Sib Carrier

[smallribber]

Moving on from the idea of carrying ones outboard on your tow hitch. If a person is short on space in their car and have a tow bar but dont want to have a trailer something like the Bak Rak could be used to good effect I think to carry the sib in its bag on.

The original Bak Rak can take 100kg (you need to check what your tow hook can take of course).

Space saving and also easy to lift on and off so better for you back. Most Sibs with bag etc weigh under 60kg all up so should be good to go. Add some ratchet straps and I think it would be very secure.

Should save money on the ferry also as no trailer if that is your thing

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[Peter_C]

The forces applied down are amplified by leverage. It is not uncommon for lesser made receiver hitches to bend to the ground, even with things like a bike rack holding two bikes. A boat weighs far more than a couple of bikes.

My hitch carrier has served many purposes over it's lifetime, with the point being I am very familiar with them. Here is my scuba gear beach hauler being used for a plant sale.

[smallribber]

Originally Posted by Peter_C

The forces applied down are amplified by leverage. It is not uncommon for lesser made receiver hitches to bend to the ground, even with things like a bike rack holding two bikes. A boat weighs far more than a couple of bikes.

My hitch carrier has served many purposes over it's lifetime, with the point being I am very familiar with them. Here is my scuba gear beach hauler being used for a plant sale.

As I said Rack is rated to 100kg, need to check your tow bar rating and most sibs are under 60kg........ Your point is ?

[Mikefule]

Originally Posted by smallribber

As I said Rack is rated to 100kg, need to check your tow bar rating and most sibs are under 60kg........ Your point is ?

Leverage. Torque.

The tow bar rating is for 60 Kg force at the ball, so that's nose weight of the trailer, with the rest of the weight supported by the wheels of the trailer, and with the trailer hitch able to move on the ball.

If you clamp a rack to the ball, it can't move on the ball. None of the weight is taken by the trailer wheels (as there s no trailer) and — importantly — if the weight is not exactly vertically above the ball then there is a twisting force on the ball.

It's like using a longer bar to undo a wheel nut. You apply the same amount of "weight" with your hand, but it translates into more twisting force at the nut.

So any sort of rack clamped to a towball is applying force differently from the simple "nose weight" of the trailer.

How much difference will depend on many variables, and it may or may not be significant, but there is a difference.

[smallribber]

Mike

Yes I understand the principle of a lever and that is an issue.

The fact that there are many of these devices made and for sale in various guises makes me think they will be OK. Most Sibs are actually around the 45kg mark particually if you put the seats and oars etc in the car.

[Peter_C]

Originally Posted by smallribber

As I said Rack is rated to 100kg, need to check your tow bar rating and most sibs are under 60kg........ Your point is ?

My cargo carrier is rated for 500lbs (227kg). That rating means nothing as the hitch is the failure point. We do towing differently in the USA and most vehicles use a square tube receiver hitch. From the leverage they can easily bend to the ground as has happened many times. So your SIB weighs 60kg, along with the outboard which is another 40kg, plus you don't want your fuel inside the vehicle so add in another 10kg. Take that 110kg and toss it up in the air and have it land on the rack. Those are the forces at work.

This is the rack in my photo above.
https://www.harborfreight.com/500-lb...ier-92655.html

[smallribber]

Originally Posted by Peter_C

My cargo carrier is rated for 500lbs (227kg). That rating means nothing as the hitch is the failure point. We do towing differently in the USA and most vehicles use a square tube receiver hitch. From the leverage they can easily bend to the ground as has happened many times. So your SIB weighs 60kg, along with the outboard which is another 40kg, plus you don't want your fuel inside the vehicle so add in another 10kg. Take that 110kg and toss it up in the air and have it land on the rack. Those are the forces at work.

This is the rack in my photo above.
https://www.harborfreight.com/500-lb...ier-92655.html

Who said anything about putting the outboard and all the other stuff on the rack I actually said the opposite. Put just the sib on the rack all the other stuff in the car.

Yes we know the US does things differently.... It gives many people cause for concern

[HDAV]

If the car has a towbar why not just use a trailer

[beamishken]

Originally Posted by HDAV

If the car has a towbar why not just use a trailer

Isn't that just----[emoji848]well too easy?[emoji6][emoji23][emoji23]

[pilotwillie]

Originally Posted by beamishken

Isn't that just----[emoji848]well too easy?[emoji6][emoji23][emoji23]

Most difficult decision would be ‘what one do I use out of my 11 ?’
[emoji849]

[HDAV]

Originally Posted by pilotwillie

Most difficult decision would be ‘what one do I use out of my 11 ?’
[emoji849]

and how do you choose from the 4 tow vehicles

[smallribber]

Originally Posted by HDAV

and how do you choose from the 4 tow vehicles

Colour, Time of day and what quadrant of the Sky the Sun is in

[smallribber]

Originally Posted by HDAV

If the car has a towbar why not just use a trailer

Did you bother to read the first post. If you did you would know some of the answers to that question

Also it was not just about what I might do it was sharing information and ideas with others

[smallribber]

Originally Posted by pilotwillie

Most difficult decision would be ‘what one do I use out of my 11 ?’
[emoji849]

Not sure if it is only 11 actually.. How would you count the number of your boats ?

[Peter_C]

Originally Posted by smallribber

Who said anything about putting the outboard and all the other stuff on the rack I actually said the opposite. Put just the sib on the rack all the other stuff in the car.

Why not put the smelly stuff on the rack and the SIB in the car? Last thing I want is to smell petrol while driving for hours.

Originally Posted by smallribber

Yes we know the US does things differently.... It gives many people cause for concern

Funny as we laugh at Europeans with tiny tow vehicles that are way undersized with short wheelbases. Of course this is the only video I need to see to base my assumption on (In the USA we are judged by the size of our vehicles, so the bigger the better. Kidding my French wife drives a tiny Prius C as she doesn't like big vehicles, and yes even it has a receiver hitch that I built out of 1.75" DOM to carry our bikes on a rack. The store bought receivers are known to bend.)

https://www.youtube.com/watch?v=kvyJby-moUU

[smallribber]

Well I was looking on the Excel site and look what I found

https://www.excel-inflatables.co.uk/...s-car-rack.php