3W 3W-55Xi Panduan Pengoperasian - Halaman 9

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Important:

This exit area needs to be four times (4x) as large as the intake area.

Propellers

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Only use propeller brands and sizes that are approved for your engine

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The propeller blades must be of the same length

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The propeller must be flat (You can check for flatness by putting the propeller on a level

surface. The maximum difference of the blade heights should be no more than 1/64".)

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The propeller tips must have an identical shape. This is especially important when using

3 or 4 blade propellers.

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You must use a drill press to drill your propeller.

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You must drill the propeller from the rear.

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A drill guide is recommended, but the propeller washer can be used as a drill template. (Fix

the propeller washer onto the propeller in the center-bore using a bolt and nut. Drill one

hole; put one of the propeller bolts into the hole. Continue until the last bolt is used.)

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If you cannot hand tighten all of your prop bolts easily then you have not drilled the propeller

correctly. This can lead to sheared propeller bolts.

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Balancing your propeller is absolutely critical to the health of your engine. You must keep

your propeller balanced. (Propeller balancers are available from DUBRO, and others.)

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Always remember that when the engine is running every person must stay behind the line

of the rotating propeller; never to the side or the front!

Carburetor settings

Before each engine is shipped it has to pass QC and is then test run. We do a basic adjustment

of the carburetor needles at that point.

Operation manual

highspeed needle H:

low speed needle L:

3W Modellmotoren GmbH, Hasswiesenstrasse 22, 63322 Rödermark