The Rudder Servos

by Web FishApr 16, 2013 @ 06:31pm

Rudder control servomechanisms. Control the position of each of the four rudders of the vessel.

  • Current selection: 4 x Hobby People HP-A38N
  • Status: Undecided (under testing)

  • Criteria: Cost, size, reliability, ease of control by Netduino (PWM)
  • Finalists: Hobby People HP-A38N, Hitec HS-322, Airtronics 94102 
  • Main decision factors: Cost

 (click image for larger view) 

Spec highlights:

  • Weight: 38g (1.34oz)
  • Speed @ 4.8V: 0.20 sec
  • Torque @ 4.8V: 3.4 Kg-cm (47.2 oz-in)
  • Dimensions (mm): 40 x 20 x 36

 

Caveats:

  • Water-proofing the enclosures. Going with servo-arm seal boots glued on to control arms;