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Corona servos

Posted: Sun Jan 31, 2010 12:23 pm
by lightning
The price is right (compared to Hitecs) at $40.80 for four!
Has anyone tried these as a substitute for Hitec HS82/85MGs?
http://www.bphobbies.com/view.asp?id=D3 ... d=D3925415
With Hitec service no longer being what it was I think I'd like to try something a little (lot?) cheaper.

Re: Corona servos

Posted: Sun Jan 31, 2010 5:00 pm
by David Drowns
Haven't tried that one. the price is right but I'd be careful where you put something with less than standard torque (42 oz @4.8V) Here is what we found for about $20.00 ea. Metal gear, ball bearing, and get this..75 oz. torque at 4.8V.

Mighty Micro 2BB MG
http://www.servohut.com/HTML/micro_series.htm

Pros. High torque, "Loud" metal gears(easy to locate in the jungle by wiggling the sticks) Good price.

The horns are a little brittle(the weakest link on this servo), Farley short lead, Rotation a little less.(made up for by torque) Not as light as some micro servos.(it's all there)

Re: Corona servos

Posted: Sun Jan 31, 2010 5:15 pm
by lightning
David, I have been using Hitec HS82MGs in a dual servo aileron configuration for a couple of years. At 39 oz/in on 4.8volts, they are 3oz/in less than Hitec HS85MGS which I have been using for over five years now. I did not notice any difference between the two.
These Coronas are 1 oz/in less that the Hitec HS82MGS and half the price (1/3 of the price of HS85MGs!) :shock:
Perhaps I would run them at 6V instead of 4.8?
Was hoping someone could give me a report on whether they stand up.
Thanks for the link though!

Re: Corona servos

Posted: Sun Jan 31, 2010 7:16 pm
by boiler
Keith, I find the ones that David pointed out to stand up extreamly well. I've been using them exclusivly in my scale planes and on elevator on all other planes for over 2 years now and haven't lost a one.