What do you guys do? My last boat had a roller trailer and it was easy to winch the boat on perfect every time. My current trailer in a bunk style and I've been winching the boat on (because thats what I'm used to), but never seem to get it centered the first time. I'm wondering if I shouldn't go so deep with the trailer and try driving on.

I work best when I put the trailer in just far enough that the boat sits right, and I can force it up the last foot or two. Keeps it from floating around - especially on a steeper ramp.

I put my trailer in until just about a foot and a half of the front bunks are showing and drive it on. Lines up perfect every time unless it is a really really steep ramp.

Power on with a bunk trailer. You'll want some of the front of the bunks above water. How much depends on your setup and the steepness of the ramp.

Power loading is prohibited at many ramps in Michigan because of the wash out that occurs where the ramp pavement meets the lake bottom.
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Power loading destroys boat ramps, we have a difficult time keeping the two in our neighbourhood serviceable. Having said that I prefer to power on the last foot or so.

What he said!

yep, we have people in our neighborhood that drives them on and washes the ramp out, i keep telling them about it now that the lake is down 4 foot nobody can use the ramp

I heard somebody had a guest with a 38 footer cig earlier this year that powered on the last 20 feet or so and was blowing water onto the bank on the opposite side of the canal, WTF

I partially drive on to get it started straight. I have wondered about the long term effect of the trailer and tow vehicle if you power on like I have seen alot of people do. I just get it started and to a point that it is wedged into place then winch it the remainder of the way.