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BT-10k & BT-50k
- Vortec Fuel Plate. This is the first rocket engine
to have a fuel plate with holes drilled at an angle instead of straight
through perpendicular. Arranged in a circular pattern all fuel and oxidizer
holes spin clockwise or counter clockwise and are drilled at a 45 degree
angle to create a vortex tornado/funnel of fire inside the combustion
chamber.
- Multi-fuel Hybrid. This is the first engine to
supply more than one type of fuel to the engine during flight. The fuel
plate has 5 fuel supply ports. One main 2" fuel supply provides large
amounts of propane/butane which could also be a liquid fuel like JP-1
kerosene. Also 2 fuel ports provide low pressure fuel for the soft start
ignition system. Two addition 1/2" ports provide kerosene booster fuel
from turbo fan engine tanks. As many as 16 turbo booster fuel ports are
added.
- Multi-Oxidizer Hybrid. This is the first rocket
engine to have more than one oxidizer supply tube. This means that you can
have pressurized nitrous oxide or liquid oxygen (LOX) supplied through 2
tubes and outside air supplied through 2 tubes. This rocket engine is
designed to provide 1,2,3,4,5 or 6 oxidizer tubes.
- Quad Oxidizer Supply Support Mounts. This is the
first rocket engine to have 4 mounting brackets on the combustion chamber
that holds the oxidizer tubes in place.
- Regenerative Cooled Body. This is the first rocket
engine to be cooled from the oxidizer ring at the bottom all the way to the
fuel plate at the top between 2 skins that are separated with vertical ribs.
- Carbon and Kevlar Uni-Body. This is the first rocket
engine to be constructed of carbon and/or Kevlar fibers in one piece for the
combustion chamber and exhaust bell.
- Redundant Soft Start Ignition. This is the first
rocket engine to have any spark plugs protruding into the combustion chamber
from the fuel plate. By igniting the fuel/oxidizer once it enter the chamber
while still a small quantity, significant stress on the engine body is
avoided by not igniting the fuel/oxidizer after it has filled the combustion
chamber and exhaust bell and spills out all over the ground to be suddenly
ignited by a shower of sparks like the space shuttle primitive ignition
system. This is the first engine to have 2 spark plugs in case one fails.
- Spark Plugs. This is the first rocket engine to use
the new HT revolutionary high tech spark plugs with a double armature that
extends into the combustion chamber that were originally made for the 05
Ford Mustang.
- Combustion Chamber with Side Oxy Vents. This is the
first rocket engine to have oxidizer vents in the side wall of the
combustion chamber. This is only possible due to its inward manifold.
- Square Ceramic Rope for Ribs. This is the first
rocket engine to have square ceramic rope epoxied to the side from top to
bottom in 40 places giving great strength and making ribs for coolant
channels.
- Oxidizer Ring Ports. This is the first rocket engine
to have multiple oxidizer inputs to spread coolant more evenly around the
perimeter.
- Engine Breathes Outside Air. This is the first
rocket engine to breathe outside air. This is only possible due to multiple
oxy tubes.
- Acceleration Steps/Fire Footings. The top third of
the exhaust bell has multiple perpendicular ledges where expanding gases
from the combustion chamber emerge through the throat, push against and grip
these ledges to encourage propulsion by their pressure.
- Progressively Larger Plumbing. The propellants are
generally stored in their tanks under pressure in liquid form. Released into
the plumbing system in route to the engine, the propellants will transform
into a gas as the decompress in progressively larger plumbing from the
2" pipe to the 3" oxidizer tube to the 4" oxidizer ring. This
2-3-4 inch progression encourages expansion and cooling.
- Fuel Plate Manifold Inside Not Outside. All other
fuel plate manifolds are above and outside of the combustion chamber. This
manifold is uniquely inside the combustion chamber.
- Combustion Chamber Flange Sandwich. The combustion
chamber is a 1/4" of Carbon fiber sandwiched between 1/8"
stainless steel on top and bottom.
- Turbo Booster Steering. With 16 additional 1/2"
fuel ports arranged in a circle on the fuel plate, steering can be achieved
by supplying one side of the combustion chamber with more fuel for more
thrust.
All these claims are the sole intellectual property of Robert
Lee Oehrlein (Oehrlein Aerospace Company and Rocket Engine Works).
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