Electronics | Structures | Mechanisms | Engines by Mr G Marley https://padlet.com/gerardmarley111/yunjprip8q8b Junior Cycle Engineering en-us 2019-04-01 12:54:07 UTC 2025-05-22 12:36:39 UTC hello@padlet.com https://padlet.net/icons/8.0/png/1f4a1.png 2-Stroke Engine gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347140550 Motorbikes, Lawnmower, Strimmer, Chainsaw etc.

Upward Stroke -


Downward Stroke -

]]> 2019-04-01 12:56:29 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347140550 Piston gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347141805 This is the slider, made of aluminium. It travels up and down the cylinder with reciprocating motion compressing the fuel mixture.]]> 2019-04-01 12:59:09 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347141805 Ford Focus Engine gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347142172 2019-04-01 13:00:03 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347142172 Environmental Impact gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347142309 2019-04-01 13:00:21 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347142309 The 4 Strokes gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347142672 Induction Stroke - Inlet Valve open. Exhaust Valve closed. Piston moving downward, letting fuel in.

Compression Stroke -

Power Stroke - Both valves closed. Piston up. Spark ignites Air-Fuel mixture. Causes explosion, pushes piston downwards.

Exhaust Stroke -

]]> 2019-04-01 13:01:07 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347142672 4-Stroke Engine gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347147734
  • Piston
  • Combustion Chamber
  • Cylinder
  • Connecting Rod
  • Crankshaft
  • Gudgeon Pin
  • Small End Bearing
  • Big End Bearing
  • Inlet Valve
  • Exhaust Valve
  • Valve Spring
  • Cam
  • Camshaft
  • Spark Plug
  • Piston Rings
    • ]]>     2019-04-01 13:10:58 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/347147734     Types of Motion gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1310720023
  • Linear
  • Rotary
  • Oscillating
  • Reciprocating
    • ]]>     2021-03-15 13:52:01 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1310720023     Forces gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1310746576
  • Tensile
  • Compressive
  • Shear
  • Bending
  • Torsion
    • ]]>     2021-03-15 13:56:49 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1310746576     Ratchet & Pawl gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1310851019 This mechanism allows rotation in one direction only.
    Used in ratchet spanners, fishing reels, sports net tensioners, handbrakes.]]>     2021-03-15 14:15:13 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1310851019     Worm & Wormwheel gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1310870383 This mechanism transmits rotary motion through a right angle and also give a very large gear reduction.]]> 2021-03-15 14:18:31 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1310870383 Gear Ratio gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314693012         No. of teeth on Driven Gear
    -------------------------------------------------------
            No. of teeth on Driver Gear]]>     2021-03-16 09:30:26 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314693012     Rack & Pinion gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314704046 2021-03-16 09:34:12 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314704046 Bevel Gears gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314704729 Bevel Gears transmit rotary motion through............]]> 2021-03-16 09:34:26 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314704729 Triangulation gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314707605
  • Trusses
  • Ties (Stay)
  • Struts
  • Bridges
    • ]]>     2021-03-16 09:35:26 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314707605     Levers gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314715527 2021-03-16 09:38:12 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314715527 Chain & Sprocket gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314717531 2021-03-16 09:38:53 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314717531 Belt Drives gerardmarley111 https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314718425 2021-03-16 09:39:11 UTC https://padlet.com/gerardmarley111/yunjprip8q8b/wish/1314718425