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Mechanical movements, powers and devices (1911)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 33

An illustration from Mechanical movements, powers and devices, 1911, leaf 33 — Strain 24. THK AVEDGK. Strain = force of blow X / /, length of wedge.w, width of wedge. ^//%j^ r j units or inches. ..71—^ p W = P X (2 X rX 3.1416) … 25. THE SCREW. All measures in equal [^^ Pitch of screw p = W X pitch of screw 2 X r X 3.1416 26. WORM GEAR or ENDLESS SCREW. P = power.r = length of crank.R = radius of pitch line of gear.p = pitch of screw.r = radius of winding drum. W = P X rX 6.28 X R p = w XpXr ^6.28 X rXR p X 7 — if screw is…

Mechanical movements

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