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  #1  
Old 01-15-2018, 09:25 PM
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cadetmike cadetmike is offline
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Default Voltage regulator

I am thinking of trying to install a modern style voltage regulator on my 122 you know like the little rectangle ones usually mounted on the side of the shroud on newer engines. has anyone done this? know if it will work?
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Old 01-15-2018, 09:35 PM
J-Mech J-Mech is offline
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A solid state rectifier/regulator will not work on a generator. You have to use a mechanical regulator. They last 40 years anyway, so it's not like they are a problem.


Aren't you a mechanic?.......
You should know that.
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Old 01-15-2018, 09:59 PM
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They do make such a thing (I.e clover DR110), though I haven’t personally used one. It’s a lot more complicated than just rectifying ac voltage, but it’s not an unsolvable electronics problem.
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Old 01-15-2018, 10:03 PM
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One of the solid state rectifier/regulator functions is to convert ac current to dc current. You will need to rewire part of the tractor to get it to work right. You will need a different flywheel-charging system to make it work. Easier to find another regulator.
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Old 01-15-2018, 10:08 PM
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Pretty cool Gompers! $165...not so cool.

http://cloversystems.com/products/ot...gulator/dr110/
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Old 01-15-2018, 10:09 PM
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Quote:
Originally Posted by Gompers View Post
They do make such a thing (I.e clover DR110), though I haven’t personally used one.
Interesting and maintains the same external look. $165 though ouch.
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Old 01-15-2018, 10:15 PM
Gompers Gompers is offline
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Quote:
Originally Posted by Merk View Post
One of the solid state rectifier/regulator functions is to convert ac current to dc current. You will need to rewire part of the tractor to get it to work right. You will need a different flywheel-charging system to make it work. Easier to find another regulator.
Mechanical regulators/starter generators work quite a bit differently than a regular rectifier situation you’ll find on modern engines. You get dc voltage directly from the starter generator, and the regulator regulates how much voltage and current by controlling the grounding of the field coil. It also stops battery voltage from feeding back into the starter/generator.

It’s a whole different process than rectifying ac from a stator/alternator type situation.
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Old 01-15-2018, 10:20 PM
Gompers Gompers is offline
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Pretty cool Gompers! $165...not so cool.

http://cloversystems.com/products/ot...gulator/dr110/
You could probably build one for a lot less, but you’ll need to spend some time doing the same engineering those folks have done. Build a current sensing circuit and a voltage sensing circuit and an op amp and a power mosfet and you’ll have something vaguely functional.

But it’s not as simple as just plugging in a solid state rectifier.
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Old 01-15-2018, 10:24 PM
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Originally Posted by Gompers View Post
Mechanical regulators/starter generators work quite a bit differently than a regular rectifier situation you’ll find on modern engines. You get dc voltage directly from the starter generator, and the regulator regulates how much voltage and current by controlling the grounding of the field coil. It also stops battery voltage from feeding back into the starter/generator.

It’s a whole different process than rectifying ac from a stator/alternator type situation.
Gompers.... Believe me, Merk is well aware how the systems work.
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Old 01-15-2018, 10:32 PM
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Quote:
Originally Posted by Gompers View Post
They do make such a thing (I.e clover DR110)
That wasn't what he was suggesting..... he said:


Quote:
Originally Posted by cadetmike View Post
you know like the little rectangle ones usually mounted on the side of the shroud on newer engines
He was referring to R/R as found on any Mag motor, or late K series... or CH or _______.


Quote:
Originally Posted by Gompers View Post
But it’s not as simple as just plugging in a solid state rectifier.
Which is what I said in post #2. Plus, you don't need to rectify voltage that is already DC. You just need to regulate it. So, it's a mute point... of coarse a rectifier won't work. It's already DC. So the answer is NO. You cannot install a R/R in place of the voltage regulator.

As far as the point of a solid state v-reg.... who would spend nearly triple the cost of a standard v-reg anyway? They're $60 and last 40 years unless you fry them, or buy a cheap one.
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