Guest turbo15479 Posted October 28, 2010 Share Posted October 28, 2010 (edited) I have an electrical device that I cannot indentify. It has Gray & Davis on it and is called a dynamo. It is rated 6 volts and 10 amps. It was my grandfather's and passed on to my dad and now me. My dad thought it was from a Packard but my grandfather owned everything from a Model A to a Studebaker truck. I will attach a couple of photos. If anyone can help me please do so. Thanks Brucebrucehrach@msn.com Edited October 28, 2010 by turbo15479 typo (see edit history) Link to comment Share on other sites More sharing options...
Shop Rat Posted October 28, 2010 Share Posted October 28, 2010 Are there any markings on it at all? If there are then those would help folks help you figure out what it fits. Link to comment Share on other sites More sharing options...
Guest turbo15479 Posted October 28, 2010 Share Posted October 28, 2010 If you do a google search on a gray & davis dynamo a newspaper article from 1912 comes up. It claims a dynamo and generator are the same thing. The only other markings on it are it is number 375 and it looks like a T or I series. It looks like new inside and turns freely. Here is a link to the article, The gasoline automobile - Google Books Link to comment Share on other sites More sharing options...
Larry Schramm Posted October 28, 2010 Share Posted October 28, 2010 With the pulley on the end, I agree that it is a generator. Maybe an aftermarket part as an accessory?? Link to comment Share on other sites More sharing options...
Guest turbo15479 Posted October 28, 2010 Share Posted October 28, 2010 The article I posted the link to claim it was made by Delco for car companies. Link to comment Share on other sites More sharing options...
Layden B Posted October 28, 2010 Share Posted October 28, 2010 Yes in the early days, generators were known as dynamos and starters were just called motors.Gray and Davis Model TJones 1916-17 25,26Metz 1915 25Stearns-Knight 1915 Light 4There may be additional applications as some lists that show Gray and Davis do not show the model. Link to comment Share on other sites More sharing options...
TheMoneyPit Posted October 28, 2010 Share Posted October 28, 2010 Gray & Davis made aftermarket lighting systems for the Model T Ford, they also had a starter-generator set-up that mounted on the LH side of the engine and used a chain drive to a special front sprocket mounted on the front pulley of the crank. I sold two of this style units at Hershey about 20 years ago, but they looked a lot like that only with a sprocket. Link to comment Share on other sites More sharing options...
Guest turbo15479 Posted October 28, 2010 Share Posted October 28, 2010 What is a unit like this worth? I may be willing to sell this if anyone has a use for it. Link to comment Share on other sites More sharing options...
TheMoneyPit Posted October 29, 2010 Share Posted October 29, 2010 I think i got $65 per unit but they had all the bracketing and the pulley sprockets - no chain but it looked like narrow timing chain. That was 1980's money... Link to comment Share on other sites More sharing options...
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