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I have owned a chinese pillar drill for many years, its accurate and works well for what it cost. The chuck has decided to lose all its gear teeth (a bit like its owner) and I need to replace it. Heres the snag: the end of the drill spindle has a male JT33 taper, but replacement chucks with...

The title sums up my problem, but this is not your average engine :) Its a 2 cylinder 2 stroke, running on petrol, with horizontally-opposed pistons and the spark plugs in the centre of each cylinder. It uses a small vane-type supercharger to scavenge the cylinders, and the inlet piston lags...

I know its not engines, but I was wondering if anyone else on here had experimented with making their own watches? I don't mean necessarily all of the gears etc, just making their own unique wristwatch from off the shelf movements. I recently had a go at a prototype, and was encouraged enough...

Hi all. I have been working on a new engine and am having trouble getting a strong and true crankshaft - the engine is a horizontally opposed 2 stroke, with two 'clapping hands' pistons per cylinder, which makes it difficult to make a non-wobbly fabricated crank. The bores are 30mm with each...

I just finished my first engine, something I've wanted to do since god was a boy. Learned a lot, and made lots of mistakes along the way. Its my own design, a single cylinder 2 stroke glow engine, using a second cylinder to provide the charge, and a off the shelf carburettor from Just Engines...

Hi Chaps, I recently joined this forum having just completed my very first engine - a single cylinder 2 stroke glow engine with secondary scavenge/charge cylinder of my own design. To my complete astonishment, it fired up and ran, although to be fair it was a pig to get started and after...

Apologies if this has been covered before. I am building my first 2 stroke glow engine with ringed pistons and I need to prevent the rings from rotating to stop the ends from snapping when they meet the ports. The cylinder is 19mm diameter and the rings only 1mm wide, so although the obvious...