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Author Topic:   trailering 25' Whaler
doobee posted 12-30-2002 07:10 PM ET (US)   Profile for doobee   Send Email to doobee  
I'm setting up a trailer for a 25 Revenge W/T with a standard transom.

I have to hang the transom off the back of the trailer so I plan to extend the bunks 2' - 3' beyond the back of the trailer. It looks like the aft drain tubes interfere with the the best location for the bunks.

In my quest for the ultimate bunk configuration, I'd like to hear from anybody who has trailered a 25' Whaler. What's your experience?

Eagleman, thanks for the pics. I can't tell what kind, or how many bunks you have though.

dfmcintyre posted 12-31-2002 12:15 AM ET (US)     Profile for dfmcintyre  Send Email to dfmcintyre     
Send an email to:

He's got the exact same model, and would be willing to give you some tips....


andygere posted 12-31-2002 12:44 AM ET (US)     Profile for andygere  Send Email to andygere     

There's a photo of LHG's Outrage 25 trailer, and some good general info on Whaler trailers.

doobee posted 01-01-2003 01:50 PM ET (US)     Profile for doobee  Send Email to doobee     
Thanks for all the great info. One important question I have not yet answered involves the drain tubes. On the 25' hull, can I move the bunks all the way out to the sponsons without crushing the drain tube clamshells? It looks like they will be in the way.
bsmotril posted 01-01-2003 06:00 PM ET (US)     Profile for bsmotril  Send Email to bsmotril     
If you have to extend the bunks that much, what is going to happen to the weight distribution of the trailer overall? With so much hanging behind the trailer wheels, will there be enough tongue weight for stable towing? I tow a 23' twin enging Conquest rig that weighs in at 7700# with 500# on the tongue. It tows fine on a tandem wheel trailer.
jimh posted 01-01-2003 08:56 PM ET (US)     Profile for jimh  Send Email to jimh     
Typically on these Dougherty-designed Boston Whaler boat hulls, the central vee of the hull is carried to about 75-percent of the beam. At that point there are two vestigial "runners" which move the bottom surface to a new plane, moving it downward a few inches.

The lateral support bunks are typically rigged to fit easily inside these bottom runners on each side. At this width they will not interfere with any underwater appendages on the hull bottom, like the many through-hull drains found on larger boats.

Drisney posted 01-01-2003 10:42 PM ET (US)     Profile for Drisney  Send Email to Drisney     
Is the extension of the bunks going to gain you anything? Unless you are welding extension to the trailer the limited amout the wood will support would be negligible I would think. Dave
Fishcop posted 01-02-2003 12:14 AM ET (US)     Profile for Fishcop  Send Email to Fishcop     
I trailer a 25' OR Cuddy with a motor extension bracket. The trailer bunks and rollers extend to the end of the transom. The bracket and motor "hang" off the end of the trailer with no support. The bunks assist in the support of the rollers and do not touch the "clam shells" of the thru hull fittings. There are some pictures of the set up on page 59 of Cetacea.
I have hade no problems with this set up.
Let me know if I can be of any assistance.
jimp posted 01-03-2003 11:17 AM ET (US)     Profile for jimp  Send Email to jimp     
doobee -

I have a similar set-up to yours. The bunks under my Revenge 22 sit on the clam shells for the aft drains, and have been that way since 1990 (I've had the boat since '97). On the down side, I've never seen the clamshells! But I know they are there because I can see where they sit on the bunk.

The clam shells on the bunk cause one problem though. When the boat is in the yard, all the debris falling from spruce trees (needles, moss, pine cones, buds, etc) fall into the boat, and rain washes them into the bilge where they find their way into the draintubes. When enough of them build up, the drain becomes very slow (drips) and I have to run a solid stream nozzle through the drain tube and force the debris out the bottom to clear it. It would be a lot easier to do it from below with direct access to the clam shell.

After reading this thread, I think I might try to move the bunk in toward the center line, or if that doesn't work (I might have to move it to far) I might build new bunks and replace my nuts and bolts with stainless and replace the 2"x6"x8' bunk with a 4"x4"x8' bunk.

I'll have to look at it in a few months as Juneau finally has snow and the boat is "bermed-in" by snow plows and sitting in a small lake in the front yard.


Eagleman posted 01-08-2003 03:03 PM ET (US)     Profile for Eagleman  Send Email to Eagleman     
On our trailer setup I have two bunk-port and starboard of the keel. Each bunk is positioned so that the outside edge of each bunk is located next to the inside edge of the aft drain tubes calm shells. The boat rides and loads great on our trailer, the double rollers at each cross member of the trailer are the hot set-up.

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