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Malduke: Directed by Ken Jubenvill. With Barry Van Dyke, Geraint Wyn Davies, Michele Scarabelli, Anthony Sherwood. The team races to stop a madman, who has rigged a toxic waste barge with explosives, bent on forcing the government to quarantine chronically ill people.
- (40)
- Action, Adventure, Sci-Fi
- Ken Jubenvill
- 1987-07-17
Use our interchange cross-reference search tool to find similar automotive parts between OEMs (original equipment manufacturers), competing brands, or parts from brands like NGK which may have different stock and manufacturer numbers. Attention: Information provided using the interchange tool is intended as a guide, and provided without guarantee.
- Warped brake rotors. This is the number-one braking myth. Perhaps it has become so ubiquitous because, at first, it appears to make sense. If you feel steering wheel vibrations or pedal pulsations when braking, then the disc’s surface must be uneven because it is “warped” from excessive temperatures, right?
- Bigger brakes will help you stop quicker. Brake rotors with a larger radius will increase the lever arm of the braking force over the center of the hub and, therefore, the braking torque applied to the wheel.
- Drilled or slotted brake rotors are better. We’ve already seen that fitting bigger rotors does not necessarily make sense for a normal street-driven vehicle.
- Disc brakes stop faster than drum brakes. Fewer and fewer cars nowadays use drum brakes and those that do only use them on the rear wheels, where the braking forces are lower.
Parts of a Rotary Engine. Of course, a rotary engine wouldn’t be able to go through a single combustion cycle without its unique parts, such as the following: Rotor. At the heart of the rotary engine is a triangle-shaped rotor with concave sides that create a separate space inside the housing whenever the rotor spins.
- History
- How Does It Work?
- What Are The Benefits?
- Any Drawbacks?
- Our Top Five Rotary-Engined Cars
- NSU Ro80
- Mazda RX-7
- Citroën GS Birotor
- Mercedes C111
- Mazda 787B
The rotary engine was the brainchild of German engineer Felix Wankel – hence why it’s also often referred to as the Wankel rotary – who was granted a patent for this new type of internal combustion engine in 1929. However, it wasn’t until after the Second World War that further development began in earnest at NSU, with Wankel developing one engine,...
Just about the only element a rotary engine shares with a traditional petrol unit is that it uses the same four stages – intake, compression, ignition and exhaust – but this process is not taken care of by cylinders and pistons in the traditional sense. In a rotary engine the typical Otto cycle takes place in an oval-shaped chamber in which a trian...
So that’s a brief outline of the theory, but where’s the improvement over a traditional combustion engine? Firstly, there are far fewer moving parts, with no camshafts and valves to worry about. Secondly, as the rotor and associated shafts are all working in the same circular motion, the rotary engine tends to be far smoother than a traditional eng...
Unfortunately, plenty. Initially NSU had a problem with the design of its rotor tips which either allowed the tips to lose contact with the sides of the chamber or damage the chamber walls, leading to lots of warranty claims and replacement engines. It was financially so crippling that NSU was eventually taken over by Audi. While Mazda did a better...
Despite their problems, rotary engines are often tipped for a comeback, especially by Mazda, the main supporter of their virtues. There was the RX-Vision concept revealed at Tokyo back in 2015, but a production version never materialised, and while there’s been talk of a rotary engine being used as a range extender for electric vehicles by several ...
While those of a younger persuasion will almost certainly think of a Mazda when asked about a rotary-engined machine, for those of a certain age the NSU Ro80 will be the first car that comes to mind. And for all the wrong reasons. Most won’t remember its advanced design, its use of discs all round, or its 114bhp output from just one litre of capaci...
Despite having a capacity of just 1.3 litres, the Mk3 Mazda RX-7 was good for 252bhp, thanks in no small part to twin-turbochargers, and with a skinny 1218kg kerb weight it was endowed with 210bhp per ton. The small engine was mounted right up next to the bulkhead for a front-mid-engined configuration – it was exceptionally agile and made it a rewa...
A classic case of right car, wrong time? We’ll never really know, but the CitroënGS Birotor was based on the popular GS, and with its 995cc engine developing 106bhp it should have been a suitable range-topping model. As well as being swifter than the regular GS, it was a higher quality product, with disc brakes all round and a more luxurious interi...
While it was only ever intended to be a research project, the MercedesC111 must be right up there towards the top of the list of concepts we wish had been built. Bruno Sacco’s futuristic styling was sublime – no doubt helped by its wonderful orange hue – but perhaps what is often forgotten is that two examples were made with rotary engines. The C11...
The Group C era spawned some wonderful machinery, perhaps none finer than the only non-piston-engined car to win at Le Mans – Mazda’s 787B. The car’s 2.6-litre four-rotor unit produced 697bhp at 9000rpm and 448lb ft of torque at 6500rpm in race trim (Mazda claims 845bhp could be produced in qualifying spec), ensuring the engine’s power-to-weight ra...
The tail rotor is a smaller rotor mounted vertically or near-vertically at the tail of a traditional single-rotor helicopter, where it rotates to generate a propeller -like horizontal thrust in the same direction as the main rotor 's rotation. The tail rotor's position and distance from the helicopter's center of mass allow it to develop enough ...
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Oct 26, 2016 · The car was powered by a triple-rotor rotary engine that produced 336kw from a combined displacement of two liters, made to run on bio-ethanol and said to be powerful enough to let the car reach ...
