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The HI~image is invalid. Let me see if there is a new link

否

:)

Hello, Steamchick. Thank you very much for your earnest reply. Your professional knowledge has greatly benefited me. This is indeed a very complex knowledge. Although they cannot be exactly equal, it is very good for a model engine as long as each cylinder can run. I watched a lot of videos. I...

Hello, Peter! Thank you for your reply. I also think that the setting of only two intake pipes in the in-line four cylinders will be very stable. But if it is L6 or V8, it may also be different

Hello, Blue Jet! Thank you for your reply. I saw the video and your engine is running well. However, I heard the sound of the engine running. One of its cylinders seems useless. Of course, I just judge from the sound, maybe it's my illusion

For carburetors, we often lazily use the rc carburetor as the fuel supply. At low speeds, the carburetor throttle is biased to one side, which will also lead to excessive gasoline on the other side, or this can be achieved through fine tuning, but it is always imperfect

For example, for an in-line 6-cylinder engine, whether two cylinders near the carburetor will suffocate due to excessive fuel intake. I saw this video of the perfect in-line 6-cylinder engine, and it seems that this problem did not occur

Multi cylinder engines, such as in-line four cylinder engines, usually use carburetors for fuel supply. They are sensitive to the balanced length of the intake manifold. Have you ever had such an experience? The mixing ratio of a single cylinder is too rich, resulting in the cylinder not working...

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nice

Nice

Thank you for your reply and sharing! I once built a four stroke OHV engine. It has no overlapping angle and intake air is 180 °. It runs well, but it is difficult for him to reduce the idle speed to 1000 RMP, or he needs a larger flywheel? When I was watching this program thread, he used a...

Thank you for your reply and sharing! I will try to make a cam for testing according to the drawings you provide.

I plan that the cylinder diameter is 17, the stroke is 21, and the compression ratio is 9:1. It is OHV structure

Yes, I realized my nonsense. so sorry!! My goal is to build an engine that can jog when idling. After reading a lot of discussions in the forum, I summarized three points. 1. The air intake shall be at an angle of 220 2. Low compression ratio or (low cylinder pressure?) 3. Huge flywheel...

hello everyone! I just want to make a four stroke engine recently. I would like to ask you about the angle between the camshaft. 1. The high angle cam in the automobile engine is 270 degrees. Is the included angle 90 degrees? I bought a toyan engine and their camshaft angle seems to be 90...

:)NICE

：eek：:):):)

good