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I have one of the Chinese ignition modules that was working fine until the earth wire became detached. Reading various places about these modules failing, it is probably the Hall sensor that has fried. I'm considering getting a replacement Hall sensor to try, but the ones I have seen have 3...

My long term project has stalled and as I had been given 4 week's notice of a visit to the Body Shop for some R & R (= hospital for some Renewal and Rejuvenation) I thought it a good idea to undertake a quickie project before absence from the workshop set in. I've looked at Elmer's no.35 pump...

I needed to make some washers with one concave side. The easiest way was to use a fly cutter to scallop out the concave face on the end of a bar. So, a piece of 1-1/4" bar was quickly fashioned into a fly cutter using a piece of 3/16" HSS as the cutter. Only when it was finished and inserted...

A while ago I saw a small filing machine for sale on eBay. There were quite a few pics of it - enough for me to make a copy. One of the pics gave a partial view of the original design from the book 'Practical Benchwork for Horologists' and this gave a starting point with regard to size. I've...

Any member of the 7 x 12 MiniLathe group will probably have watched this. For anyone who hasn't, it is an interesting watch on how he built the engine and bike and takes it on the road for a spin. Dave The Emerald Isle

I've recently completed making an Edison dynamo from about 1890. This has been an on/off project for a couple of years filling in during other jobs. It started off with me buying a set of castings from Poland. At the time, I had no idea what an Edison dynamo was or looked like, but it...

Jim do you still visit this forum? If so, I've sent you a message. Anyone know how to contact Jim? Dave The Emerald Isle

Ignition on an old-time model 4 stroke engine with simple points. I get a spark at the plug when the points close but also get a spark at the points at the same time. I understood that sparking at the points was due to a bad condenser, but I've tried 3 different New condensers with no change...

Video of my Essex engine from Myfordboy's castings. Dave The Emerald Isle

Any helicopter pilots amongst us? The following video will make you want to take your anti-airsickness pills! Dave The Emerald Isle

I've had the castings lying about for more than 3 years. As they are aluminium, I can't really claim that they have been waiting to be normalised. MyfordBoy did a very good series of videos on how to make the engine and it was after watching them that I decided to get the castings. They are...

Here you are. Who needs all that sophisticated stuff? The example shown is a cast ali pot. Dave The Emerald Isle

I have a model single cylinder slow revving engine using traditional points and coil ignition. The points have started to spark so I imagine the condenser has failed, but there is still a spark at the plug. I've no idea what condenser is on the engine at the moment. The coil is a 12v...

I have just returned home after attending the Bristol SMEE show. Perhaps the world-wide membership would like to see the range of exhibits at the show. This first post covers the internal combustion engines that I photoed. The Gas Turbine Builders showed a part constructed British gas...

Now that the engine has been completed, here is a video of it on its first run. I tried to use a tea light as heat source initially but it did not give enough heat, so a Mamod fuel pellet was used with success. The engine is bouncing around a bit because it is only resting on the cork mat...

I started making one of these engines from Polly Models castings some years ago, but after 3 bad flywheel and 2 bad power cylinder castings, I lost interest. Unfortunately, many of the original build notes on the forum seem to have been lost during the changeover. This is how it was left: A...

In May 1994 Model Engineer mag, Don Unwin described his method of making small studs, bolts and nuts (0BA down to 8BA) with a few simple bits of tooling. Some time afterwards I made the arbor and a couple of holders. Fast forward to now and I needed some studs for my present project, but I...

A couple of years ago, I downloaded the drawings for an electro-mechanical engine by T P Goff who styles himself as ICENI Engineering Design Ltd. I thought they appeared on this forum, but after a quick search I cannot find them again. Needing a break from my present project, I thought this...

I wanted a tilting table I could quickly set up and use for small jobs without disturbing the alignment of the Thiel mill table. 'Elsewhere' I have seen pictures of a simple device that fits in the machine vice, so I made a copy of the idea with the material I had available. The half diameter...

I have a pair of Mitutoyo 6" digital calipers and they are silky smooth in operation. 6" is too long if I want to measure something in the milling machine, so I recently bought a set of 4" digital calipers for that purpose. Man, are they rough but for £7 including postage, I didn't expect...