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It is obviously based on Gerald Smith's Osprey 3cyl, although with some changes. He also built 5 cylinder (Buzzard) and 7 cylinder (Red Kite) versions of it. The 7cyl was finished posthumously by a good friend of Gerald. His original design was very clever, using the the pushrod tubes as the...

Hello Greg As you are well on the way to understanding the engineering requirements of internal combustion engines, I have no hesitation writing this on an engineering level. Well done, BTW. A few things perhaps worth your consideration: A sand cast crankshaft, built to the size of a steel...

All spring making machines have a wire straightener mounted on the machine before the wire feeder. Often the same applies to power presses for coils of flat strip material. The idea is to start the metal forming with straight material. A little research will show how it is done, as MachineTom...

Hello Andrew, I would say that is a rare chuck. In almost 50 years in engineering I have only seen one other Coote & Jorgensen chuck and that is my 6" 4 jaw. It has been mounted on a backplate for my Heavy 10 South Bend since about 1975. Before that, my father owned it but I have no idea for how...

It sure is getting close now. Wow is it really 4 years since we started following this build? What will we all do when it's finished? :confused:

Chris, as you know, the "original" plans were drawn by the late George D'Angelis in the early 1960s by measuring up Henry Ford's original Quadricycle in the museum. He built and sold several replicas, even selling one, as I recall, to the museum. And of course he sold many sets of his plans, at...

Chris, The Facebook link doesn't work for me, looks like I would need to be a member or something... any chance you might put it on your YouTube channel? It's great to hear it now has compression and runs. Did you fit viton o-rings to the pistons or just running the standard iron piston...

Hi Chris What did you set the ring gap to? I doubt a new set of rings and/or new pistons will solve the problem. New rings are made to run in round bores that are also parallel. OK, not precisely round or parallel, but within acceptable tolerances. As a rough guide, you will get away...

Chris, if you have already tapped the hole 3/8"NPT, a simple option might be to fit a 3/8"NPT pipe plug, drilled and tapped to suit one of the standard metric spark plug threads. The common ones are 10, 12 and 14mm. Pick a common size plug for easy replacements down the track. Just make...

Hi Chris More good work, won't be long before we hear the engine. Next time it's on its wheels, any chance of a video clip of it moving around? Perhaps after you get the seat back from being upholstered. And don't forget your bowler hat! Looking back, there has been a lot of progress...

The "driver's accomodation" is looking good Chris. And the front suspension looks great too. Well done to all you guys. Won't be long before she starts poppin'...! Regards, Ross G radial1951 ____________

Chris, that's great news. Really look forward to seeing it running like it should. BTW, I still can't believe that o-rings actually work for more than a minute or two in an IC engine. Goes against all my instincts, I must admit. Your efforts prove that perseverance and problem solving is...

Hi Chris If everything is clean and it still looses compression inconsistently, then the problem could be a valve not seating correctly. Any errors in the concentricity of the valve stem to the head of the valve, the fit of the valve stem in its guide, the concentricity of the valve seat in...

Hi Chris What's a "grandmaster'? Is that you, Chris?!! A rattle can will be fine, any primer for non-ferrous metal will help the paint to stick. Without it, paint will just chip off too easily. Rough the aluminium surface up with a Scotchbrite pad and degrease thoroughly. Don't handle before...

Chris, that's looking good. I like the mounting feet, very neat, clever idea. If that's aluminium, etch prime it first if you want paint to stay on, as it's right between the driver's boots. Is there a paint/maintenance shop at the college to help with that sort of thing? Regards, RossG...

Hi Chris, Stay calm and don't throw anything, you might miss the engine and hit something important! :D I have photos and video clips of quite a few Quad replicas and every one of them has what looks like various types of carburettors, no doubt because the one made by H.Ford and drawn by...

Hi Chris I couldn't agree more with Chuck, needs a much bigger bore in the carby. How did you end up with a 1/32" diameter venturi? There must be an error, surely the full size engine doesn't have just a 1/16" bore in the carby, more like 3/8"-1/2"dia I would think. I wonder what George...

Hi Chris Could the fuel flooding be caused by the "oiler" fuel tank needle valve being open too much? I assume as soon as you open the valve it dumps a load of fuel (gravity) down to the carby and floods it. Maybe adjusting it to get a drop very few seconds or whatever might provide a...

Hi Chris, That's great progress lately. Good to see the students getting involved. Just a suggestion; as a bearing metal, brass really is useless! (sorry :)) I recall seeing brass crankpins on an engine once, didn't last long... With your probably non-bearing-grade aluminium eccentric strap...

Hi Chris and all Ford Quadricycle Forum members. Here are a couple of small parts to help kick this wonderful project along. A pair of electrical contacts for the ignition system, made from 0.020" brass. Just a token gesture of thanks, to you Chris, for initiating and guiding this project...