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

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First impressions, 32cc water cooled ohv four cylinder engine. First impressions, 32cc water cooled ohv four cylinder engine. Adirondack Jack · December 01, 2020, 05:24:32 pm Today is the day, I got a new toy. The 32cc water cooled, four cylinder inline ohv engine from enginediy.com (also available at ... 8 Replies · 2492 Views Started by Adirondack Jack	8 Replies 2492 Views	December 13, 2020, 09:43:56 am by Adirondack Jack
M90 Re-thinking 2nd O-ring Removal ? M90 Re-thinking 2nd O-ring Removal ? 70Rcode · December 05, 2020, 02:09:16 pm Noticing the popular recommendation of 2nd O-Ring removal for lube issues, after Very lite below piston cylinder wall ptfe oilin... 13 Replies · 5211 Views Started by 70Rcode	13 Replies 5211 Views	December 11, 2020, 08:34:04 am by Adirondack Jack
Anybody have experience with ball governors? Anybody have experience with ball governors? Adirondack Jack · December 10, 2020, 02:41:13 am My current project is building a sawmill to be run by the 32cc inline four engine. It is of course throttle controlled. I’m turn... 1 Replies · 1228 Views Started by Adirondack Jack	1 Replies 1228 Views	December 10, 2020, 08:12:40 pm by 70Rcode
M90 Cleaner Running Lubricant Trial Test M90 Cleaner Running Lubricant Trial Test 70Rcode · November 26, 2020, 01:48:01 am Playing around with my M90 using way Reduced MMO gas mix ratio ...Using MMO's standard recommended 0.3% lube/gas ratio at 1 drop... 12 Replies · 5218 Views Started by 70Rcode	12 Replies 5218 Views	December 01, 2020, 10:49:58 pm by Adirondack Jack
Mini engine (M14) Mini engine (M14) JinMachine · November 26, 2020, 08:28:35 pm This is a micro engine. It is made of brass and stainless steel. Air-cooled cooling structure. The ignition device is powered by... 0 Replies · 1256 Views Started by JinMachine	0 Replies 1256 Views	November 26, 2020, 08:28:35 pm by JinMachine
5-cyl Radial 5-cyl Radial Hero · March 10, 2019, 02:37:22 pm Just to help populate this area of the forum, here's a model radial aircraft engine. I can't take credit for building it, but I ... 7 Replies · 3663 Views Started by Hero	7 Replies 3663 Views	November 26, 2020, 07:11:57 pm by Hero
M15 gasoline engine model M15 gasoline engine model JinMachine · November 21, 2020, 06:17:01 pm https://youtu.be/MWAZ1BWuofI 1 Replies · 992 Views Started by JinMachine	1 Replies 992 Views	November 22, 2020, 05:12:01 am by Raphael
Gasoline tractor field work video Gasoline tractor field work video JinMachine · November 21, 2020, 06:37:05 pm https://youtu.be/WAI3RfzqKas 1 Replies · 923 Views Started by JinMachine	1 Replies 923 Views	November 22, 2020, 05:06:57 am by Raphael
Mini Impeller Pump P70 VIDEO Mini Impeller Pump P70 VIDEO JinMachine · November 21, 2020, 06:12:33 pm https://youtu.be/_m1xV2b2aIs 6 Replies · 1423 Views Started by JinMachine	6 Replies 1423 Views	November 22, 2020, 03:09:42 am by Raphael
Gasoline tractor rear working accessories Gasoline tractor rear working accessories JinMachine · November 21, 2020, 06:31:58 pm https://youtu.be/l4nt7etUZ8k 2 Replies · 949 Views Started by JinMachine	2 Replies 949 Views	November 22, 2020, 12:43:54 am by Jim
Gasoline tractor adds generator Gasoline tractor adds generator JinMachine · November 21, 2020, 06:35:43 pm https://youtu.be/9Vc2LH7mwjw 0 Replies · 900 Views Started by JinMachine	0 Replies 900 Views	November 21, 2020, 06:35:43 pm by JinMachine
Governing a throttle controlled four stroke. Microcosm to the rescue. Governing a throttle controlled four stroke. Microcosm to the rescue. Adirondack Jack · November 19, 2020, 06:00:43 pm I’m still awaiting delivery of the 32cc inline four OHV four stroke engine. I intend to build a sawmill around it. Perusing the ... 0 Replies · 1173 Views Started by Adirondack Jack	0 Replies 1173 Views	November 19, 2020, 06:00:43 pm by Adirondack Jack
If you’re gonna slow em down, a laser tach is a great piece of kit to have If you’re gonna slow em down, a laser tach is a great piece of kit to have Adirondack Jack · November 13, 2020, 06:19:28 pm Thinking about the quest to slow down hit and miss engines at idle, mucking about with Governor spring length and Spring rate... 5 Replies · 2304 Views Started by Adirondack Jack	5 Replies 2304 Views	November 19, 2020, 05:40:20 pm by Hero
Less Than 7 Hours to Send in Christmas Engine of the month Entries Less Than 7 Hours to Send in Christmas Engine of the month Entries RedRyder · November 15, 2020, 04:17:16 pm Less Than 7 Hours to Send in Christmas Engine of the month Entries.Please send in some pictures of an engine in a Christmas them... 0 Replies · 1005 Views Started by RedRyder	0 Replies 1005 Views	November 15, 2020, 04:17:16 pm by RedRyder
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 · 1037 Views Started by Jim	0 Replies 1037 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 · 3981 Views Started by Adirondack Jack	9 Replies 3981 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 · 1259 Views Started by JinMachine	2 Replies 1259 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 · 2288 Views Started by RedRyder	4 Replies 2288 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 · 3508 Views Started by Jim	10 Replies 3508 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 · 10497 Views Started by ShadetreeMotorcycle « 1 2 »	27 Replies 10497 Views	November 06, 2020, 08:09:38 pm by ShadetreeMotorcycle

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