About this Plan
Dalotel - Rubber scale model.
Quote: "Existing for a number of years now as a popular subject for R/C turn-around pattern flyers and even some sport scale enthusiasts, the Dalotel DM-165 is little known in free-flight circles. As I began trying to gather data for my scale presentation prior to beginning design and construction work, I stumbled into roadblock after roadblock. Many of my usual sources were not even familiar with the air-plane, despite its R/C exposure. Even after the model was completed and entered in contests this past season, many people came up to me asking what it was, or hazarding a guess that it was some variation of a Zlin.
While there is some superficial resemblance to a Zlin Akrobat, the little Dalotel has a unique charisma of its own and makes a charming and competitive rubber scale model. Originally designed by M. Michel Dalotel as a tandem two-seat advanced trainer and aerobatic aircraft, the first Dalotel (F-PPZE) was produced by the French Societe Poulet Pere EL Fils Arl in April of 1969. It was intended to be a low-cost production aircraft easily broken down and transported by road when necessary.
Documentation for the model, after several fruitless searches up blind alleys, was ultimately provided by three sources. Dick Hanson of Dick Hanson Models, who kits an R/C version of the craft, was helpful in providing a flight photo of the prototype. Jane's All the World's Aircraft 1972-73 and 1973-74 gives a brief technical description of the plane and two static photos. The bulk of my material, however, came from the collection of Tom Schmitt of the DC Maxecuters, who was kind enough to lend me a copy of the French model publication MRA No. 516. dated November of 1982. For Tom's help I am deeply indebted.
Based on the above documentation, the model follows the structural outline of the MRA 3-view which was enlarged photographically. Since the full-scale craft is covered primarily with a stressed plywood skin, the 3-view did not include such structural details as rib placement, cross-member locations, or fuselage interior structure. Therefore, I cannot make any statement as to the accuracy of duplicating interior structural features. The plane was engineered for lightness and structural integrity. At an all-up weight of 314 ounce without the rubber motor, it has been successful on both counts.
The only scale deviations consciously intended were the enlargement of the stabilizer (approximately 15%) and an increased dihedral angle which places the wing tips at the same level as the mean thrust line. Years of experience have shown me that such a practice makes trimming a low-wing ship much less aggravating. As indicated in the MBA color photo, the craft features a white and yellow paint scheme, accentuated by black trim lines. The model holds true to the prototype's color scheme by the use of white, yellow, and black tissue. In all, it's an attractive little craft and one that's relatively easy to build... "
Dalotel, Flying Models, November 1985
Direct submission to Outerzone.
Supplementary file notes
Article pages, thanks to RFJ.
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