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Trailering an F18 by the beams (like an A Cat) #229541
03/09/11 07:42 PM
03/09/11 07:42 PM
Joined: Sep 2001
Posts: 756
Newport, RI
wildtsail Offline OP
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wildtsail  Offline OP
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Newport, RI
I'm setting up a new trailer and I can get all the aluminum I need to set up an A-Cat style set up where the boat is trailered with support under the beams.
This would save me money on cradles plus I think it would be even better for the hulls? No stress on them at all.. and it would be much easier to use my hull covers!
I've got a few educated and experienced opinions that this would be no problem.
Anyone think it would be bad for the boat?

-- Have You Seen This? --
Re: Trailering an F18 by the beams (like an A Cat) [Re: wildtsail] #229544
03/09/11 07:57 PM
03/09/11 07:57 PM

S
Scarecrow
Unregistered
Scarecrow
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S



trailering by them beams is increasingly popular because it protects the bottom of the hulls. However....

The foward beam-hull connection is designed to be in compression and shear, when you hang the hulls off the beam this puts the whole thing in tension. With a 30kg+ hull hanging from this joint and vibrating as you go down the road at 60 mph you are definately softening/fatiguing this crucial area, particularly an issue with a polyster boat.

Re: Trailering an F18 by the beams (like an A Cat) [Re: ] #229548
03/09/11 09:06 PM
03/09/11 09:06 PM
Joined: Jun 2001
Posts: 3,293
Long Beach, California
John Williams Offline
Carpal Tunnel
John Williams  Offline
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Long Beach, California
Not recommended for an F18 - heavy hulls. A-cat? No problem - glued beams and very light loads.


John Williams

- The harder you practice, the luckier you get -
Gary Player, pro golfer

After watching Lionel Messi play, I realize I need to sail harder.
Re: Trailering an F18 by the beams (like an A Cat) [Re: John Williams] #229601
03/10/11 09:37 PM
03/10/11 09:37 PM
Joined: Sep 2001
Posts: 756
Newport, RI
wildtsail Offline OP
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wildtsail  Offline OP
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I know what you mean by the extra stress but I just feel like the boats are strong enough.

Re: Trailering an F18 by the beams (like an A Cat) [Re: wildtsail] #229602
03/10/11 10:49 PM
03/10/11 10:49 PM

S
Scarecrow
Unregistered
Scarecrow
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S



Then go for it. From my point of view a few scratches in the hull bottoms can be filled and sanded. Once your deck goes soft it is time to sell the boat.

Re: Trailering an F18 by the beams (like an A Cat) [Re: ] #229607
03/11/11 03:25 AM
03/11/11 03:25 AM
Joined: Nov 2005
Posts: 337
Victoria, Australia
C2 Mike Offline
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C2 Mike  Offline
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Victoria, Australia
I do laugh when people ask for advice, get it and then tell the advice givers they are wrong.

FWIW Goodall has carted his boats around supported by the front beams for as long as I can remember. I personally choose to support the hulls but AHPC have done it for years with no apparent ill effects, travelling all around Australia.

Tiger Mike

Re: Trailering an F18 by the beams (like an A Cat) [Re: C2 Mike] #229620
03/11/11 11:56 AM
03/11/11 11:56 AM
Joined: Sep 2001
Posts: 756
Newport, RI
wildtsail Offline OP
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Newport, RI
Wow...that was uncalled for... wake up on the wrong side of the bed this morning? The 2nd half of your post is appreciated, I didn't know Greg trailered like this. I've never seen anyone do this with an F18.
I asked for opinions and never stated mine until I could be objective in search for more opinions. I'm not an engineer and the person I talked to that said it would be fine was an engineer and designer at Hobie for a long time.
I've done plenty of trailering with cradles and my hulls are in fine shape, I'm just looking at options.

Last edited by wildtsail; 03/11/11 11:56 AM.
Re: Trailering an F18 by the beams (like an A Cat) [Re: wildtsail] #229632
03/11/11 08:10 PM
03/11/11 08:10 PM
Joined: Jun 2001
Posts: 1,021
Australia
macca Offline
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macca  Offline
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Australia
for sure there is no problem at all with hanging the boat from the beams, it has not negative impact on the boat at all.

The sailing loads are much more than you would ever see on a trailer even if you jumped off speed humps!!



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Re: Trailering an F18 by the beams (like an A Cat) [Re: macca] #229826
03/16/11 09:35 AM
03/16/11 09:35 AM
Joined: Mar 2008
Posts: 120
M
maritimesailor Offline
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maritimesailor  Offline
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Posts: 120
I've also thought of this but have been scared to try it as I have only seen it with a-cats... so you go ahead and let me know ;-) Knowing Greg does this, and also with the blessing of Macca helps though. With those two saying you can I think you could get away with it. Would make for a really clean trailer... should look good.

Re: Trailering an F18 by the beams (like an A Cat) [Re: macca] #229833
03/16/11 10:46 AM
03/16/11 10:46 AM
Joined: Jul 2010
Posts: 172
Anacortes
Sloansailing Offline
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Sloansailing  Offline
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Anacortes
Originally Posted by macca

The sailing loads are much more than you would ever see on a trailer even if you jumped off speed humps!!


I'm visualizing some sort of side game and some wagers for the parking lot at NA's...


Anacortes Rigging.com
Rigging and Yacht Services
Re: Trailering an F18 by the beams (like an A Cat) [Re: maritimesailor] #229835
03/16/11 11:12 AM
03/16/11 11:12 AM
Joined: Oct 2002
Posts: 606
Maryland
Kris Hathaway Offline
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Kris Hathaway  Offline
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Posts: 606
Maryland
[Linked Image]
Something like this? Obviously not tied down for trailering. I would fore/aft tie down to limit torque on uprights. Nice for keeping moisture off the bottoms while parked at the club. Would not know how to rig it a la A-Cat with long rails perpendicular to the beams due to the dolphin striker.


Kris Hathaway
Re: Trailering an F18 by the beams (like an A Cat) [Re: maritimesailor] #229858
03/17/11 12:11 AM
03/17/11 12:11 AM

S
Scarecrow
Unregistered
Scarecrow
Unregistered
S



Originally Posted by maritimesailor
I've also thought of this but have been scared to try it as I have only seen it with a-cats... so you go ahead and let me know ;-) Knowing Greg does this, and also with the blessing of Macca helps though. With those two saying you can I think you could get away with it. Would make for a really clean trailer... should look good.


How long do Macca and Greg keep their boats? Just saying.

Re: Trailering an F18 by the beams (like an A Cat) [Re: ] #229859
03/17/11 02:36 AM
03/17/11 02:36 AM
Joined: Jun 2001
Posts: 1,021
Australia
macca Offline
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macca  Offline
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Australia
I had a Taipan like this in 1994 and its still going strong after more than 15 years.

its much worse for the boat to have the hulls constantly sitting on a pad, that can be wet for weeks at a time..



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Re: Trailering an F18 by the beams (like an A Cat) [Re: macca] #229860
03/17/11 03:15 AM
03/17/11 03:15 AM

S
Scarecrow
Unregistered
Scarecrow
Unregistered
S



In an ideal world you'd do both. Travel on hull pads and store on the beams. Ironically if anything people tend to do the reverse.

Re: Trailering an F18 by the beams (like an A Cat) [Re: ] #229962
03/19/11 01:02 PM
03/19/11 01:02 PM
Joined: Sep 2001
Posts: 756
Newport, RI
wildtsail Offline OP
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wildtsail  Offline OP
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Newport, RI
Trailex makes a trailer for A Cats http://www.trailex.com/TX-418-ACAT.cfm
I was thinking about doing similar but making a groove for the striker to slide into so that the load is on the beam and not the striker.
I haven't made up my mind, both sides have convincing arguments. I may rig it up and see how the hulls like it.

Re: Trailering an F18 by the beams (like an A Cat) [Re: wildtsail] #230601
03/31/11 09:04 PM
03/31/11 09:04 PM
Joined: Aug 2007
Posts: 142
3 weeks Newman WA 1 week Robe ...
Brian P Offline
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Brian P  Offline
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Posts: 142
3 weeks Newman WA 1 week Robe ...
my stingray ( like an 18ft tornado) sits on the trailer by the beams sitting on forward running rails about 1/2 inch inside the hulls. and we have our beams enclosed in the hulls, not bolted onto the decks. so if there was a problem, we would be the first to NOT do that, as its very difficult to replace a beam. my boat is at least 20 years old, original beams and decks and my platform is still very stiff, no twisting whatsoever. the wider you can make the frame for your beams to sit on, the better.
much like the picture by trailex for the a class. however we have a system where the rails can be lowered at the back to make it easier to remove boat from trailer. it slides down the carpeted rails and onto your beach rollers. it also allows you to fit a sailbox to the trailer as the boat sits a little higher above the box.

Last edited by Brian P; 03/31/11 09:24 PM.

Brian Partridge
STINGRAY 580 "Fantasia"
A Class 585 "FHARKEN A"


YOU CAN'T POLISH A TURD
BUT YOU CAN ROLL IT IN GLITTER!!!!!
Re: Trailering an F18 by the beams (like an A Cat) [Re: Sloansailing] #231382
04/20/11 09:11 PM
04/20/11 09:11 PM
Joined: Jun 2001
Posts: 1,911
South Florida & the Keys
arbo06 Offline
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Posts: 1,911
South Florida & the Keys
I have often considered storing cats in the yard by the beam so that weather and airborne dirt can't accumulate between the cradles and the boat but I can't imagine that trailering between here and there will cause any problems in either configuration. Butt, what do I know......


Eric Arbogast
ARC 2101
Miami Yacht Club
Re: Trailering an F18 by the beams (like an A Cat) [Re: Brian P] #231514
04/25/11 11:55 PM
04/25/11 11:55 PM
Joined: Apr 2004
Posts: 713
WA, ID, MT
davefarmer Offline
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davefarmer  Offline
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Posts: 713
WA, ID, MT
Brian,
I like the rails concept, but I'm trying to envision my fwd beams sliding on the rails, as the dolphin striker cables extend all the way to the inside of the hulls. So there's no flat surface on the bottm of the beam to rest/slide on the rail. Are the rails narrow (2" x on edge?), and are your cable terminations further inboard than mine(Stealth and HT)? Thanks!

Dave

Re: Trailering an F18 by the beams (like an A Cat) [Re: davefarmer] #231571
04/27/11 06:50 AM
04/27/11 06:50 AM
Joined: Oct 2002
Posts: 606
Maryland
Kris Hathaway Offline
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Kris Hathaway  Offline
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Posts: 606
Maryland
I looked closely at a setup this past weekend that used rails a la A-Cat for a boat with a striker. The cat is loaded backwards so that you did not have to slide on the rails with the striker. Section where the front beam rests (back of trailer) had notches cut in the rails to accommodate the striker. He has even used it to trailer an N20 with no issues.


Kris Hathaway
Re: Trailering an F18 by the beams (like an A Cat) [Re: Kris Hathaway] #231574
04/27/11 07:53 AM
04/27/11 07:53 AM
Joined: May 2006
Posts: 1,383
Kingston SE South Australia
JeffS Offline
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JeffS  Offline
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Posts: 1,383
Kingston SE South Australia
When I had the Stingray I made little trolleys that ran on the rails so that I could place the beam on the rollers and slide it with no damage. Still have them in the shed if you need a photo. My Taipan 5.7 travels 8,000km a year hanging on its front & rear beams.

Last edited by JeffS; 04/27/11 07:56 AM.

Jeff Southall
Current boats
Nacra 5.8 1703 Animal Scanning Services
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