Use a floor jack under the trailer to accomplish this task.
How to use a jack plate on a boat. Jack plate on a 14 Jon Boat. 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. The ability to adjust the height of your engine on.
Trim tabs can help out getting on plane and help compensate for unbalanced loads. The Jack plate allows me to raise or lower the whole motor without changing the angle of the prop. 2- Loosen the four nuts on the outside of the plate.
3- Take another larger socket maybe prop wrench will work and turn the big nut just behind your transom that is oriented vertically. Raise it to idle in and out of shallows. So you should be fine.
Now loosen the bolts on either side of the jack plate and raise or lower the engine to its new height. This added pinch on the hull and motor will force the bow down to create a flatter ride. Jack Plates allow you to raise your props higher which creates less drag.
When it comes to setting up your boat from scratch or upgrading an older boat you would be hard pressed to find a better investment than a quality jack plate. Jack plate on a 16 flat bottom boat. Then once the boat jumps up on top the driver can elevate the motor resulting in minimal running draft.
Is there a best way to jump up on plane from shallow water. My guess is that you will see better performance with you newly raised motor. I am fairly new to operating a skiff in shallow water with a jack plate plate.