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The International 110 is an American sailboat that was designed by C. Raymond Hunt as a one-design racer and first built in 1939. [1] [2] [3]While most boat designs have numerical designations that reflect their length overall, waterline length, displacement or some other dimensional parameter, the 110 class was named for the sail number that the prototype carried.
The O'Day 240 is an American trailerable sailboat that was designed by C.R. Hunt & Associates as a cruiser and first built in 1988. [ 1 ] [ 2 ] [ 3 ] The O'Day 240 design was developed into the similar O'Day 250 in 1996.
This is in relation to solid-state relays, such as TRIACs and silicon controlled rectifiers. [1] The purpose of the circuit is to start the TRIAC conducting very near the time point when the load voltage is crossing zero (at the beginning or the middle of each AC cycle represented by a sine wave), so that the output voltage begins as a complete ...
Normally closed mercury relay, with coil around top of tube and adjustable angle. A mercury relay (mercury displacement relay, mercury contactor) is a relay that uses mercury as the switching element. They are used as high-current switches or contactors, where contact erosion from constant cycling would be a problem for conventional relay contacts.
High-leg delta (also known as wild-leg, stinger leg, bastard leg, high-leg, orange-leg, red-leg, dog-leg delta) is a type of electrical service connection for three-phase electric power installations. It is used when both single and three-phase power is desired to be supplied from a three phase transformer (or transformer bank).
This allows one to choose single-phase AC power at either 110–120 volts between phase and neutral or 220–240 volts between phase and phase. Since these two modes do not need three phases there is also a dark yellow-orange four-pin connector available designed for a single-phase 110–120 or 220–240 volt load.
A three-phase motor is more compact and less costly than a single-phase motor of the same voltage class and rating, and single-phase AC motors above 10 hp (7.5 kW) are uncommon. Three-phase motors also vibrate less and hence last longer than single-phase motors of the same power used under the same conditions. [32]
The 210 is a fast boat and frequently beats Shields, Stars, and J/24s. It is light, but with the keel, stable, Originally built of plywood, the 210 is now glass-reinforced plastic. There have been continual updates over the 48-year history of the 210, but when the older boats have been maintained, they continue to compete with newer boats." [3]