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-   -   Which one of these servos for steering? (http://www.rccrawler.com/forum/electronics/238728-one-these-servos-steering.html)

Hordsak 03-18-2010 04:46 PM

Which one of these servos for steering?
 
I have a few servos that I could install in my new Honcho, and I'm wondering between these 2. I have a Hitec 5955TG, but it's overkill imho, so I'm trying to decide between

Hitec 645MG
Speed:
0.24 sec/60° at 4.8V
0.20 sec/60° at 6.0V

Torque:
106.93 oz-in at 4.8V
133.31 oz-in at 6.0V

Futaba S9402
Speed:
.12 sec/60° @ 4.8V
.10 sec/60° @ 6V

Torque:
89 oz-in @ 4.8V
111 oz-in @ 6V

I guess it's really down to twice as fast, vs a little more torque.

Since it's only a stock honcho, it shouldn't need alot of muscles to
turn the little 1.9's?

kmnss 03-18-2010 04:52 PM

If you spend a little more, get the Digital Hitec 5645MG. It has a lot more torque, and will actually center. I've had nothing but BAD luck with the 645MG's... they've never centered for me.

Hordsak 03-18-2010 04:56 PM

Quote:

Originally Posted by kmnss (Post 2363728)
If you spend a little more, get the Digital Hitec 5645MG. It has a lot more torque, and will actually center. I've had nothing but BAD luck with the 645MG's... they've never centered for me.

Ahh I hear ya, thing is I already have them laying around. I mean, I could go hog wild and put in the 5955, but it just seems like extreme overkill in a 1/10 Trail truck hehe

kmnss 03-18-2010 05:43 PM

I'd go with the 645 over the Futaba if that's the case. "thumbsup"

ricerscott 03-18-2010 06:08 PM

Between those 2 servos I would go with the 645. I have had good luck with mine. But recently I found a good deal on a 5955tg and I have no intention of putting the 645 back in. So my suggestion, if you have all the servos just laying around go with the 5955, you will not regret it!!"thumbsup" You would be surprized at how much torque you need. I am running an scx10 with the 1.9's as well.

Frankenwheely 03-19-2010 01:48 AM

645 hands down. That's what I started with. Plus it's my back up if my upgraded sevro takes a dump."thumbsup"

Hordsak 03-19-2010 09:42 AM

Yeah, I'm using the 645 right now, but I can tell I could benefit from a little more torque. I might just slam my 5955 in there.

freetimecrawler 03-19-2010 10:03 AM

There is really no such thing as "overkill" Go with the 5955 "thumbsup"

jrabenius 03-19-2010 09:46 PM

Overkill? No such thing.

Look at it this way:

YOU ALREADY HAVE THE 5955 - and it's not being used?

It's not like you are going to buy one - you already have it!

Put the 5955 on and have fun!

John R

skinner 03-19-2010 10:06 PM

I'd run your qoute "overkill" in it. But between other two, the 645mg would be fine with 1.9'ers.

YardFab 03-19-2010 10:31 PM

I am running a Hitec hs-7995 and works great.

dkf 03-20-2010 06:21 AM

I fried my 645 in my SCX-10 so I bought a Toward Pro MG996R to replace it. Didn't want to spend much so for less than the price of one 645 I bought two new MG996R servos off ebay. They don't have quite the positioning accuracy as the 645 but they have more torque than the 645 does. Have been running the TP servo for a while now and it works well. Just throwing out another option. Heres a link to a US seller. http://cgi.ebay.com/2-x-MG996R-Metal...item5ad6df1253

Sharkey 03-20-2010 10:21 AM

the 645 is the way id go between the 2, ive run lots of them and they never let me down. i just upgraded to a hs985, its 178oz.in and much quicker than the 645, it would be ausome in a scaler.


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