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We're proud to say that the B-2B has several features
you will appreciate and enjoy:

Maintenance

  • Pre-flight is convenient with all critical areas within easy reach.
  • The stressed skin construction is robust and all systems are simple and reliable. Maintenance and overhaul can be performed on-site by your local suitably trained licensed mechanic (A&P) using Brantly parts and common aviation materials and techniques. The same thing goes for the replacement of all life-limited parts.
  • Ground handling wheels allow for easy maneuvering. Trailering is a cinch with a standard 8 ft trailer once the outboard blades have been removed.
  • Only one life-limited component has a service life less than 2,500 hours (it's 1,200 hours). All other life-limited components are either 2,500 or 3,250 hours.

Engine &
Transmission

  • The fuel injected engine is mounted vertically instead of horizontally like other helicopters in this class. The rotor is gear driven by a transmission, not belts.
  • Both the tail rotor drive shaft from the main transmission to the intermediate gear box and the drive shaft from the intermediate gear box to the tail rotor gear box are "splash lubricated" and illustrate the eloquent and clean engineering approach Mr. Brantly used when designing the B-2B. Both shafts have a worm gear that carries the oil from their common oil sump (the intermediate gear box) and allows it to gravity drain back to the intermediate gear box.

Main Rotor

  • The unique two section doubly articulated main rotor blade is responsible for the excellent quality of ride. The outboard blade is fully articulated and the inboard blade also has a flapping hinge.
  • The inboard blade is set at an angle of incidence 4 degrees greater than the outboard blade. Just like the twisted blades that are used on the "big-iron" helicopters
  • The rotor brake control is a ratchet-handle just like what you'd find in a sports car.

Cabin &
Accommodations

  • There's no need to stuff your tools or clothing underneath or behind the seat. The 6 cubic foot baggage compartment. It's certified to hold 50 pounds (22.7 kg).
  • Absolutely excellent visibility.
  For a more technically detailed examination of the Brantly's design features, you can read exerpts from an article published in the American Helicopter Society newsletter. Click here.

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