Letters and Miscellanies

Spring Winding

| March 2005

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    'Bill Roberts’ 3 HP hopper-cooled Abenaque, one of two known. Are there any more out there? '

  • SpringWinding.jpg

Several days ago I read a Gas Engine Magazine article, "Unusual Engines," written by Bill Vossler (January 2005, page 18). The article regarded Robert Geiken of Hastings, Minn. My interest piqued while reading under the subtitle "New Life." Geiken was talking about problems associated with making replacement springs.

I can't help him find any unusual or unique engines, but I can help him in reproducing his replacement springs. So I contacted GEM about doing an article on spring winding. I wound springs of all sizes and descriptions while employed by John Deere.

I take the Home Shop Machinist Magazine (www.home shopmachinist.net) and found this article titled "Design and Wind Your Helical Springs" by Kozo Hiraoko. This was written as a two-part article for May/June 1987 and July/August 1987. This must have had good results because it was reproduced as a part of the hardback book Projects Three, released in 1989.

I must say this is the best article on spring winding I have seen. The only thing I would recommend to anyone who wanted to get deeper into spring winding would be to contact the Spring Mfg. Institute, Bristol, CT 06010, (630) 495-8588; (www.smihq. org), for their handbook of spring design.

Bill Lankford
1632 Carolina Circle
Gastonia, NC 28054


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