Deflection: Difference between revisions
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!style="color: black; height: 30px; background: #f9f9f9;"| "Dumaresq Deflection" | !style="color: black; height: 30px; background: #f9f9f9;"| "Dumaresq Deflection" | ||
!style="color: black; height: 30px; background: #f9f9f9;"| Speed-across | !style="color: black; height: 30px; background: #f9f9f9;"| Speed-across | ||
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==Torpedo Control Usage== | |||
To make matters even worse, when "deflection" is spoken of in the sense of how to set a [[Torpedo Deflection Sight]] or similar device, they are generally speaking of the speed-across attributable to only the movement of the target vessel, discounting that attributable to movement of own ship. On this site, you may find that I employ my own term to make this distinction explicit: [[Torpedo Deflection]]. | |||
==See Also== | ==See Also== | ||
* [[Dumaresq Deflection]] | * [[Dumaresq Deflection]] | ||
* [[Gun Deflection]] | * [[Gun Deflection]] | ||
* [[Torpedo Deflection]] | |||
[[Category:Fire Control]] | [[Category:Fire Control]] | ||
Latest revision as of 19:17, 15 March 2011
Deflection is an ambiguous term in many sources covering the World War I period, especially British ones owing to the twisted etymology of the word.
Be careful when contemporary British sources use the word "deflection", as it might mean either speed-across or gun deflection depending on the context.
| When a British source says... | ...it means |
|---|---|
| "Deflection" | (ambiguous) |
| "Gun Deflection" | Lateral Aim-off |
| "Sight Deflection" | Lateral Aim-off |
| "Dumaresq Deflection" | Speed-across |
Torpedo Control Usage
To make matters even worse, when "deflection" is spoken of in the sense of how to set a Torpedo Deflection Sight or similar device, they are generally speaking of the speed-across attributable to only the movement of the target vessel, discounting that attributable to movement of own ship. On this site, you may find that I employ my own term to make this distinction explicit: Torpedo Deflection.
