The following are cover sheets to help you organise and record all evidence for your
GCSE. For each GCSE Engineering Unit all the requirements are listed on a sheet
that you can put into your folder. You have to show where you have used the skills
and knowledge in your work.
DESIGN TOPIC UNIT 1 UNIT 2 UNIT 3
Design & Graphical Engineered Application
of Communication Products Technology
Need some help with clutch setup? Click on the image to get some essential advice
The Leo engine is now unavailable and we have had to find an alternative. Having
searched for a suitable replacement we are now using the STS 21E.
This brings about the first significant change to the engine style since the start
of Formula Schools.
Cylinder: 3.48cc Bore: 16.20mm / Stroke:16.80mm
Crankshaft : 14mm SG type
Carburettor : 2 Needles Slide 8 mm Piston / Sleeve : ABC 3 port
The new engine has an SG crank which means that the clutch bell is mounted in a slightly
In order that we can keep the belt drive system the drum we supply will need two
M3 washers on the end of the crank-shaft, this is to stop the retaining bolt from
tightening the clutch drum onto the crankshaft. See diagram and engine instructions
(in the box) for greater detail. A good modification would be to increase the belt
width to 1/2?, if you are interested in a clutch and pulley to suit please e-mail