Quoting Removed, click Modern View to see First the qualification: I'm not a degeed EE, but I do motor and electronic work professionally, and have seen exactly what you are describing.
Yes, you can change the brush position and slow the starter, but the current will not really drop much, which just makes the starter far less efficient with the energy provided (more heat than movement). Universal motors are designed A LOT different than a starter (a lot more poles on the rotor and more field windings), even if the same basic principles apply.
I just had my 6v starter rebuilt with 12v field coils - not that it wouldn't work at 12v when I converted the electrical system, but the bendix was shot (and I was hand cranking it a 6v) long before it had the chance to be "abused" at 12v. Cold weather made the starter fix a necessity.
Maybe the extended cold weather cranking necessary at 6v ruined the bendix. I know it does a lot better now at 12v. :)
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
... [Read Article]
Latest Ad:
Oliver 550 Diesel runs like a watch three point hitch pto engine gone threw about two hundred hours ago nice clean tractor
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.