Thompson submachine gun, byname Tommy gun, submachine gun patented in 1920 by its American designer, John T. Thompson. It weighed almost 10 pounds (4.5 kg) empty and fired . 45-calibre ammunition.
What is BMW SMG gearbox?
SMG stands for Sequential Manual Gearbox. It’s actually the same manual gearbox that is found in the cars with a clutch pedal, but instead of having the clutch foot operated, it has the clutch electro-hydaulically operated via a pump and wired to computers.
Can SMG drive like automatic?
There is no clutch pedal. As well, the SMG is capable of operating completely automatically if desired. Die-hard manual transmission enthusiasts may find it hard to believe that an electronically-controlled transmission without a clutch pedal could be more satisfying than a traditional manual gearbox.
How do you drive a BMW SMG transmission?
Is BMW SMG dual clutch?
BMW Shifts Gears: SMG out, new seven-speed, double clutch gearbox in. Wave goodbye to BMW’s SMG sequential manual gearbox and say hello to its new DCG double clutch gearbox.
When did BMW stop using SMG?
In 2005, ZF had reached the end stages of development of a 7 speed dual-clutch transmission. The official announcement came mid-September; the same time BMW pulled the plug on the SMG in the 3 series.
What is SMG stand for BMW?
Few things fill car enthusiasts with impotent rage quite like BMW’s sequential manual gearbox (SMG).
How do you drive a BMW m5 SMG?
What defines a SMG?
submachine gun, lightweight automatic small-arms weapon chambered for relatively low-energy pistol cartridges and fired from the hip or shoulder. Most types utilize simple blowback actions. Using cartridges of such calibres as .
What is E46 SMG?
The SMG (Sequential Manual Gearbox) system derived from Formula 1 racing technology. The 2001 E46 M3 was the first U.S. vehicle to come with the 6-speed SMG transmission. This revolutionary gearbox allows you to shift manually for automated.
How does BMW Steptronic transmission work?
How It Works. The basic functions of the Steptronic transmission include a fully automatic drive mode, a manual/sport drive mode that allows for higher engine revving before shifts, and a manual shift mode that allows the driver to manually shift gears.
What is BMW DCT?
There is no doubting the popularity of BMW M’s DCT (Dual-Clutch Transmission), a multi-speed transmission system that uses two separate clutches for odd and even gear sets. In fact, for those drivers who owned M cars with it, they were absolutely in love!
What is an electronically controlled manual transmission?
According to a preferred embodiment of the present invention, an electronically controlled shift system comprises a manually operated shift lever for selecting a gear, a transmission control module connected to the shift lever for receiving an electrical input signal indicative of a selected gear and a dual motion …
How long do DCT transmissions last?
The dual-clutch system is a robust, smooth and efficient transmission. If used properly, it should last 10 years without a problem, even with hard driving.
Why did BMW get rid of DCT?
The real reason is that the ZF eight-speed is more efficient and easier to calibrate for ultimate efficiency. And because efficiency is more important than almost all else in today’s automotive climate, the DCT is a casualty of the times. There’s also the fact that BMW M will soon be making a jump to electrification.
Does BMW SMG have clutch?
You still change gear much like you would in a conventional standard by using a “stick” of sorts (or by paddles mounted just behind the steering wheel), but there is no clutch pedal. Instead, the clutch is controlled electronically by a computer and actuated by hydraulics.
Are Smgs still used?
However, submachine guns are still used by military special forces and police SWAT teams for close-quarters battle (CQB) because they are “a pistol-caliber weapon that’s easy to control, and less likely to overpenetrate the target”.
What transmission does the E46 M3 have?
The transmission options for the M3 were a 6-speed manual or the 6-speed “SMG-II” automated manual transmission.
How good is the E46 M3?
Compliant and comfortable, but firm enough to keep body roll to a minimum, the E46 M3 is definitely more fun to drive on the street than the F80 or G80. It’s also much lighter than later M3s, and hydraulic-assisted power-steering give actual feedback through the wheel. You can enjoy this car at 40 mph and 140.
What years did BMW make the E46 M3?
The number of BMW M3 E46s sold during its production run from 2000 and 2006 – the most successful BMW M model to date.
Is BMW Steptronic good?
The design of the BMW’s Steptronic transmission is so good that they have shown better performance than a car driven with a manual-shift transmission, despite the high level of experience of the driver.
Are BMW automatic gearboxes reliable?
Simply put, no. There is nothing to suggest that in general BMW automatics are any more or less reliable than their manual transmissions. Just looking at how many used BMWs are for sales with more than 200k miles suggests that major drivetrain problems are not common.
Who makes BMW Steptronic transmission?
Steptronic is a function of manual gear shifting on an automatic transmission. It was created by the ZF Friedrichshafen AG German manufacturer, based on BMW’s design in 1996.
Is BMW DCT reliable?
DCT is a very strong unit. It is rated for 9000rpm and 400lb-ft of torque. BUT strong doesn’t mean reliable. At the end, it is more complicated than the MT, and more complicated means less reliable.
What is the problem with dual-clutch transmission?
As great as dual-clutch transmissions are, like every type of transmission type, they do have their drawbacks. One of the most common complaints about a DCT is that it tends to jerk and lurch when driven at lower speeds, such as in a parking lot or when the car is in reverse.