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

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miniature opposed twin R90S boxer engine review miniature opposed twin R90S boxer engine review Adirondack Jack · September 28, 2021, 04:57:45 pm The latest offering from Microcosm and others, the R90S opposed twin engine has arrived. Overall I’m really impressed with the e... 16 Replies · 3822 Views Started by Adirondack Jack « 1 2 »	16 Replies 3822 Views	January 26, 2022, 01:07:59 pm by Woe is me
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 · 902 Views Started by Adirondack Jack	0 Replies 902 Views	January 25, 2022, 02:01:10 pm by Adirondack Jack
Harley Davidson Big twin engine Harley Davidson Big twin engine JinMachine · January 18, 2022, 07:54:48 pm [ Guests cannot view attachments ] [ Guests cannot view attachments ] [ Guests cannot view attachments ] [ Guests cannot vie... 4 Replies · 1263 Views Started by JinMachine	4 Replies 1263 Views	January 21, 2022, 06:51:32 pm by gamma13r
ID again. ID again. Redvette · January 08, 2022, 09:27:34 am Please ID these two for me. 3 Replies · 1121 Views Started by Redvette	3 Replies 1121 Views	January 14, 2022, 06:23:29 pm by Redvette
Russians make a steam powered lada Russians make a steam powered lada Bentwings · January 06, 2022, 02:39:35 pm You guys gotta see this. You tube Chanel is my favorite. I don’t know how to copy the site directly so I’ll just give the name a... 3 Replies · 1122 Views Started by Bentwings	3 Replies 1122 Views	January 07, 2022, 02:09:02 pm by Junkologist
H74 abuse H74 abuse rodnoc · December 26, 2021, 01:41:09 am An H74 video that was difficult to watch… https://tinyurl.com/yw6bnu8x One or two finger taps over the intake as a choke would... 4 Replies · 1356 Views Started by rodnoc	4 Replies 1356 Views	January 01, 2022, 02:23:02 pm by Junkologist
Mini Pan Head V-Twin First Attempt at Start-Up - Cison V2 Now with Part 2 It Runs...!!! Mini Pan Head V-Twin First Attempt at Start-Up - Cison V2 Now with Part 2 It Runs...!!! RedRyder · November 27, 2021, 09:12:47 pm .I finally got a bit of free time to try to start the V-Twin Harley Panhead replica in miniature.Wants to run but I have a learn... 33 Replies · 7162 Views Started by RedRyder « 1 2 3 »	33 Replies 7162 Views	December 31, 2021, 10:27:20 pm by RedRyder
Another 4 lb. Box Arrives at The office of Steam! Another 4 lb. Box Arrives at The office of Steam! RedRyder · November 16, 2021, 11:04:33 am Another 4 lb. Box Arrives at The office of Steam! [ Guests cannot view attachments ] 26 Replies · 6789 Views Started by RedRyder « 1 2 »	26 Replies 6789 Views	December 19, 2021, 07:29:51 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 · 905 Views Started by JinMachine	0 Replies 905 Views	November 28, 2021, 08:39:15 am by JinMachine
New Vertical four-cylinder engine (H75) New Vertical four-cylinder engine (H75) JinMachine · November 25, 2021, 08:33:36 am This is a vertical duplex gasoline engine engine, which is made of brass and stainless steel. It uses water circulation cooling ... 4 Replies · 1285 Views Started by JinMachine	4 Replies 1285 Views	November 28, 2021, 08:33:57 am by JinMachine
Exactly like a Harley pan-head V2 engine Exactly like a Harley pan-head V2 engine Laynelee · September 10, 2021, 06:39:29 am I saw this V2 engine on enginediy.com (https://bit.ly/2VqHjwg). It is very cool and has the flavor of a Harley motorcycle pan-he... 6 Replies · 1773 Views Started by Laynelee	6 Replies 1773 Views	November 18, 2021, 07:46:11 pm by RedRyder
M17 small hit and and miss video? M17 small hit and and miss video? ShadetreeMotorcycle · April 24, 2021, 06:16:54 pm I like the look of this model, it seems noticeable smaller with 13mm bore than an M90. I think the brass construction and curve... 25 Replies · 5802 Views Started by ShadetreeMotorcycle « 1 2 »	25 Replies 5802 Views	November 06, 2021, 04:42:49 pm by rodnoc
Chinese crawler tractor model Chinese crawler tractor model JinMachine · October 26, 2021, 09:36:35 pm https://youtu.be/7GmuWXf93Hw 2 Replies · 1195 Views Started by JinMachine	2 Replies 1195 Views	October 27, 2021, 11:28:53 pm by smokey1961
R90S. And the fun keeps coming R90S. And the fun keeps coming Adirondack Jack · October 16, 2021, 11:48:05 pm Apparently mine rode from China to the US with the right side of the engine down. The box is a perfect cube, not directionally m... 1 Replies · 1185 Views Started by Adirondack Jack	1 Replies 1185 Views	October 17, 2021, 08:53:14 pm by Adirondack Jack
Vertical dual cylinder engine H74 Vertical dual cylinder engine H74 JinMachine · October 16, 2021, 12:17:51 am https://youtu.be/GKgtdzpLzEs 1 Replies · 943 Views Started by JinMachine	1 Replies 943 Views	October 16, 2021, 03:37:15 am by Raphael
R90S boxer engine. The good, bad, and ugly. R90S boxer engine. The good, bad, and ugly. Adirondack Jack · October 12, 2021, 07:23:47 pm When Jin first previewed his 3.2cc opposed twin in the manner of a BMW airhead, I was hooked. When they introduced the engine wi... 0 Replies · 943 Views Started by Adirondack Jack	0 Replies 943 Views	October 12, 2021, 07:23:47 pm by Adirondack Jack
Video of a Rat Bike W/ Lister D1936 Motor Video of a Rat Bike W/ Lister D1936 Motor Woe is me · September 21, 2021, 08:04:42 am https://www.youtube.com/watch?v=xePknD5eQgU That's one way to cook a dog. 10 Replies · 2843 Views Started by Woe is me	10 Replies 2843 Views	October 09, 2021, 03:18:21 pm by RobA
Coles Coles DW · October 07, 2021, 07:11:24 pm Just completed restoring my Coles. [ Guests cannot view attachments ] 2 Replies · 1107 Views Started by DW	2 Replies 1107 Views	October 08, 2021, 01:22:42 am by classixs
Enginediy.com, horrible to non existent customer support Enginediy.com, horrible to non existent customer support Adirondack Jack · October 01, 2021, 08:06:52 am Miss built, intake manifolds blocks oil filler, no reply from seller. Do not recommend. 1 Replies · 1049 Views Started by Adirondack Jack	1 Replies 1049 Views	October 07, 2021, 05:55:10 pm by 70Rcode
Hit & Miss Engine Powered Plasma Ball Hit & Miss Engine Powered Plasma Ball Alan UK · May 04, 2021, 03:40:29 am Based on Jan's steam engine powered plasma ball accessory. Here's a similar setup using the M90 Hit & Miss Engine.Chinese Hit & ... 10 Replies · 2852 Views Started by Alan UK	10 Replies 2852 Views	October 01, 2021, 08:51:37 pm by Adirondack Jack

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