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Kirt Blattenberger BSEE - KB3UON My Engineering Web: RF Cafe Carpe Diem! (Seize the Day!) Even during the busiest times of my life I have endeavored to maintain some form of model building activity. This site has been created to help me chronicle my journey through a lifelong involvement in model aviation, which all began in Mayo, MD ...
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Parris-Dunn "Little Bobby" Helicopter Kite Kit
Single-Rotor Version

Parris-Dunn "Little Bobby" Helicopter Kite Kit - Airplanes and Rockets

Both the Parris-Dunn Little Bobby Helicopter Kite kit and the Guillow No. D4 Menasco Trainer kit have been accepted into the Academy of Model Aeronautics (AMA) National Model Aviation Museum's collection!

This Parris-Dunn "Little Bobby" Helicopter Kite kit may well be the only one left in existence. Many thanks to Mr. Steven Krick for providing the kit to me for documenting. A fairly extensive search on the World Wide Web (WWW) turned up exactly zero other examples of this kit, or any mention of it for that matter.

Parris-Dunn Wind Electricity Generator - Airplanes and Rockets Parris-Dunn was primarily a wind-powered electricity generator company located in Clarinda, Iowa, formed in the 1930s. In the days before commercial electric power was delivered to rural areas, farms and homes were run on DC (direct current) power provided by banks of lead-acid storage batteries, so the generators were very popular as a means of recharging them. Many early radio sets (known as "farm radios") and household appliances - as well as electric lights - were designed to run on DC, and also on either DC or AC. It filled the gap until after 1936 when the Rural Electrification Act was signed into law requiring utilities to make AC power available to everyone (with government, aka tax dollars, subsidization if needed). As a side note, if Thomas Edison had prevailed over Nikola Tesla in "The War of the Currents," the AC versions would not have been needed.

Prior to the joint venture with Cecil Parris, William Dunn designed and built a full-size monoplane in 1928 called the Dunn K-5 Cruzaire. That pretty much establishes his interest in things aeronautical, including big propellers like those on his wind turbines and this helicopter-kite model. Evidently two versions of the helicopter kite were produced: this Kit No. 1 Single Rotor "Little Bobby" (17" from wingtips to rudder) and a Kit No. 2 Twin Rotor (45" from wingtips to rudder). My first thought about the moniker of "Little Bobby" was that it was named after a son of either Parris or Dunn, but the drawing on the box cover shows a girl flying the model. Lots of girls are nicknamed "Bobby," so it could very well be that Bobby was in fact a girl.

The kit includes all material necessary to build the helicopter-kite, but my kit is missing the sheet balsa parts and there is no metal hardware other than the shaft, which has been bent into a curve shape. I did not attempt an inventory and there is no parts list on the plans. Assembling the kit for successful flight would be a real challenge for a novice modeler. In the flying instructions printed on the plans, the draftsman warns the flyer to keep away from buildings and trees, but there is no mention of avoiding overhead power lines. That was not a source of potential hazard for the farm families who bought Parris-Dunn wind-powered electricity generators!

Parris-Dunn is probably most well known for their production of training rifles for the military during World War II. Many are still available on eBay for interested collectors.

Three vintage kits generously gifted to me by Steven Krick were offered to the Academy of Model Aeronautics' (AMA's) National Model Aviation Museum in Muncie, Indiana. I am happy to report that they now have ownership of the Parris-Dunn Helicopter Kite and the Guillows No. D4 Menasco Trainer. They were not interested in the Comet F−86D Sabre Jet.