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

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Found a Couple Retrol Hit & Miss Engines at the Flea Market! Found a Couple Retrol Hit & Miss Engines at the Flea Market! Junkologist · June 24, 2026, 09:57:09 pm I have to share my stroke of luck at the local flea market last Saturday. I was making my normal rounds when I happened to look ... 6 Replies · 56 Views Started by Junkologist	6 Replies 56 Views	June 25, 2026, 12:54:10 pm by tenniV11
OKMO N01 Vertical Single-Cylinder Engine Model OKMO N01 Vertical Single-Cylinder Engine Model JinMachine · June 16, 2026, 06:05:15 am Here is a new engine model for you: the OKMO N01 Vertical Single-Cylinder Engine.This is a structural model of a vertical single... 2 Replies · 59 Views Started by JinMachine	2 Replies 59 Views	June 16, 2026, 11:00:45 am by Raphael
OKMO 1/4 Scale Lister D Engine with some Mods OKMO 1/4 Scale Lister D Engine with some Mods Jim · June 14, 2026, 10:48:07 pm OKMO RETROL 1/4 Scale Lister D Engine with some Mods. I'm so thoroughly enjoying the Lister D and doing some small mods to it.It... 5 Replies · 80 Views Started by Jim	5 Replies 80 Views	June 16, 2026, 07:15:24 am by Fullraceflathead
D16 Diesel Side Shaft Engine by Retrol from Stirlingkit D16 Diesel Side Shaft Engine by Retrol from Stirlingkit RedRyder · June 23, 2026, 06:34:14 pm Here is my newly arrived diesel engine by Retrol.I was warned in advance by our friend Miller that it is a messy piece of kit.He... 8 Replies · 128 Views Started by RedRyder	8 Replies 128 Views	July 14, 2026, 07:54:00 am by RedRyder
OKMO 916 model engine OKMO 916 model engine JinMachine · May 22, 2026, 05:11:19 am This is a new 916 model engine. We have been preparing for it for over 2 year. It's time to show it to everyone! It has a cranks... 1 Replies · 143 Views Started by JinMachine	1 Replies 143 Views	May 22, 2026, 05:25:18 am by Jim
Single cylinder tractor model Single cylinder tractor model JinMachine · May 13, 2022, 07:25:55 am https://youtu.be/EmiRG8lnKW8 0 Replies · 819 Views Started by JinMachine	0 Replies 819 Views	May 13, 2022, 07:25:55 am by JinMachine
M-12 Battery power M-12 Battery power rcquad · January 08, 2021, 05:14:38 pm Hi Guys & Gals just got another model engine the M-12,I have watched all the videos,and even on the instructions it says install... 0 Replies · 831 Views Started by rcquad	0 Replies 831 Views	January 08, 2021, 05:14:38 pm by rcquad
M16B Engine Model M16B Engine Model JinMachine · January 12, 2021, 05:10:26 pm This is a micro engine. It is made of brass and stainless steel. Air-cooled cooling structure. A carburetor with adjustable spee... 1 Replies · 854 Views Started by JinMachine	1 Replies 854 Views	January 13, 2021, 01:36:03 pm by Raphael
New M16 engine New M16 engine JinMachine · January 08, 2021, 08:10:14 am This is a micro engine. It is made of brass and stainless steel. Air-cooled cooling structure. The hole is 13MM. The stroke is 1... 0 Replies · 858 Views Started by JinMachine	0 Replies 858 Views	January 08, 2021, 08:10:14 am by JinMachine
New M16 engine with water pump New M16 engine with water pump JinMachine · January 24, 2021, 09:55:24 am https://www.ebay.co.uk/itm/373438494438 https://youtu.be/Gi776CcMLaw 0 Replies · 870 Views Started by JinMachine	0 Replies 870 Views	January 24, 2021, 09:55:24 am by JinMachine
Air Power Hammer Model Air Power Hammer Model JinMachine · February 26, 2022, 01:55:52 am Air Power Hammer Model https://youtu.be/mdfEf8M96j8 0 Replies · 878 Views Started by JinMachine	0 Replies 878 Views	February 26, 2022, 01:55:52 am by JinMachine
unidentified 2 cylinder model gas engine unidentified 2 cylinder model gas engine marv in minn · March 15, 2022, 10:47:22 am not for sale, looking for identification of this 2 cyl gas engine. 0 Replies · 895 Views Started by marv in minn	0 Replies 895 Views	March 15, 2022, 10:47:22 am by marv in minn
H74 Holt Caterpillar Twin Cylinder Gas Engine Model by Microcosm Test Run & Demonstration H74 Holt Caterpillar Twin Cylinder Gas Engine Model by Microcosm Test Run & Demonstration RedRyder · October 13, 2022, 09:04:38 pm I finally got around to making a good test run and video of this H74 Holt twin cylinder version of the famous H75 Holt Caterpill... 0 Replies · 895 Views Started by RedRyder	0 Replies 895 Views	October 13, 2022, 09:04:38 pm by RedRyder
Vertical single cylinder engine(H73) Vertical single cylinder engine(H73) JinMachine · November 28, 2021, 08:39:15 am This is a vertical single-cylinder engine that uses a water-cooled structure. It is equipped with a heat sink. It has a speed li... 0 Replies · 900 Views Started by JinMachine	0 Replies 900 Views	November 28, 2021, 08:39:15 am by JinMachine
Engine sizing conventions. Maybe stretching the truth, or maybe it’s more than that. Engine sizing conventions. Maybe stretching the truth, or maybe it’s more than that. Adirondack Jack · January 25, 2022, 02:01:10 pm We have all seen engines marked as a certain displacement, only to find the math doesn’t add up when calculated from the bore an... 0 Replies · 900 Views Started by Adirondack Jack	0 Replies 900 Views	January 25, 2022, 02:01:10 pm by Adirondack Jack
Gasoline tractor adds generator Gasoline tractor adds generator JinMachine · November 21, 2020, 06:35:43 pm https://youtu.be/9Vc2LH7mwjw 0 Replies · 904 Views Started by JinMachine	0 Replies 904 Views	November 21, 2020, 06:35:43 pm by JinMachine
Edgar Westbury Designed Whippet Engine From Stirlingkit.com Edgar Westbury Designed Whippet Engine From Stirlingkit.com Alan UK · August 12, 2022, 05:21:57 am Amazing Channel Donation - The Whippet Engine 0 Replies · 913 Views Started by Alan UK	0 Replies 913 Views	August 12, 2022, 05:21:57 am by Alan UK
soon to be for sale soon to be for sale sundown57 · June 08, 2022, 03:12:41 pm I have been asked to help sell off a collection of steam engines. both original and kits. this is just a small sample there are... 0 Replies · 914 Views Started by sundown57	0 Replies 914 Views	June 08, 2022, 03:12:41 pm by sundown57
M90 M90 Randy Tucker · November 01, 2022, 09:01:42 pm A friend of mine is looking for a small hit miss engine for a Christmas present for thier son. I suggested one of these so I was... 1 Replies · 918 Views Started by Randy Tucker	1 Replies 918 Views	November 02, 2022, 11:28:46 am by Raphael
Double -cylinder V -type motorcycle engine model R28 Double -cylinder V -type motorcycle engine model R28 JinMachine · May 28, 2022, 09:50:24 am This is a V -type dual -cylinder gasoline engine, which is processed by brass and stainless steel. Our development inspiration c... 0 Replies · 919 Views Started by JinMachine	0 Replies 919 Views	May 28, 2022, 09:50:24 am by JinMachine

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