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3. Tools and Instruments
1) Test Propeller
P/N. 3B2-64110-1
Outer diameter : 164mm
Width : 12mm
Model
MFS 4D/5D
MFS 6D
This test propeller has been designed for break-in
operation and load test operation.
The engine speed at WOT varies depending on
the conditions such as the level or water of air
temperature, and this measurement is not the
confirmation of output.
2) Instruments
For the following measuring instruments, use commercially available ones.
Vernier calipers
Micrometer
Cylinder gauge
Ring gauge
Dial gauge
Thickness gauge
V block
Surface plate
Dial gauge magnet base or dial gauge stand
4st 4/5/6 2020
(Reference value)
Speed at WOT
(Wide Open Throttle)
-1
min
(rpm)
4,500 – 5,500
5,000 – 6,000
( M1 type, 300 mm )
( minimum graduation of 0.01, outer, 0 to 25 mm, 25 to 50 mm, 50 to 75 mm )
( 4 to 6 mm, 10 to 25 mm, 25 to 50 mm, 50 to 75 mm )
( ø5.5, ø16, ø30, ø59)
( minimum graduation of 0.01 )
( 0.03 to 0.3 mm )
( 500 mm x 500 mm )
9 mm
164 mm
1-5
1
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