All the materials you need for a class of 30
Success guaranteed for beginners or experienced teachers with minimum preparation
time
Inventa Class Pack - Mechanisms. REDUCED to only 55.00 69.99 Code # MECDIS
Obtain successful results developing making skills and exploring
simple gear and pulley mechanisms. Less than 10 minutes preparation
required for up to three hours of lesson time. Years 4 - 9.
Inventa Class Pack - Structures. REDUCED to only 55.00 69.99 Code # STRUDIS
A three hour activity developing making skills and an understanding
of structures using frames and sheet material. Teachers, this
will prove to be a successful activity with your class irrespective
of your experience in this area of curriculum. Years 4 - 9.
The INVENTA series:
Mechanisms Demonstration Sets.
Each set comes with appropriate text plus the supporting physical resources
(gears, pulleys, Cams etc) covering six areas of mechanisms as listed.
The text looks closely at the background and historic information on mechanisms.
Scientific and mathematical principles of the mechanism are demonstrated
and investigated as is a summary of the principal mechanisms and their
salient features. Suitable for Science and Technology years 5 -12 class
presentations. Each $P.O.A.
Available mid. 1999
Book 1 THE MACHINE
#MECSER1
Looks at studying the machine, examining mechanisms, machine
rules, mechanical advantage, velocity ratio, efficiency, force, torque
and the law of the machine.
Book 2 LEVERS AND LINKAGES
#MECSER2
Contents; levers, movement; magnification, loads, balances,
cranks, toggles and sliders.
Contents; endless bands, belt drives, bicycle chains,
caterpillar tracks, pulley drives, conveyors, compound drives, lay
shaft drives, cross belt drives etc.
Book 5 GEARS
#MECSER5
Contents; Gear materials, gear trains, idlers, reduction
gearboxes, worm drives, rack and pinion, bevel gears, mathematical
gearing, power transmission & so on.
Book 6 RAMPS, WEDGES, SCREWS AND CAMS
#MECSER6
Contents; Ramps to position loads, moving ramps, power
screws, instrument screws, basic cams, peg cams, positive displacement
cams, wedges as cams, eccentric cams etc.
