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#21
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Wire sizes
On Jul 31, 1:31*pm, Andy wrote:
On Jul 31, 8:35*am, Darryl Ramm wrote: Spade ... blade.... I thought they were the same thing so obviously I don't speak American very well yet. * This UK terminal catalog uses the terms blade and spade for the same catalog items, so it's not just me. http://www.toby.co.uk/content/catalo...sp?category=26 Andy |
#22
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Wire sizes
Ring Lug - a closed loop shaped like an O
Spade Lug (blade) - an open end shaped like a U Hook Lug - a open end shaped like a ? The basic undying question is why are ring lugs to be used instead of spade? It has to do with trying to prevent a connection failing due to vibration. If the terminal screw works loose, a spade lug would fall off while a ring lug will hang on (and the loose screw will hopefully be caught during inspection). Now this is more of an issue in powered airplanes due to the constant vibration from the engine. Still gliders have to live by these rules too. Faston - Shaped like a, ummm, hmmmm, well, that's kind of hard to explain. From the end they look like a C that was flattened by a hammer so that the ends are curved inward. They make a very tight connection to the mating part which is a narrow flat piece of metal (like on typical gel-cells). It is a male-female connection. My $0.02. - John DeRosa |
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