Last edited by whipper-ag; 07-13-2016 at 02:49 PM.
That's because they don't whine when apart on the bench...Originally Posted by whipper-ag
The T-20 is filled with straight cut spur gears.
I've never heard a T-20 whining with gear noise.
Turn up your hearing aide...
Put a muffler on that engine you HP freak...
Ok, enough messing around.
It comes down to design choices which always mean compromise somewhere.
Which all comes down to: Yep, it can be done but at what cost?
So what is the design difference that makes the T20 quieter? Lower velocity? Stiffer material? I don't know. When I drove a machine with a T20 my experience was: "Yep, that works too."
Here's a snipet of science I stole from Wikipedia.
In spur gears teeth suddenly meet at a line contact across their entire width causing stress and noise. Spur gears make a characteristic whine at high speeds. Whereas spur gears are used for low speed applications and those situations where noise control is not a problem, the use of helical gears is indicated when the application involves high speeds, large power transmission, or where noise abatement is important. The speed is considered to be high when the pitch line velocity exceeds 25 m/s.
Whipper we all know your the expert in gear cutting and can tell us why the Argo trans whine. Most of us enjoy listening to and operating a T-20 but some are stuck with the other brand. From my experience its a clearance issue due to having course splines on the sliding gears and sloppy gear fit. Now if you would entertain cutting us some new gears and shafts for the Argo transThe T-20 is filled with straight cut spur gears.
I've never heard a T-20 whining with gear noise.
Whipper
Probably need larger diameter gears and all of the space/material reengineering that would take.
Or helical gears and the bit of loss of power that would take.
Your pitch/slop change may have an effect as well.
I honestly don't know but thought I would throw some more guesses out there because I find the subject interesting.
I do imagine it isn't just a simple thing...
Last edited by whipper-ag; 07-13-2016 at 02:49 PM.
I WEAR EAR PLUGS....
I have one of the quieter Conquests Transmitions I know of in one of my machines, and I also have the LOUDEST one that I know of in another machine. The quieter one is Med Geared and the loud one is Low Geared. The low geared one has almost 700hrs on it, and has been loud since I got it (at about 120hrs). Other than the extreme noise, it seems to operate very well, never had any problems with it. I guess what I'm getting at is it depends on what noise is actually coming from his trans. If it's just gear whine, it's probably fine. I know they CAN be made quiet, but it's also commonly accepted that Spur Gears are noisy. Also depends on what YOU consider to be noisy.
RD
Well I took the Argo for a quick ride around my property to refresh my memory on what the sound actually was. The transmission does indeed whine.
All in all everything functions completely fine.
You guys will be fine. A little whine is no big deal.
It's the big whines that can be a problem, like , "Where you taking me for dinnnner?" or "But I reaaallly wanted one with more karats"Now that might be a problem.
Bridget
"No, I won't order dinner."
Eats half my plate.
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