General Discussion - Scale Model Gas Engines - Hit & Miss - Throttle Governed - Non-Compression

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Changing the water jacket O rings in a Hit & Miss engine Changing the water jacket O rings in a Hit & Miss engine Jim · November 10, 2020, 06:28:05 pm Anyone had to change the water jacket O rings in a Hit & Miss engine? https://youtu.be/0oYgB3FBqjc 0 Replies · 1046 Views Started by Jim	0 Replies 1046 Views	November 10, 2020, 06:28:05 pm by Jim
Propane/butane for H and M. Anybody done it? Propane/butane for H and M. Anybody done it? Adirondack Jack · November 05, 2020, 05:26:50 pm Just pondering the possibilities. The small engine conversions for lawn mower sized engines seem to do well, burning extremely ... 9 Replies · 4020 Views Started by Adirondack Jack	9 Replies 4020 Views	November 10, 2020, 02:09:55 pm by Adirondack Jack
M95 gasoline engine model M95 gasoline engine model JinMachine · November 08, 2020, 07:21:02 pm This is a new engine, and the big crankshaft is very difficult. [ Guests cannot view attachments ] [ Guests cannot view attachm... 2 Replies · 1272 Views Started by JinMachine	2 Replies 1272 Views	November 09, 2020, 12:30:52 pm by tony1951
1/4 Scale Model of a 4 HP Star Hit & Miss Gas Engine 1/4 Scale Model of a 4 HP Star Hit & Miss Gas Engine RedRyder · November 07, 2020, 06:20:12 pm I think it was 2011 when I last made a video of this engine.It was clearly time to bring it up from the shop and set it on a ben... 4 Replies · 2308 Views Started by RedRyder	4 Replies 2308 Views	November 08, 2020, 09:07:06 am by Nick
Got the M90 down to around 48 hits a minute with softer springs Got the M90 down to around 48 hits a minute with softer springs Jim · October 24, 2020, 09:01:36 pm Got the M90 down to around 48 hits a minute with softer springs. https://youtu.be/LDhDwSAnTns 10 Replies · 3541 Views Started by Jim	10 Replies 3541 Views	November 07, 2020, 04:23:36 pm by Jim
Advise on china "M" series hit and miss small engines? Advise on china "M" series hit and miss small engines? ShadetreeMotorcycle · October 27, 2020, 08:52:49 pm Ok, I have been bitten by the bug to purchase a China M series and try to tune for lowest possible hits per min. I am wonderin... 27 Replies · 10599 Views Started by ShadetreeMotorcycle « 1 2 »	27 Replies 10599 Views	November 06, 2020, 08:09:38 pm by ShadetreeMotorcycle
A few little mods A few little mods Jim · October 26, 2020, 10:40:37 pm Hit & Miss Engine a few little Modifications https://youtu.be/neDWtN_X61Q 8 Replies · 3706 Views Started by Jim	8 Replies 3706 Views	November 06, 2020, 04:35:58 pm by Jim
How to save some money for a M92 How to save some money for a M92 Raphael · September 12, 2020, 11:04:49 am Bonjour,As a lot of you guys are happy with the Microcosm M92 Hit & Miss, I have decided to buy one, but it is a little bit expe... 25 Replies · 8364 Views Started by Raphael « 1 2 »	25 Replies 8364 Views	November 06, 2020, 01:28:32 pm by Raphael
Videos of slow running M90 Hit & Miss Engines Videos of slow running M90 Hit & Miss Engines Jim · October 22, 2020, 05:11:54 pm Found these two videos of slow running M90 Hit & Miss Engines.What's the forum brains trust think of how these two are running?h... 11 Replies · 4190 Views Started by Jim	11 Replies 4190 Views	November 05, 2020, 04:35:34 pm by Belugawhaleman
BMW Motorcycle engine model BMW Motorcycle engine model JinMachine · November 02, 2020, 09:07:19 am https://youtu.be/CRrv9WlHkT0 6 Replies · 1697 Views Started by JinMachine	6 Replies 1697 Views	November 04, 2020, 11:42:57 am by tony1951
That’s why it’s a hobby, not a profession. The trial and error. Timing..... That’s why it’s a hobby, not a profession. The trial and error. Timing..... Adirondack Jack · October 29, 2020, 10:33:01 pm I bought myself a bit of a conundrum followed by some work that’ll be needed to sort it. The ongoing talk of making the M series... 9 Replies · 2560 Views Started by Adirondack Jack	9 Replies 2560 Views	November 02, 2020, 08:53:56 pm by Adirondack Jack
Another engine on the way. Need water cooling for the Visa card. Another engine on the way. Need water cooling for the Visa card. Adirondack Jack · October 31, 2020, 01:47:55 pm Went and took a dive off the big board this morning. Ordered up a 32CC in-line four cylinder, ohv, water cooled, gasoline powere... 6 Replies · 2019 Views Started by Adirondack Jack	6 Replies 2019 Views	November 01, 2020, 08:21:34 am by Hero
M90 crankshaft main ball bearing whizzing sound? M90 crankshaft main ball bearing whizzing sound? ShadetreeMotorcycle · October 30, 2020, 04:47:44 pm Waiting on my engine from china, I have been watching videos of M series hit and miss engines and noticed a very prominent ball ... 5 Replies · 1316 Views Started by ShadetreeMotorcycle	5 Replies 1316 Views	October 31, 2020, 06:43:54 am by RedRyder
O Ring Replacements O Ring Replacements Jim · October 29, 2020, 06:08:56 pm Are these suitable O rings for Jin's engines (do all his H&M models take the same size 20mm x 1mm?) [ Guests cannot view attachm... 6 Replies · 1382 Views Started by Jim	6 Replies 1382 Views	October 29, 2020, 10:40:19 pm by Jim
M90 piston o-ring upgrade? M90 piston o-ring upgrade? ShadetreeMotorcycle · October 29, 2020, 08:10:16 am Hello, I am impatiently waiting for my engine to arrive...I have Many upgrades planned....has anyone tried a Teflon o-ring on th... 5 Replies · 1570 Views Started by ShadetreeMotorcycle	5 Replies 1570 Views	October 29, 2020, 06:28:17 pm by RedRyder
New M15 engine New M15 engine JinMachine · October 25, 2020, 10:04:01 am This is a micro engine model, M15. It is a diesel engine as a design sample. It is made of brass and stainless steel. The main b... 2 Replies · 1047 Views Started by JinMachine	2 Replies 1047 Views	October 29, 2020, 10:41:23 am by Adirondack Jack
Update: the miniature woodworking shop for the M91 has a wood lathe. Update: the miniature woodworking shop for the M91 has a wood lathe. Adirondack Jack · October 09, 2020, 08:26:56 pm In the quest to give the M91 some work to do, the miniature woodworking shop project continues. The first major machine is just... 8 Replies · 2486 Views Started by Adirondack Jack	8 Replies 2486 Views	October 28, 2020, 08:07:54 pm by Nick
Mini four-cylinder engine model Mini four-cylinder engine model JinMachine · October 18, 2020, 09:12:27 pm https://youtu.be/gsxylXBOomE 2 Replies · 1000 Views Started by JinMachine	2 Replies 1000 Views	October 28, 2020, 06:41:00 pm by Adirondack Jack
Jim's Hit & Miss Engine M92 Jim's Hit & Miss Engine M92 Jim · October 15, 2020, 09:20:32 pm Jim's Hit & Miss Engine M92Having a lot of fun with this engine since getting it yesterday. How's it running?https://youtu.be/PI... 17 Replies · 4328 Views Started by Jim « 1 2 »	17 Replies 4328 Views	October 28, 2020, 06:23:51 pm by Adirondack Jack
Don't Know If This Should Go Under Full-Scale or Model Economy Engine Don't Know If This Should Go Under Full-Scale or Model Economy Engine crazydoug · October 24, 2020, 09:44:55 pm I had an opportunity at a recent engine show to compare my tiny model Economy hit and miss engine with a rather large full-scale... 4 Replies · 1273 Views Started by crazydoug	4 Replies 1273 Views	October 27, 2020, 07:41:40 pm by RedRyder

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