They have hydraulic and manual Jack Plates along with different set-back options.
How to use a jack plate on a boat. Jack Plates allow you to raise your props higher which creates less drag. Is there a best way to jump up on plane from shallow water. Use a floor jack under the trailer to accomplish this task.
Both basically help out on performance of a boat depending on how they are setup. Place a board or some other sturdy base below the jack plate. The addition of such a plate will help the boat to accelerate faster.
Raise it to idle in and out of shallows. But it all depends on water pressure and or if the motor starts cavitating due to being too high. Jack plate on a 14 Jon Boat.
With learning how to run a jack plate it makes running in many situations safer. Bass boats are notoriously stern heavy. Use a 2 foot level and place the level against the transom under the top two holes.
Jack plate on a 16 flat bottom boat. Place the car jack on the base and using a sturdy length of wood approximately 2 feet in length raise the wood on the car jack until it is flush with the bottom of the engine. By simply raising the engine up with the jack plate until it is just on the verge of cavitation drawing air from the surface into the propeller blades you can start up and run in shallower depths than you ever imagined.
A boat equipped with a jack plate can avoid all those negative consequences of tilting the engine. Find where the engine runs best and mark it so it is easy to return to. The rule of thumb is that you can raise the vent plate 1 above the bottom of the hull for every 2 of setback.