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Hi Minh-Thanh.. Diesel pump needs an important part: Centrifugal regulator. With a centrifugal regulator, the engine gets the right amount of diesel injected into the engine at a certain speed. The throttling lever is connected to springs which actuate the centrifugal regulator.👉 Tight springs...

pat_pending,.. bad idea to set the finger mid of the propeller blade. Set the finger near hub of the propeller and flip fast, it will make easier and safe to start the engine without cut the skin on the fingertip caused by the sharp propeller edge.

Model diesel engine does not run hotter than glow plug engine and the engine is over lubricated (25-33% oil in fuel) that the oil conducts heat away from the engine and ensures that the engine runs well lubricated. :)

Patrick. Well made to run the model engine, but I spotted the propeller is in wrong side. Is it right the propeller is in wrong side?

Hi, you can cast the engine block and other engine parts when you are use the 3D printed pattern in the cast sand and pour direct into, then the pla will burn away. It save a much time.

In fact the whale oil was the best oil to lubricate the finer instruments and clock. Here is the link.. 🙂Whale oil as lubricant

BaronJ,. I has assembled the spindle after carefully cleaning, there was big difference: Less load to start up the milling machine and more smooth. I'm using Mercedes-Benz wheel bearing to lubricate the bearings and all moving parts in the milling machine head. The bearings is preloaded and...

BaronJ, after you wrote about milling machine, I did not get peace until I disassembled and washed parts. So much impurities to find, the spindle did not go so clean on roller bearings. The Chinese do not wash the parts properly before assembling the milling machine and also probably other...

Dave.. The oil are to lubricate the worm shaft and brake beside the thrust bearing. Also the oil do not have access to lubricate the thrust bearing, spindle bearing and gearwheel/worm gear. Also they are lubricated by the grease. Disassembly the dividing head and find what you will see..

I has Chinese milling machine, then I take a check in case the bearings is dirty and bad grease. I must be sure all is in good order.

Probably, I'm not sure how are the grease produced in China. The Chinese oil/grease smell difference from other oil/grease.

Hi all people who own Chinese made semi-universal dividing head BS-0, BS-1, universal dividing head BS-2. When I used the dividing head, I discovered that there were hard points in the bearing, the crank did not feel the same all the way. Then I noticed that the workpiece that was milled was...

In my ED Seaotter has disc made of black plastic instead Tufnol. Maybe made of nylon or heat and wear resistant plastic material.

Thanh, this is feeding pump for diesel pump in the picture you marked with red circle. It's the pump element for diesel engine you need to create own testpump for injector. And keep pump clean with fuel filter between the fuel container and diesel pump.

In the glow plug is not glowing in the whole time after the engine is started up due the glow plug is cooled down via cylinder head, but remain hot enough to avoid carbon build up, normally between 500 and 800 ° C (932 and 1472 ° F). This is important because it determines the efficiency of...

In the glow plug engines who are using the methanol as base fuel are glowing under running due catalytic reaction affected by methanol to ignite methanol/air mix. In the car diesel engine the glow plug are to preheating the air before start up the cold engine, then the engine is running then...

You can create the test instument with the fuel injection pump cylinder/piston from old diesel pump from diesel car engine + manometer to test the injector.

Minh Thanh.. There is difference type of the injector: 1. Tap outside the hole as picture showed by Steamchick are used in vortex chamber diesel engine , 2. very small hole who are near unvisible for the eye for car diesel engine or a bit larger for ship engine after the injection needle valve...

With patient, you did the injector airtight. Next: test to see the fuel is atomized. :)

The solution : Lap the needle and nozzle togheter to keep sealed.