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Culver Props
Prop Speed Reduction Units
Back Yard Flyer Ultralight
About Us
Valley Engineering, LLC was formed in 1998 in Rolla MO to manufacture and sell prop speed reductions units for VW engines. The company is a father and son partnership between Gene Smith, mechanical engineer and retired crop duster, and his son, Larry Smith. It is truly a family affair with Jaunita (Gene's wife) and Alaina (Larry's daughter) and James (Alaina's husband) all working in the business.  Valley Engineering now also offers full VW and Big Twin engine packages.
Culver Props, a division of Valley Engineering, LLC, was purchased in 2001 to continue offering the highest quality wooden propellers to the public. Gene and Larry Smith, owners of Valley Engineering, LLC, had used Culver Props on their own aircraft for some time and were so impressed with their performance and quality, they decided to buy the company after learning that it was ceasing production. The company and equipment were moved from Pennsylvania to Rolla, Missouri, where the manufacturing of these superior wooden propellers continues today. Special care is given to match the size and pitch of the prop to meet the customer's specific need. Each propeller is made of only the best northern hard maple and birch available, with each piece of wood being hand-selected specifically for the unit being made. 

E.A.A. Air Operations Showmanship Award 2009
Gene Smith was awarded the prestigious by the members of the EAA Oshkosh Ultralight Community.

E.A.A. Ultralight Innovation Custom Power Plant Award 2006
Gene Smith was awarded the Ultralight Innovation Custom Power Plant Award at Oshkosh 2006.

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     more coming soon...