :-))

   Timo2
Logged

tomo55

  • Guest
Re: servo size
« Reply #4 on: March 10, 2010, 12:28:07 PM »

Hi tec do some HS-645MG which are have a lot more torque than normal.same size though.might be worth looking at the servo shop website for inspiration.
Dont have to have sererate power source for them,but if you have to add ballast weight why not battery instead of lead.just a thought.
Chris
Logged
Pages: [1]   Go Up