The J.L. Osborne tip tanks, originally sold under the “Brittain” name, were offered for Navions as well as Bonanzas. The Navion’s unique factory fuel system had two 20-gallon wing tanks filled by a single port, with an optional aft-fuselage tank holding an extra 20 gallons. Without the rear tank option, the addition of 20 gallons per side with the Osborne tip tanks gave a very desirable increase in range. In addition, a 250-pound gross weight increase was part of the Osborne tanks’ approval for the older Navions. A total 108-gallon supply, including tip tanks, was available in the final Navion Rangemaster model.
Navion Fuel Systems
Key Takeaways:
- The J.L. Osborne (Brittain) tip tanks were available for Navions, significantly increasing their fuel capacity and range.
- For older Navions, these tip tanks also included approval for a 250-pound gross weight increase.
- Combined with the Navion's standard 40-gallon wing tanks and optional 20-gallon aft-fuselage tank, the tip tanks enabled a total fuel supply of 108 gallons in the final Rangemaster model.
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