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Author Topic:   Trailer Guide Posts
MickP posted 04-14-2005 05:07 PM ET (US)   Profile for MickP   Send Email to MickP  
I'am thinking of adding trailer guide posts on my 170 Montauk trailer (as soon as I take delivery of it)
anyway will the posts be in the way of the fenders when launching the boat I appreciate some suggestions and opinions.
Thanks MickP
bigjohn1 posted 04-14-2005 05:20 PM ET (US)     Profile for bigjohn1  Send Email to bigjohn1     
Just my opinion...I installed guide posts on my '05 170 when I took delivery but have found over the course of the past 6 months they were a waste of money. I will now use the posts as mounts for my next set of trailer tail lights when the present set craps out. The 170 is a light boat and when I back my trailer down to the point where about 2/3 of the bunk is submerged, it goes right on without a problem irregardless of wind condition. Others feel they are needed and swear by them....I think it comes down to personal choice.

MickP posted 04-14-2005 06:12 PM ET (US)     Profile for MickP  Send Email to MickP     
BigJohn: Do you use fenders? if so are they on the side of the boat when launching and do they get hung up on the guide posts when launching.
Thnx Mick
bobeson posted 04-14-2005 06:25 PM ET (US)     Profile for bobeson  Send Email to bobeson     

I think it all depends on what the ramps you intend to launch out of are like. I put side bunks on my trailer, and although most of the time they are not needed, and are in fact in my way some of the time, at a couple of the ramps I use they are a godsend because of cross-wise currents. In particular, the ramp at Point Lobos is very narrow, with large boulders inches from either side of the boat, and is subject to substantial surge that pushes the boat all over the place. Without the side bunks, my boat would be full of deep gouges along the sides from those boulders.

Other ramps, such as the ones in Santa Cruz, also have enough surge to make me thankful for the side bunks, although not so much to prevent catastrophe as to prevent my boat loading becoming another episode of the launch ramp follies spectacle that so many people enjoy watching.

At sheltered harbors like Half Moon Bay, the side bunks are almost a bit more hindrance than help, although not so much that I'd like to get rid of them. I don't think guide posts would be as much of a negative in these types of harbors.

dcritch posted 04-14-2005 06:35 PM ET (US)     Profile for dcritch  Send Email to dcritch     
I agree with BigJohn1, it depends on how you use the boat. I am using the post type as seen in .
I launch where the cross currents are very strong and the posts help trap and then center my 170 on the trailer. They also help with backing up the trailer particularly when there isn't anything on the trailer.
whaler1234 posted 04-14-2005 07:19 PM ET (US)     Profile for whaler1234  Send Email to whaler1234     
I've added the 60" guide posts from West Marine on my boat. Per others suggestions, I mounted mine about halfway between the fender and lights, closer to the fender and about a 1/2" from the rubrails. I noticed the fenders mar my boat with rub marks and scratches when there is grit on them, so I don't like to use them as guides.

Here's some pics of the posts

MickP posted 04-14-2005 07:23 PM ET (US)     Profile for MickP  Send Email to MickP     
Just wanted to make clear that I'am talking about the Taylor inflatable fenders on the boat.
Thnx Mick
dcritch posted 04-14-2005 07:31 PM ET (US)     Profile for dcritch  Send Email to dcritch     
You can't launch or retrieve your boat using guide posts if you have fenders(bumpers) hanging over the sides. I've tried more than once!!!
bigjohn1 posted 04-14-2005 07:52 PM ET (US)     Profile for bigjohn1  Send Email to bigjohn1     
Mick, yes I do use fenders and no they don't get hung up on the side posts...yes, they are hung over the side of the boat when launching.
Beaner posted 04-14-2005 08:02 PM ET (US)     Profile for Beaner  Send Email to Beaner     

I have a set of Tie Down PVC Hull Saver guides. Since I go out alone most of the time, the guides have been a big help when launching an retrieving. Before I installed the guides, I had problems with the boat rotating and getting hung up on the trailer. The guides are especially helpful to right the boat when retrieving. I installed mine snug, so I do need to flip the fenders up and in before launching/retrieving. I've found that to be no big deal.
bigjohn1 posted 04-15-2005 08:58 AM ET (US)     Profile for bigjohn1  Send Email to bigjohn1     
dcritch, perhaps its the length of your fender lines versus the height of your guide posts!!! Has worked fine for me!!! :-)
jimh posted 04-15-2005 09:08 AM ET (US)     Profile for jimh  Send Email to jimh     
Installing a set of tall PVC guide posts at the very rear of the trailer will make loading the boat much easier. It will be the best $60 you ever spent on the trailer.
jimh posted 04-15-2005 09:12 AM ET (US)     Profile for jimh  Send Email to jimh     
Another reason to get tall guides is nicely illustrated by this photograph, where a boat is about to be loaded at a ramp without a courtesy dock:

(The only portion of the trailer visible above water is the guides!)

If you browse through my article on trailers, you'll see that all the boats shown have these guides installed:

kingfish posted 04-15-2005 09:15 AM ET (US)     Profile for kingfish  Send Email to kingfish     
Answer: It depends upon the height of the guides, how close they are mounted to the gunwales and the angle of the launch ramp.

I use guides on my Outrage 22 EZ Loader trailer, not so much for their ability to hold the boat where I want it (they're really not structurally strong enough to do that), but for something to mount an extra set of tail and clearance lights on, and for a visual guide as to whether the boat is centered on the trailer. My guides are set to just touch the gunwales on both sides when the boat is seated properly on the trailer, and my guides terminate above the tops of my gunwales, so if a ramp is shallow, the guides can and do interfear with fenders that are hanging over the sides of the boat when the boat slides back into the water or when the trailer is pulled out from under it.

Solution: don't flop the fenders over until the guides have passed.

montaukman posted 04-15-2005 11:25 AM ET (US)     Profile for montaukman  Send Email to montaukman     

I am a novice at trailering and i put the guide posts on my trailer (as a recommendation from others on here) and i can say that it was def a good idea. when I launch by myself, my 170 gets affected by the wind and it is very nice to have the guides to allow the boat to stay on track.

Additionally, they do provide a distance reference for when the boat is off the trailer and you are backing the trailer into the drink.

In addition to holding tail lights, they provide potentially an additional mechanism for night viewing of the boat by oncoming cars by using reflective tape.

Lastly, i just think they look cool. I plan on drilling a hole in the end caps and inserting flags. they can also be collor cordinated or accented to match your boat personality.

Good luck,


SteveFC posted 04-15-2005 01:21 PM ET (US)     Profile for SteveFC  Send Email to SteveFC     
I installed 60 inch guideposts mainly so I'd have something to see in the rear view mirror when backing an empty trailer down a steep ramp.
Divedog posted 04-15-2005 04:53 PM ET (US)     Profile for Divedog  Send Email to Divedog     
I agree with SteveFC. The only reason I added them was for visibility. With my truck it was impossible to see the trailer if the boat was already in the water. I went with 48" high posts. They serve my purpose and look proportional to the boat.
Liteamorn posted 04-16-2005 09:32 AM ET (US)     Profile for Liteamorn  Send Email to Liteamorn     
I did not have posts and after missing the first roller a couple of times (and not by much)last year I installed a pair this weekend. The bracket that holds the roller on the trailer tore the hell out of about 10" of my keel. I repaired the keel with marine tech and installed posts.

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