The Helical engine is a proposed spacecraft propulsion drive that, like other reactionless drives, would violate the laws of physics. The concept was proposed...

Team". 13 August 1998. U.S. patent 5,860,317 Burns, David (2019). "Helical Engine", Control ID 3194907 - NTRS - NASA" (PDF). NASA Scientific and Technical...

Look up helical in Wiktionary, the free dictionary. Helical may refer to: Helix, the mathematical concept for the shape Helical engine, a proposed spacecraft...

does not work. Proposed in 2019 by NASA scientist Dr. David Burns, the helical engine concept would use a particle accelerator to accelerate particles to...

helical gear pressed in No. 3 counterweight drives twin contra-rotating balance shafts in the shaft housing within the lower crankcase. The AR engine...

torsion about its helical axis. The material of the spring is thereby subjected to a bending moment, either reducing or increasing the helical radius. In this...

back down the helical shaft and thus out of mesh with the ring gear. This has the disadvantage that the gears will disengage if the engine fires briefly...

intake camshaft needs to be a helical camshaft. With a twin helical camshaft arrangement and suitable controls, an engine could have both extreme power...

double helical gear, is a side-to-side, rather than face-to-face, combination of two helical gears of opposite hands. From the top, each helical groove...

balanced with eight counterweights and supported by five main bearings. A helical gear pressed in No. 3 counterweight drives twin contra-rotating balance...

The Evolution engine (popularly known as Evo and sometimes as Blockhead ) is an air-cooled, 45-degree, V-twin engine manufactured from 1984 by Harley-Davidson...

100 RPM Redline: 8,400 RPM Rev Limit: 8,600 RPM Transmission: S4C With Helical LSD (4.4 final drive, dual-cone synchronizer on second gear) ECU code:...

propulsion § Direct impulse Casimir effect Crookes radiometer Dean drive Helical engine Quantum vacuum thruster Reactionless drive Unruh effect White–Juday...

and commute several windings of the helical barrel direction in front of and/or behind the projectile. The helical railgun is a cross between a railgun...

turn by a set of helical gears via the belt-driven exhaust camshaft. At the time, the EG33 was the largest naturally aspirated engine that Subaru had ever...

The LA engine is a family of overhead-valve small-block 90° V-configured gasoline engines built by Chrysler Corporation between 1964 and 2003. Primarily...

The Mercedes-Benz M112 engine is a gasoline-fueled, 4-stroke, spark-ignition, internal-combustion automobile piston V6 engine family used in the 2000s...

shafts parallel.) 3D animation of helical gears (parallel axis) 3D animation of helical gears (crossed axis) Double helical gears overcome the problem of...

A swing-piston engine is a type of internal combustion engine in which the pistons move in a circular motion inside a ring-shaped "cylinder", moving closer...

difficult and expensive to produce, requiring very accurate helical machining and careful assembly. Engine designs which do not rely on a camshaft to operate the...

Giant (TFG) engine. It is rated at 600 bhp and uses the camless Freevalve technology. Helical camshaft Multiair "1.6-liter 'camless' engine delivers 230...

effect of the platinum wire. The glow plug is a durable, mostly platinum, helical wire filament recessed into the plug's tip. When an electric current runs...

850 cc (51.9 cu in) displacement, liquid-cooled, gasoline engine design, with a helical gear mechanical gearbox reduction drive with a reduction ratio...

A propfan, also called an open rotor engine, open fan engine is an aircraft engine combining features of turbofans and turboprops. It uses advanced, curved...

Wankel engine design, with a mechanical gearbox reduction drive employing a helical gear set with a reduction ratio of 3.225:1. Cooling is predominantly liquid...

VTEC B16B 4-cylinder engine, front-helical limited-slip differential and a close-ratio 5-speed manual transmission. The B16B engine boasted one of the highest...

order balance shaft mounted under the crankshaft driven by helical gears to manage engine vibration. Applications Hyundai i10 (2007–2019) Hyundai i20...

create grain structures that were otherwise not possible to manufacture. Helical ports have been shown to increase fuel regression rates while also increasing...

A model engine is a small internal combustion engine typically used to power a radio-controlled aircraft, radio-controlled car, radio-controlled boat,...

front end of the motor, which in turn is driven through a sprocket and a helical gear pair. Unlike the M180's paired cylinder spacing, the M123’s is uniform...