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Nemetts 15cc engine

attenpting to build this.

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Steve Withnell	30/09/2011 18:31:50
858 forum posts 215 photos	You'll be needing a can of this soon! Works everytime, honest.
wheeltapper	04/10/2011 18:58:29
424 forum posts 98 photos	Hi Steve I hope it doesn't come to that. I had a good day today, I made and fitted the valve guides, cut the valves to length and put the e clip cut in. after assembling the valves in the head I put the liner in the cylinder jacket and bolted the head on. then I jammed a piece of soft plastic tube ( aquarium air line) in to the plug hole and fixed the other end to a small air compressor I have, it gives about 40 psi. holding my hand over the bottom of the liner it blew the line out every time so I assume the valves are sealing. the only thing holding me up now is the timing pulleys and belt. HPC are out of stock of the large pulley. more news as and when. Roy
wheeltapper	04/10/2011 20:27:29
424 forum posts 98 photos	Well they say pride goes before a fall! I thought I would make the timing disc seeing as I'm that close to finishing and I was idly twiddling the camshaft and it suddenly hit me with a thump that the cams were in the wrong positions. however a quick dose of heat from a small blowtorch soon broke the shaftloks grip so I'll do it again properly . I would have sworn I followed the instructions to the letter, obviously not. all I can say is " what a prat" a rather annoyed Roy.
Clive Hartland	04/10/2011 20:43:48
2929 forum posts 41 photos	Better than bent valves Roy, soon fixed I hope! Clive
Steve Withnell	04/10/2011 21:01:53
858 forum posts 215 photos	Posted by wheeltapper on 04/10/2011 20:27:29: Well they say pride goes before a fall! I thought I would make the timing disc seeing as I'm that close to finishing and I was idly twiddling the camshaft and it suddenly hit me with a thump that the cams were in the wrong positions. Steve: Funny, I made exactly the same error!
wheeltapper	04/10/2011 22:02:30
424 forum posts 98 photos	Thats amazing, it makes you think that the instructions were wrong. I'll have a good look tomorrow. Roy
wheeltapper	14/10/2011 18:59:48
424 forum posts 98 photos	Hi I'VE FINISHED and it runs some pics of it ready to run, here are some pics after I stripped, cleaned and polished it up a bit I've got two videos of it running but I don't know if they will work on here. they are on Photobucket at the moment but it looks like I can only use youtube here. I have just started an account there and am uploading as I type this so I'll see what happens. watch this space. Roy
wheeltapper	14/10/2011 19:56:13
424 forum posts 98 photos	OK how do you add a vid link, Roy Edited By wheeltapper on 14/10/2011 20:02:39 Edited By wheeltapper on 14/10/2011 20:05:46 Edited By Katy Purvis on 01/06/2015 11:37:32
Clive Hartland	15/10/2011 10:22:05
2929 forum posts 41 photos	Roy, what an excellent piece of work you have done! If it looks good then it must be good! Clive
wheeltapper	15/10/2011 13:05:06
424 forum posts 98 photos	Thanks Clive, I wish someone would explain to me how to put a youtube link in a post, I tried using the youtube button on the r/h side of the strip above but it doesn't seem to work for me. this forum software is not helpful at all. Roy
MichaelR	15/10/2011 16:26:30
528 forum posts 79 photos
MichaelR	15/10/2011 16:38:14
528 forum posts 79 photos	Wheeltapper, I hope the engine video is your engine. Tick the old embed code box in Youtube and copy and paste the code embed that code. Stick.
wheeltapper	15/10/2011 16:46:18
424 forum posts 98 photos	Cheers Stick, you're a gent. there are two videos on youtube, this is one of them. Roy. Edited By wheeltapper on 15/10/2011 16:46:53
wheeltapper	15/10/2011 16:48:05
424 forum posts 98 photos	I still don't get it, I must be thick. Roy Edited By wheeltapper on 15/10/2011 16:52:55 Edited By wheeltapper on 15/10/2011 17:20:21 Edited By Katy Purvis on 01/06/2015 11:38:42
wheeltapper	15/10/2011 17:21:19
424 forum posts 98 photos	Oh, I get it now cheers Roy
MichaelR	15/10/2011 17:42:34
528 forum posts 79 photos	Good, pleased I could help now looking forward to more videos of your work Stick.
Steve Withnell	15/10/2011 17:56:35
858 forum posts 215 photos	That's the smoothest sounding one I've come across - nicely done! I did notice you haven't fitted the blue smoke generator, a key feature of the version I built Thanks for the video clip, I've been looking forward to seeing it run. If you fancy moving on to a twin, David Parkers Vega 9cc twin is worth a look. There is one running on Youtube. Steve
wheeltapper	15/10/2011 18:15:48
424 forum posts 98 photos	Thanks Steve, I passed on the blue smoke, I didn't think the neighbours would be best pleased. I don't know what to do next, winters coming and an unheated garage is not the place to be. I'll have a look at the twin tho, are there any plans anywhere? Roy
David Clark 1	17/10/2011 12:15:37
3357 forum posts 112 photos 10 articles	Hi There Can you enter this engine into the Model Engineer Exhibition in December. The Nemmet cup is up for grabs. regards David
wheeltapper	17/10/2011 18:33:08
424 forum posts 98 photos	Hi David. I would dearly love to enter it but living where I am it's about 350 miles to the show and I imagine it would have to be there before the show opens and then picked up afterwards. thats four trips or about 1400 miles. I'm sorry but that's just not possible, the thought of the petrol bill alone is frightening. thanks for the thought tho. Cheers Roy

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