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Outdoor & Recreation
Campers, Vans & 4WD's
Bottle jack
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<blockquote data-quote="mudgee hunter" data-source="post: 568127" data-attributes="member: 9124"><p>A twin piston ram has two stages.</p><p>An inner ram raises firstly, then once it hits its max height, a secondary outer sleave ram pushes it up as well. </p><p>Almost doubling the lift capacity height. </p><p>E.g 1 , single piston ram Jack....(excluding adjustable thread) </p><p># squat height = 200mm...max lifting capacity range 180mm. ( ram max lift stretch) = 180mm lift height) </p><p></p><p>E.g. 2 , twin ram/piston Jack... ( excluding adjustable thread) </p><p># squat height =200mm .... max lift lifting capacity range 350mm, </p><p>This the actual raising height it can do, 170mm more lift height. </p><p>Due to a twin stage/ dual ram piston/s.</p><p></p><p>These are reguardless of squat height, or threaded adjustments. </p><p>More about lift height ratio over there squat height. </p><p></p><p>A single stage ram simply cannot lift more than the height of the Jack. </p><p>But a twin/2 stage ram/piston Jack can almost double the lift height capacity</p></blockquote><p></p>
[QUOTE="mudgee hunter, post: 568127, member: 9124"] A twin piston ram has two stages. An inner ram raises firstly, then once it hits its max height, a secondary outer sleave ram pushes it up as well. Almost doubling the lift capacity height. E.g 1 , single piston ram Jack....(excluding adjustable thread) # squat height = 200mm...max lifting capacity range 180mm. ( ram max lift stretch) = 180mm lift height) E.g. 2 , twin ram/piston Jack... ( excluding adjustable thread) # squat height =200mm .... max lift lifting capacity range 350mm, This the actual raising height it can do, 170mm more lift height. Due to a twin stage/ dual ram piston/s. These are reguardless of squat height, or threaded adjustments. More about lift height ratio over there squat height. A single stage ram simply cannot lift more than the height of the Jack. But a twin/2 stage ram/piston Jack can almost double the lift height capacity [/QUOTE]
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Outdoor & Recreation
Campers, Vans & 4WD's
Bottle jack
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