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

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OKMO Microcosm B01 Gas Hit & Miss Engine Driving an Old Water Pump via a DIY Homemade Transmission OKMO Microcosm B01 Gas Hit & Miss Engine Driving an Old Water Pump via a DIY Homemade Transmission Jim · September 28, 2025, 08:33:13 pm B01 Ball Top Monitor Gas Hit & Miss Engine Driving an Old Antique Pericaud Water Pump via a DIY Homemade Transmission that I mad... 13 Replies · 116469 Views Started by Jim	13 Replies 116469 Views	October 15, 2025, 06:03:28 pm by Jim
OKMO 1110 OKMO 1110 rodnoc · October 13, 2025, 01:41:05 pm They just keep getting better! What vintage engine is this one modeled after?https://www.okmomodel.com/OKMO-1110-classic-gasoli... 3 Replies · 11411 Views Started by rodnoc	3 Replies 11411 Views	October 13, 2025, 03:24:15 pm by RedRyder
Z-01 Model Fairbanks "Z" Arrived Today from Jin and I Have it Running on Video! Z-01 Model Fairbanks "Z" Arrived Today from Jin and I Have it Running on Video! RedRyder · September 10, 2025, 07:14:29 pm The long wait is over !Below are a couple photos and a video. At least some pictures.... Just tried to publish video and YouTube... 12 Replies · 59775 Views Started by RedRyder	12 Replies 59775 Views	October 02, 2025, 02:27:43 am by JinMachine
First Run of my B01 Ball Top Monitor Hit & Miss Engine First Run of my B01 Ball Top Monitor Hit & Miss Engine Jim · September 25, 2025, 11:51:21 pm First Run of my B01 Ball Top Monitor Hit & Miss Engine Really no really taken with how awesome this engine just looks and runs!I... 5 Replies · 20851 Views Started by Jim	5 Replies 20851 Views	September 26, 2025, 03:50:49 pm by Jim
Z01 ENGINE delivers Jin Z01 ENGINE delivers Jin JinMachine · September 13, 2025, 10:01:42 pm Next Engine will 1110 ENGINE.It will use metal piston rings, which have two gas rings and one oil ring respectively. The machine... 2 Replies · 8135 Views Started by JinMachine	2 Replies 8135 Views	September 14, 2025, 09:42:18 am by Fullraceflathead
Z01 Jin's Latest Creation Ready for Pre-Order Z01 Jin's Latest Creation Ready for Pre-Order RedRyder · July 16, 2025, 10:03:24 pm If you order use discount code Z100 for your pre-orders.https://www.okmomodel.com/OKMO-Z01-Throttle-Regulator-Gasoline-Engine-Mo... 7 Replies · 11198 Views Started by RedRyder	7 Replies 11198 Views	September 11, 2025, 12:33:12 pm by RedRyder
Z01 engine model Z01 engine model JinMachine · July 09, 2025, 11:53:20 pm The production of B01 engine is almost completed!This is a new engine we have developed, and its functions are the most acceptab... 15 Replies · 19923 Views Started by JinMachine « 1 2 »	15 Replies 19923 Views	September 11, 2025, 02:47:37 am by Raphael
Allman model gas engine Allman model gas engine parallelmotion · September 06, 2025, 03:36:54 pm I'm really a hot air and steam engine guy but couldn't pass this one up. It's a 1/3 scale model of a 3/4 hp inverted engine made... 3 Replies · 12229 Views Started by parallelmotion	3 Replies 12229 Views	September 06, 2025, 04:56:02 pm by Stoker
Microcosm / Okmomodel M15 and M26 engines first runs Microcosm / Okmomodel M15 and M26 engines first runs Raphael · August 29, 2025, 12:57:40 pm Bonjour,These two engines are quite similar.My friend Eric and I have spent hours to find the correct adjustment of the needle v... 2 Replies · 7825 Views Started by Raphael	2 Replies 7825 Views	September 01, 2025, 06:49:19 am by RedRyder
Which Hit & Miss? Which Hit & Miss? SteamerJ · August 20, 2025, 04:02:08 pm If you were only planning on having one miniature Hit & Miss engine what would you pick? I’m pondering getting one but hoping t... 9 Replies · 12524 Views Started by SteamerJ	9 Replies 12524 Views	August 31, 2025, 08:35:03 pm by Jim
OKMO R32 Harley Davidson Shovelhead Miniature Model Motorcycle Gas Petrol Engine Microcosm OKMO R32 Harley Davidson Shovelhead Miniature Model Motorcycle Gas Petrol Engine Microcosm Jim · August 16, 2025, 06:07:03 pm OKMO R32 Harley Davidson Shovelhead Miniature Model Motorcycle Gas Petrol Engine MicrocosmI do like these! First run, I haven't ... 6 Replies · 15777 Views Started by Jim	6 Replies 15777 Views	August 17, 2025, 06:09:01 pm by Jim
Jin's New Model - Ball Top Monitor Hit & Miss Engine B01 Jin's New Model - Ball Top Monitor Hit & Miss Engine B01 Jim · March 21, 2025, 05:45:29 pm Jin's New Model - Ball Top Monitor Hit & Miss Engine B01This is a fantastic new release from Jin & Okmo.Ball Top Monitor Hit and... 49 Replies · 45105 Views Started by Jim « 1 2 3 4 »	49 Replies 45105 Views	August 05, 2025, 05:52:50 pm by Jim
Jin's New Model -OKMO B02 engine Jin's New Model -OKMO B02 engine JinMachine · July 24, 2025, 11:51:05 pm This is one of the third engines customized in 25 years.Jin https://youtu.be/o1QwovDax6w 4 Replies · 9246 Views Started by JinMachine	4 Replies 9246 Views	July 27, 2025, 11:30:47 pm by JinMachine
Jin Z01-Throttle-Regulator-Gasoline-Engine new short video Jin Z01-Throttle-Regulator-Gasoline-Engine new short video JinMachine · July 17, 2025, 12:10:50 am 1. Throttle Governor2. Mechanical Ignition3. Pump Fuel Feed4. Speed RegulatorShips in SeptemberPre-order her... 2 Replies · 4928 Views Started by JinMachine	2 Replies 4928 Views	July 17, 2025, 01:59:33 pm by Raphael
Extremely rare, Karl, the only Hit & Miss engine sold in Europe, and only as a kit! Extremely rare, Karl, the only Hit & Miss engine sold in Europe, and only as a kit! Raphael · June 09, 2025, 12:29:34 pm Bonjour,A big thank you to Max, who built this exceptional and extremely rare engine and then allowed me to add it to my collect... 2 Replies · 6098 Views Started by Raphael	2 Replies 6098 Views	July 12, 2025, 01:52:21 am by Raphael
Olds Gearless 1/2 Scale Model Hit & Miss Gas Engine Olds Gearless 1/2 Scale Model Hit & Miss Gas Engine RedRyder · June 30, 2025, 08:18:23 pm I agreed to acquire this fine engine a few months ago and it was delivered to me at the Coolspring Show last week. It had never... 10 Replies · 13517 Views Started by RedRyder	10 Replies 13517 Views	July 03, 2025, 02:51:41 pm by RedRyder
Atkinson engine- need help Atkinson engine- need help crazydoug · June 21, 2025, 06:32:52 pm Another coolspring purchase. Does anyone have drawings for the mixer mine is missing? 2 Replies · 4682 Views Started by crazydoug	2 Replies 4682 Views	July 03, 2025, 02:42:23 pm by MadeForThat
Coolspring Power Museum June 2025 World Class Antique Gas Engine Show Coolspring Power Museum June 2025 World Class Antique Gas Engine Show RedRyder · July 01, 2025, 05:50:07 pm Coolspring Power Museum Antique Gas Engine Show... This year engines from International Harvester were featured. To name a few I... 4 Replies · 6350 Views Started by RedRyder	4 Replies 6350 Views	July 02, 2025, 12:22:23 pm by RedRyder
2 more Coolspring buys 2 more Coolspring buys crazydoug · June 21, 2025, 06:51:33 pm The fellow set up next to Gil, had these 2 bar stock built engines for sale. I bought them both (sorry Gil) . 1 is a phil duclos... 3 Replies · 4682 Views Started by crazydoug	3 Replies 4682 Views	June 22, 2025, 08:48:56 pm by Bobsmodels
Found on the way to Rollag… Found on the way to Rollag… Nick · June 16, 2025, 12:38:44 pm Not the kid, found him awhile back 😂 but may have added something to the collection on my way to “Kid’s Day/Steam School Weekend... 7 Replies · 6048 Views Started by Nick	7 Replies 6048 Views	June 21, 2025, 09:17:55 pm by txlabman

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