the concept--
hydraulic cylinders( pistons), may provide better service than gears, as the main cost to repair them, is the replacement of the seals, pump, or hoses--
the way--
i suggest, that using hydraulic pressure, to change the pitch of the blades, and also rotate the head-unit, to acquire the best angle to the wind, might provide smoother, more trouble-free operation...as well as being very cost effective, requiring less maintenance, and providing greater power-output,
than gears--
changes to windmill design could be made more readily, and for a lower cost, due to utilizing a "folding support tower"/ head-unit lowering system( newer, updated hydraulic controlled pitch, and direction controls, could be added as the head-units require service, and a new head unit is to be installed)--
the why( the trouble with gears)--
gears have no seals, can shear, require greasing( maintenance), move slowly, and have high machining costs to replace, or produce--
the why-not( what's good about servos)--
hydraulic servos can be easily computer controlled, with a pump, that has valves, which are controlled with an "excel" type program...also, servos and hoses are inexpensive, although a factor of leaking seals exists( cold weather could be a detriment to seals)--
prop-shaft changes--
hydraulic pressure to a "slave cylinder", to change prop-pitch, could run through the center of the prop-shaft, to the blades "slave cylinders", in the prop, that change the pitch of the blades...
where the blades attach to the prop, there could be a "servo piston", working like a "Wankel" rotary engine( a two piston cylinder, with varying pressure on each side, to move the blade, or, pressure on one side, and a retract spring on the other??), in this way, the prop-pitch on the blades can be changed, to acquire the highest volt/amp reading, of the windmill's output, and regulate prop speed--
windmill direction control--
windmill direction could also be adjusted, by a computer controlled hydraulic servo system, to gain the highest volt/amp output, of the mill, increasing mill power output, many fold--
unclassified military turret rotation control concepts, may be of use to gain design insights, for durable windmill head-unit design, as well as slave cylinder size, for their fulcrums, or actuation--
this system of maintaining ideal prop pitch-angles, and direction to the wind, will allow the mill to produce the highest generator output, and safe prop speed, via changing the prop-pitch, to the best angle in light winds, and allowing the prop to idle in high winds, keeping prop speeds "in the mean"--
best wishes, john kruschke--
(cs)
hydraulic cylinders( pistons), may provide better service than gears, as the main cost to repair them, is the replacement of the seals, pump, or hoses--
the way--
i suggest, that using hydraulic pressure, to change the pitch of the blades, and also rotate the head-unit, to acquire the best angle to the wind, might provide smoother, more trouble-free operation...as well as being very cost effective, requiring less maintenance, and providing greater power-output,
than gears--
changes to windmill design could be made more readily, and for a lower cost, due to utilizing a "folding support tower"/ head-unit lowering system( newer, updated hydraulic controlled pitch, and direction controls, could be added as the head-units require service, and a new head unit is to be installed)--
the why( the trouble with gears)--
gears have no seals, can shear, require greasing( maintenance), move slowly, and have high machining costs to replace, or produce--
the why-not( what's good about servos)--
hydraulic servos can be easily computer controlled, with a pump, that has valves, which are controlled with an "excel" type program...also, servos and hoses are inexpensive, although a factor of leaking seals exists( cold weather could be a detriment to seals)--
prop-shaft changes--
hydraulic pressure to a "slave cylinder", to change prop-pitch, could run through the center of the prop-shaft, to the blades "slave cylinders", in the prop, that change the pitch of the blades...
where the blades attach to the prop, there could be a "servo piston", working like a "Wankel" rotary engine( a two piston cylinder, with varying pressure on each side, to move the blade, or, pressure on one side, and a retract spring on the other??), in this way, the prop-pitch on the blades can be changed, to acquire the highest volt/amp reading, of the windmill's output, and regulate prop speed--
windmill direction control--
windmill direction could also be adjusted, by a computer controlled hydraulic servo system, to gain the highest volt/amp output, of the mill, increasing mill power output, many fold--
unclassified military turret rotation control concepts, may be of use to gain design insights, for durable windmill head-unit design, as well as slave cylinder size, for their fulcrums, or actuation--
this system of maintaining ideal prop pitch-angles, and direction to the wind, will allow the mill to produce the highest generator output, and safe prop speed, via changing the prop-pitch, to the best angle in light winds, and allowing the prop to idle in high winds, keeping prop speeds "in the mean"--
best wishes, john kruschke--
(cs)
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