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What is SWINGARM? What does SWINGARM mean? SWINGARM meaning, definition & explanation

What is SWINGARM? What does SWINGARM mean? SWINGARM meaning – SWINGARM definition – SWINGARM explanation – How to pronounce SWINGARM?

Source: article, adapted under license.

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A swingarm, or “swinging arm” (UK), originally known as a swing fork or pivoted fork, is the main component of the rear suspension of most modern motorcycles and ATVs. It is used to hold the rear axle firmly, while pivoting vertically, to allow the suspension to absorb bumps in the road.

Originally motorcycles had no rear suspension, as their frames were little more than stronger versions of the classic diamond frame of a bicycle. Many types of suspension were tried, including Indian’s leaf spring suspended swingarm, and Matchless’s cantilevered coiled-spring swingarm. Immediately prior to and after World War II, the plunger suspension, in which the axle moved up and down two vertical posts, became commonplace. In the latter, the movement in each direction was against coiled springs.

Some manufacturers, such as Greeves, used swingarm designs for the front forks, which were more robust than telescopic forks. In particular, sidecar motocross outfits frequently use swing arm front forks. The swingarm has also been used for the front suspension of scooters. In this case it aids in simplifying maintenance. In motorcycles with shaft drive, such as the Yamaha XJ650 Maxim, the shaft housing forms the left side swingarm.

Swingarms have come in several forms:

Swinging fork – the original version consisting of a pair of parallel pipes holding the rear axle at one end and pivoting at the other. A pair of shock absorbers are mounted just before the rear axle and attached to the frame, below the seat rail.

Cantilever – An extension of the swinging fork where a triangulated frame transfers swingarm movement to compress shock absorber/s generally mounted in front of the swingarm. The HRD-Vincent Motorcycle is a famous early form of this type of swingarm, though Matchless used it earlier, and Yamaha subsequently. The Harley-Davidson Softail is another form of this swingarm, though working in reverse, with the shock absorbers being extended rather than compressed.

Parallelogram Suspension was first introduced commercially in 1985 on the Magni “Le Mans”. Magni called the system Parallelogrammo. Various parallelogram systems have been developed by other manufacturers.

Whereas a chain-driven bike would “squat” at the rear under acceleration, a shaft drive machine would do the opposite, causing the seat (and rider) to rise upwards, a phenomenon known as “shaft-jacking”. This anti-intuitive sensation can be disconcerting to riders, and parallelogram suspensions seek to neutralize such unwelcome torque reactions.

Paralever is BMW’s version of the system. It allows the driveshaft to pivot along the same axis as the sprung rear frame due to the addition of a second link between the rear drive and transmission. The Paralever was introduced in 1988 R80GS and R100GS motorcycles to combat shaft-jacking.

Moto Guzzi has introduced a variant of the system, it named the Compact Reactive Drive Shaft system (patented and named Ca.R.C.). The main difference is that the driveshaft is free to float into its structure, providing much softer feedback from transmission. Additionally, the upper arm of the Ca.R.C. is not part of the structure but just a guide to close the geometry of the suspension (it means that, unlike the BMW version, the suspension will work also with a broken upper arm).

Drag racing motorcycles (called dragbikes) will often use longer swingarms to keep their center of gravity as forward as possible, which reduces the tendency to wheelie at the start.

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Matthew McConaughey’s Dad Won a Motorbike in a Pissing Contest – The Graham Norton Show

His brother sounds like he has real talent.

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Airborne: 82nd Airborne Division 1970 US Army; All American Division; The Big Picture TV-772

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Public domain film from the National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).

The 82nd Airborne Division is an active airborne infantry division of the United States Army specializing in parachute landing operations. Based at Fort Bragg, North Carolina, the 82nd Airborne Division is the primary fighting arm of the XVIII Airborne Corps.

The 82nd Division was constituted in the National Army on 5 August 1917, and was organized on 25 August 1917, at Camp Gordon, Georgia. Since its initial members came from all 48 states, the unit acquired the nickname “All-American”, which is the basis for its famed “AA” shoulder patch. Famous soldiers of the division include Sergeant Alvin C. York, General James M. Gavin, Dave Bald Eagle (grandson of Chief White Bull), Senator Strom Thurmond (325th GIR in World War II)…


The 82nd Division was first constituted on 5 August 1917 in the National Army. It was organized and formally activated on 25 August 1917 at Camp Gordon, Georgia… they nicknamed it “the All-American division.”

The bulk of the division was two infantry brigades… It sailed to Europe to join the American Expeditionary Force in fighting World War I.

World War I

In early April, the division embarked from the ports in Boston, New York and Brooklyn to Liverpool, England, where the division fully assembled by mid-May 1918. From there, the division moved to mainland Europe, leaving Southampton and arriving at Le Havre, France, and then moved to the British-held region of Somme on the front lines, where it began sending small numbers of troops and officers to the front lines to gain combat experience. On 16 June it moved by rail to Toul, France to take position on the front lines in the French sector. Its soldiers were issued French weapons and equipment to simplify resupply. The division was briefly assigned to I Corps before falling under the command of IV Corps until late August. It was then moved to the Woëvre front, in the Lagney sector, where it operated with the French 154th Infantry Division…

World War II

Louisiana to Italy

The 82nd Division was redesignated on 13 February 1942 as Division Headquarters, 82nd Division. It was recalled to active service on 25 March 1942, and reorganized at Camp Claiborne, Louisiana, under the command of Major General Omar N. Bradley. During this training period, the division brought together four officers who would ultimately steer the US Army during the following two decades: Matthew B. Ridgway, Matthew D. Query, James M. Gavin, and Maxwell D. Taylor. Under General Bradley, the 82nd Division’s Chief of Staff was George Van Pope.

On 15 August 1942, the 82nd Infantry Division became the Army’s first airborne division, and was redesignated the 82nd Airborne Division. In April 1943, its paratroopers deployed to North Africa under the command of Major General Matthew B. Ridgway to participate in the campaign to invade Italy. The division’s first two combat operations were parachute assaults into Sicily on 9 July and Salerno on 13 September. The initial assault on Sicily, by the 505th Parachute Infantry Regiment, was the first regimental-sized combat parachute assault conducted by the United States Army. The first glider assault did not occur until Operation Neptune as part of D-Day. Glider troopers of the 319th and 320th Glider Field Artillery and the 325th Glider Infantry instead arrived in Italy by landing craft at Maiori (319th) and Salerno (320th, 325th).

In January 1944, the 504th Parachute Infantry Regiment, which was temporarily detached to fight at Anzio, adopted the nickname “Devils in Baggy Pants”, taken from an entry in a German officer’s diary. While the 504th was detached, the remainder of the 82nd moved to the United Kingdom in November 1943 to prepare for the liberation of Europe.


The division returned to the United States on 3 January 1946 on the RMS Queen Mary. In New York City it got a ticker-tape parade. In 1947 the 555th Parachute Infantry Battalion was assigned to the 82nd and was reflagged as the 3rd Battalion, 505th Parachute Infantry Regiment. Instead of being demobilized, the 82nd found a permanent home at Fort Bragg, North Carolina, designated a Regular Army division on 15 November 1948…

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Victory Motorcycles – Custom 2009 JackPot (1)

Victory Motorcycles – Custom 2009 Jackpot

this bike used to be Orange color!
Customized in Dubai, UAE

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