Permotoran world, we are familiar with the name "SLEEP MACHINE" and "MACHINERY UPRIGHT". MACHINE SLEEP, or machine selonjor, yup, named like that because weve slinder blocks position parallel (horizontal) to the ground, although not exactly flat 180 degrees, still somewhat up 5-10 degrees up. Usually this model is applied in the machine motorcycle.
But there are also motorsport that you know the engine is longitudinally like this, for example, Honda Win or Honda S90
UPRIGHT ENGINE, called so because weve cylinder block position perpendicular (vertical) to the ground, although there was really straight and all, but is rather a little tilted 10-15 degrees forward. Motors that use this model engine that motors are usually used by boys.
Satria 120 R
Satria FU 150
Honda CS-1125
Jupiter MX 135
ENGINE BLOCK longitudinal
1 Lubricants evenly in all parts that rub against the machine work.
Selonjor blocks position to make oil in girbox easily slide into the cylinder head area. It makes pistons, valves, rocker arm and his friends more quickly lubricated.
Yes it was because of the longitudinal position of the oil that makes it so easy to flow. And because of this longitudinal position, the working oil pump not affected by gravity. In the upright cylinder engine, the oil must be pumped up to a cylinder head that is located higher than girbox, that's because higher oil pump on the motor upright cylinder affected by Earth's gravity, the heavier it becomes.
Because of its position memebujur, just pull the cylinder release, no need to get stuck in the motor frame up like an upright cylinder.
4 Handling lighter.
That's because the position of the block and head are stretched to make the center of gravity lower the motor, so the motor easily deflected.
UPRIGHT ENGINE BLOCK
1 Torque rhino.
It is said so because of the position of the piston perpendicular to the ground, making the up and down motion of the piston is more lightly because assisted gravity of the earth, would be kicking torque. 2 tail motors SOHC 4 valve 125 cc air-cooled, which is a longitudinal cylinder, one cylinder upright, despite equally torque of 13.2 Nm, but the upright engine torque is achieved at a lower rpm than the longitudinal cylinder, because the gravity assisted.
In theory anyway so, because the up and down motion of the piston assisted gravity, would rev the engine lighter, no need to twist the gas. economical petrol
3 Heat dissipation is maximized.
Engine 4-stroke, 2-stroke or diesel comprises two parts, namely girbox and the cylinder (including the head and the block). 2 This section is part of the heat and need cooling. In the upright cylinder engine, cooling is not blocked up because girbox cylinder, so much cooler.
Do you know why the motor man it is more stable than a motorcycle? Many people use tanks to answer because, or because it is heavier. It was not wrong, but there is another one, that is because the cylinder upright. When motorsport turn, then the cylinder will put pressure on the suspension but gentle pressure, this event makes the effect of centrifugal force, so that the grip of the wheel increases, and the result is a stable bike. So that when it turns motorsport aided by centrifugal force from the cylinder.
ENGINE BLOCK selonjor
1 Friction at higher liner. In selonjor cylinder, not the piston movement up and down, but the back and forth. Because the position of the piston wall parallel to the ground, so that when the piston moves forward - backward, scraping the bottom of the piston liner also coupled with the pressure of gravity of the earth, so high friction.
2 Torque less kick. That's because the horizontal position of the piston, the force of gravity does not help the movement of the piston but it added friction piston with liner, so that the movement not as slippery as the machine upright.
UPRIGHT ENGINE BLOCK
1.-pairs to dismantle Ribet. That if compared with selonjor machine. Because upright, cylinder head often stuck up to the frame, so caution must be fit to take it off. Chassis for motor type diamond, often until must nyopot girbox well. In addition, it also screws or small parts easily plunged into the hole crankase. So need extra attention.
2 Rada invited fitting heavy cornering. Because the cylinder upright, so the central spine position higher than middle bone on the motorcycle cylinder longitudinally. This position led to the center of gravity so the motor is higher, so the effect is rather heavy bike if invited nikung.
