Fen End Pit - Slater's Simplex - more progress
Entry posted by Fen End Pit
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An enjoyable night out yesterday gave a chance to stick more beautiful castings on the Simplex. Getting the bearing for the fan into the radiator meant I could try out the drive for the radiator fan. Very satisfyingly the motor drive works, I had to reduce the 'dimming' on the accessory output (to increase the power to the fan motor) which had the benefit of reducing the 'whine' caused by the pulse width modulation effect on the coreless motor.
Putting these castings on is a real pleasure, the quality is superb, though there are a couple of places when I wonder if they perhaps over did the castings and bending a bit of wire might have done just as well.
I want to try and work out a way to make the radiator protection grill, which holds the second bearing for the radiator fan, removable in some way. I'm cautious about 'locking-in' the rubber belt which drives the fan. Might be a job for some fiddling nuts and bolts.
David
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7
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