bunker positions for 0day 23

[wade]

Hi all,
I am refitting an old trailer for my 74 Oday 23. My boat is in the water and the current bunker/supports on the trailer obviously will not work. I was hoping someone might know or know where I could get some information on how to set the new supports? Such as inner and outer bunker height and distance apart. Any help would be appreciated otherwise I foresee an endless amount of time on the launch ramp sorting this out.
Thanks again, Wade

 

[FrankNj]

Hi all,
I am refitting an old trailer for my 74 Oday 23. My boat is in the water and the current bunker/supports on the trailer obviously will not work. I was hoping someone might know or know where I could get some information on how to set the new supports? Such as inner and outer bunker height and distance apart. Any help would be appreciated otherwise I foresee an endless amount of time on the launch ramp sorting this out.
Thanks again, Wade

I fitted a 19' bowrider trailer having a trailer shop weld a length ( about 8" ") of square iron to where the bunk bolted origionaly bolted to the trailer and then they welded a a piece of angle iron about the same length to the trailer side and with the use of a square type u-bolt I had ajustable bunks by sliding the square stock into the angle iron and locking them in place with the u-bolts.
I puzzled out the rough measurments( 2 to 3") between the bottom of the keel would sit to where the bunks would meet the hull from pics of 23s on trailers using anything in the pic that would help to develop a scale ie 14 in tire rim.
I also used the spec on the boat from the I love odays web site which state 24" draft board up.
It wasnt cheap the trailer shop charged me almost 500.00 parts and labor.
The bunk for the keel had to be elevated about 4 inches from the trailer/frame cross members to allow for the axle/leaf spring moment. measure fr0om the bottom of the trailer to the top of the axel with no weight on the trailer for this distance.
I u-bolted short pieces of 4x4 to trailer cross members and then an 8' 2x10 for the keel bunk was lag bolted into the 4x4s.
the 2x10 is really not thick enough and in hind site I would have doubled this up 4x10 maybe 2by angle iron screw into the 4x10 lenght wise
As it turned out the center board was stuck 8" hanging out of the keel making the ajustable bunk a life saver.
I bought the boat hom to north west NJ from long island with ot a problem.
Ive also used the triler to pick up a simular boat for a friend the ajustable bunks are also removable by undoing the ubolt complelty which is pretty handy when taking boats off the trailer on land.
good luck

 

[Joe11688]

Hi all,
I am refitting an old trailer for my 74 Oday 23. My boat is in the water and the current bunker/supports on the trailer obviously will not work. I was hoping someone might know or know where I could get some information on how to set the new supports? Such as inner and outer bunker height and distance apart. Any help would be appreciated otherwise I foresee an endless amount of time on the launch ramp sorting this out.
Thanks again, Wade

Wade,
When I adjusted my new trailer for my O'Day 222, I used two angled boat stands, a regular car jack and a hydraulic jack. I set my bunks up so that they were a little higher so that I could pull my boat out of the water. It's better to have it a little higher than to have the bunks too low, because the boat will be leaning over if they're set too low. If the keel is off the trailer's keel-board by 1", it's OK. The bunks will hold the boat. When I got the boat and trailer on level ground, I needed to get the proper tongue weight, and this is the first thing you need to do. I unhooked the trailer and set a bathroom scale on a block under the tongue. The trailer needs to be level when you do this. If there is too much tongue weight, it's easier to put the boat in the water and let it float back a little. Once I got the proper tongue weight, I took the two boat stands and put one on each side of the stern. I was able to get away with two boat stands on my boat, but the OD 23 is a little heavier than the 222 and if you can get four stands it will be better. Boat stands weren't made to lift boats, but I was able to lift the stern of my friend's OD 26 with four of my stands. You can jack up the bow with a hydraulic jack, either from the trailer or the ground. When I was able to lower the boat so that the keel was sitting on the keel board, I took two of my jacks and placed them under the middle bunk support extension brackets and adjusted them while taking measurements. After that, I did the other extension brackets the same way.
Joe

 

[wade]

Thanks folks,
I guess I'll have to try the stand method if I do not guess right. Thanks for the help. I'll post the measurements after I get it worked out. Wade

 

[LANCE ON CLOUD NINE]

O'Day 23 trailer

I have an 1974 O'Day 23 sitting on a trailer with keel board support. I would be happy to give you any measurement that would help. The reason it is hard to discuss is because the bunks need to be higher as they get futher out from the centerline. Feel free to call tomorrow and I will have a tape measure handy.

 

[Joe11688]

Thanks folks,
I guess I'll have to try the stand method if I do not guess right. Thanks for the help. I'll post the measurements after I get it worked out. Wade

Wade,
A lot of guys don't own boat stands and that's understandable. I bought my stands with the intension of making it easy to get my boat off my trailer in my yard and do bottom painting. If your boat trailer has similar type extension brackets as the ones on my Long Mfg trailer, you may be able to get away without the stands. You would need to place the jacks under the center bracket on each side of the trailer and put some strain on both jacks so that you can loosen the bolts on that extension bracket. *Note The other four brackets will hold the boat from tipping over if anything goes wrong. It would be advisable to take the mast down prior to this, and have at least four people helping to shore the boat as you do this. We're only talking about lowering the boat 1 or 2 inches so that the keel will sit on the board. Once the keel is sitting on the keel board, the whole job becomes easy. You would only need to get the proper tongue weight, and adjust all six of the extension brackets by using the jacks and taking measurements. The boat stands make this job a heck of a lot easier and safer, depending on how high the boat's keel is off the keel board. As far as the width measurement of the bunks go; you're going to have to use your own discretion on that, or get a measurement from Lance. Here's a picture of my trailer so that you can get an idea of what I have.
Joe