They would then have to spend approximately another US$300,000 and devote around 3,000 to 3,500 hours to complete the aircraft. In 2006, the base MKII kit cost US$182,000, but since builders can purchase additional components already pre-made by Viper Aircraft, customers spent an average of US$350,000 on their kits. However, concerns about the difficulty and cost associated with eliminating vibration from the drivetrain led the Hanchettes to choose turbojet propulsion instead, and they installed a Turbomeca Marbore engine instead of the Continental flat-6 they had originally envisaged as a powerplant. Originally conceived to use a piston engine driving a five- or six-blade pusher propeller, brothers Scott and Dan Hanchette commenced work on the prototype, then known as the ViperFan, in February 1996. Construction throughout is of composite materials.
The jet intakes are located at the sides of the fuselage and the tricycle undercarriage is retractable. It is a conventional, low-wing monoplane with swept wings and tail, and has two seats in tandem under a bubble canopy. The Viper Jet is a small homebuilt jet aircraft produced by Viper Aircraft Corporation. The ViperJet sounds interesting but, before starting with these impressions of the Aerobask version, I think it’s worth providing some background information.
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