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Model Enthusiasts - PISTON SIZES
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PISTON SIZES |
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MAMOD CYLINDER/ PISTON DIMENSIONS IN INCHES
| Engine |
End to |
Port to |
Piston |
| Type |
port |
trunion |
Rod |
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SE1 &
1A |
|
0.500 |
2.50 - 2.60 -
2.70 |
| SE2 (1948) |
0.158 |
0.3125 |
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| SE2 (1954 |
0.138 |
0.500 |
2.50 - 2.60 -
2.70 |
| SE2A (1970) |
0.148 |
0.375 |
2.50 - 2.60 -
2.70 |
| SE3 |
0.177 |
0.500 |
2.50 - 2.60 -
2.70 |
| MM1 |
0.118 |
0.375 |
1.375 |
| MM2 |
0.138 |
0.382 |
1.673 |
| SP4/5 |
0.148 |
0.610 |
2.9375 |
| CURRENT
STANDARD |
0.138 |
0.382 |
1.673 |
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Crank hole centre to piston
proper. |
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Steam inlet
to tunnion (centres) |
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End of cylinder to steam hole |
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We have found that there is no "standard" for SE engine pistons.
So,
we have written down the range of lengths found, from
crank hole to the
piston proper and not including the
piston. In other words from the
cylinder to the crank shaft pin
when fully extended.
We have found
that the piston diameter ranges from 0.311 to
0.315 with the upper
size causing a problem in matching to a
cylinder.
If you want further
clarification please call Trevor on 01273 493624.
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Copyright © 2004-2012 Model Enthusiasts |
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