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GP-183.1 TRAIN OF GEAR WHEELS For demonstrating the relationship between velocity ratio and number of teeth. Three gear wheels, approximately 60, 80, 110 pitch dia, with 12, 18, 24 teeth respectively, each mounted on wooden board provided with grooves for adjusting gear wheels by changing belt. Overall dimensions approximately 240 x 260 x 300mm.  GP-185.1 SIMPLE WHEEL AND AXLE Two wheels 150mm and 75mm dia formed from solid hardwood with flat bottom grooves. Supplied with metal axle and cord. Dimensions: 150mm diameter x 45mm.  GP-186.1 WHEEL AND AXLE COMPOUND Made of cast aluminium alloy wheel 100mm dia axle 50mm and 25mm dia, mounted on adjustable steel cones in steel frame, mounted on a wooden board with 4 holes for wall mounting. Complete with 5 meter Nylon cord and steel hook.  GP-190.1 PROJECTILE APPARATUS To illustrate that a body impelled horizontally will fall vertically at the same rate as a similar body allowed to fall freely. Comprises spring loaded, L section launcher with holes for locating two 19mm dia steel balls which act as projectiles. Launcher is released by push button and projects one ball forward which allows the other to fall freely. Mounted on wooden block, 180 x 60 x 30mm with storage pocket for balls. Complete with 2 steel balls. Page : 1 |