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Old 02 October 2008, 18:21   #1
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Trailer tips for Avon SR4.0

Hi troops,

About to throw myself on your collective experience/wisdom . . .
Soon to be taking my RIB on first proper road trip of approx 100 miles & looking for advice on:

Securing RIB to (rollercoaster) trailer - ie need straps across tubes/over boat to trailer in addition to ratchet straps at bow/transom?

Use of steel chains - ie how many to use as "back-up"?

Outboard - 30hp manual Mariner - travel in tilted/upright position?

Sorry if partly duplicates other threads I've read but wanting to get it clear in my head as "Thumper"'s my baby and want to treat her properly

Cheers,
Bob.
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Old 02 October 2008, 18:35   #2
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Quote:
Originally Posted by Thumperbob View Post
Hi troops,

About to throw myself on your collective experience/wisdom . . .
Soon to be taking my RIB on first proper road trip of approx 100 miles & looking for advice on:

Securing RIB to (rollercoaster) trailer - ie need straps across tubes/over boat to trailer in addition to ratchet straps at bow/transom?


Use of steel chains - ie how many to use as "back-up"?
DON'T strap across the tubes!!! Straps are abrasive and you'll overpressurise the tubes. If they leak while overpressurised the strap will come off.
You should need no more than a strap from each of the transom eyes to the trailer, your winch strap to the fixed bow eye (Not the one on the tubes) and a chain from the bow eye to the trailer (covered in something-an old bicycle inner tube works well)


Quote:
Originally Posted by Thumperbob View Post
Outboard - 30hp manual Mariner - travel in tilted/upright position?

Sorry if partly duplicates other threads I've read but wanting to get it clear in my head as "Thumper"'s my baby and want to treat her properly

Cheers,
Bob.
Tilted-if you leave it upright you'll smash the skeg at some point. If you're unlucky you'll smash the whole lower unit.
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Old 02 October 2008, 18:46   #3
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What Nos said - but when you tilt the engine consider putting a bit of 2x4" timber (or something similar - I use an old wooden oar with leather covered handle, cut down) so that the thin metal tilt support on the engine isn't taking the load of the engine bouncing up and down.
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Old 03 October 2008, 10:50   #4
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What Nos & Polwart say, but also strap your engine down so the support wood is in permanent compression - the force the tilt pin will see on the potholes etc doing that compared to what it sees getting you on the plane is relatively smallif it's all moving "as one" - crashing down on the other hand....

I'll try to describe what I've got in the absence of a camera - Lump of sawn off fence post with suitable lumps sawn & filed out to clear the "fragile" parts of the swivel bracket and allow it to engage where the tilt pin would. Drilled a slightly oversized hole at the bottom end that the tilt pin goes through. (should something happen & it falls out, I then don't leave a lump of 3x3 bouncing along the M8 and it will also wedge itself at a point it should catch the leading edge of the cav plate & stop a total decent of the leg.....)

Then I release the engine's tilt lock, and use a length of 12mm rope with a suitbaly placed loop tied from the clamp bracket over the leg & back to the clamp bracket on the other side and is lashed hard down. Basically does what Polwart says - stops it bouncing and ensures the whole engine moves "as one".

Use a carpet offcut to protect paintwiork from the rope, or use 12mm "soft mainsheet" rope which is paint friendly. (well, it has been so far.......)


Another towing tip, your fuel tank(s) will likely want to move around with the road vibrations. make sure they are well lashed down too if they arent in the car.
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Old 03 October 2008, 13:07   #5
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Bit like this:-

My set up.

Nasher
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Old 07 October 2008, 15:54   #6
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Many thanks!

Cheers for the excellent advice, troops, really appreciate it
Spent last Sunday morning watching boats go down (and up) the Duncan Mills slipway at Balloch in preparation for giving it a go myself in a couple of weeks or so once the RIB is down from Kintyre. . .lots of good tips and advice but was horrified to see one mob basically throw a speedboat down the slip without due care etc. Needless to say the Rangers took him to task. . .

T'bob.
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Old 07 October 2008, 16:48   #7
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Bob;

If you've never pulled a trailer before, it's the backing that gets most people in the sticks on a ramp. The actual launching and recovering are fairly simple in comparison.

If you have pulled a trailer (and are adept at backing it up), ignore the next. Else:

1) Simple way to steer the trailer back: Put your hands at the bottom of the steering wheel. Push your hands in the direction you want the trailer to move.

2) Remember that you have to initiate the trailer to turn, and you have to stop the turn (unlike a car, where you inititate a turn, and simply return the wheel to center to go straight again.) With the trailer, you turn the wheel, get the trailer started turning, then turn the opposite way to get the trailer going straight again. It takes practice.

To maintain a constant radius turn, you turn the wheel one way to get the trailer turning, then the other to follow the trailer through the turn. To straighten out, you turn a bit more to stop the turn.

3) Get used to using mirrors rather than looking out the back (though you will most likely still need to look back, especially in sharp turns.)

4) If you note where the trailer sits in your side mirror as you go straight back, you can set that up and be sure you're backing straight, rather than drifting to one side or the other.

5) If you get a little screwed up, it's usually easier to pull way forward and get things lined up again rather than try and salvage it and make a bad situation worse. Yeah, it looks somewhat inept, but not as much as putting the trailer into the dock or off the ramp. If you end up like one group I saw with the boat at a 45 degree angle to the ramp, and the truck heading 45 degrees the other way, well that's pretty good advertising as well.


Best thing to do is to take the rig out to a large empty parking area and practice backing straight, around objects, and turning in parallel to things like curbs and such. It's not really difficult, but it takes a bit of getting used to.

Sorry if all this was unnecessary;

jky
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Old 07 October 2008, 16:50   #8
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but was horrified to see one mob basically throw a speedboat down the slip without due care etc. Needless to say the Rangers took him to task. . .
Quite .. you do get amazed at what some people do, but that was a good move to observe in the first instance .. I seem to remember as Polwart said some posts ago .. give it a go yourself when everythings quiet if you are unsure, but also, don't be afraid to ask for help,.. most people are really quite obliging and will help a fellow boater if you get stuck
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Old 07 October 2008, 17:06   #9
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Quite .. you do get amazed at what some people do, but that was a good move to observe in the first instance .. I seem to remember as Polwart said some posts ago .. give it a go yourself when everythings quiet if you are unsure, but also, don't be afraid to ask for help,.. most people are really quite obliging and will help a fellow boater if you get stuck
and don't worry - no matter how much you cock it up - Polwart has probably done worse!

if there is going to be anyone helping you (e.g. the Mrs) make sure:

(1) they are standing somewhere where you can see them and hear them (I usually reverse my trailer with both front windows down) - but not directly behind the trailer I have a bit of an obsession about not walking behind trailers on the slip (even if parked)
(2) they know what they are talking about - and ideally have reversed a trailer before so they understand what might be possible and what is not
(3) you know what they mean when they say "left a bit" - do they mean trailer left, car left, or steering wheel left.
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Old 18 October 2008, 19:25   #10
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Did it!

Successfully completed my first roadtrip with the SR4 on the new trailer
Many thanks for all of the advice/warnings/pictures - appreciate it greatly.
Front was winched & ratchet strapped down, rear heavily ratchet strapped also.
Engine tilted & blocked with shaped wood before also being ratchet strapped.
Result - covered 100 miles across West Highlands (including 15 miles of single-track) without incident, so thanks again.

One thing though - was worried lighting/number plate was obscured when mounted on trailing edge of trailer due to propellor bag etc so ended up mounting it on A-frame (no missing it there!).
Anyone else come across this?

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