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Home >> Transport & Storage >> Trolley Dimensions - for roof racks, trailers, ferry bookings etc.
Thanks for the swift information Peter! 

14/01/2022 16:26:00
Posts: 3
Hi Tim,
Yes, narrow roof bars are a common occurrence especially on smaller cars. When RS used/lent sponsored Volvos they had to use the standard Volvo roof racks and were limited to narrow ones.

Place one of the two rear RS Aero trolley (standard UK supplied) cross beams directly on top of the rear roof bar and lash both ends tightly with two separate ropes. It is critical that it does not move at all, otherwise it will no longer be suppported, so;

- Lashing around at least 4 times will ensure it can still be tight after tying the knot.
- To avoid risk of chafe watch out for any sharp points (there should not be) use a thick string (5-8mm) and a non chafe string (ideally dyneema core)
- Use two ropes, one each side, in case one fails.

Note - The standard UK supplied trolley changed a little to a Mk3 since that early diagram, so check detail

Also, see another relevant post here too;
' Roof Bars
- The UK supplied trolley's fore/aft longitudinals are 114cm wide (check your own, just in case of version change). So you need your roof bars a few cm wider than that. My roof bars are 120cm wide not including end caps which I think is good as a minimum. 
- The width inside the trolley wheels is 128cm, so I can leave my wheels on and they sit neatly outside the rear roof rack bar. 
- Some cars are limited to narrower roof bars. Then you need to lash the trolley cross beam/axle very tightly directly on top of the rear roof bar. The trolley narrows going forward to engage the front roof bar.
- For upside down, check deck high point width. '

14/01/2022 16:00:00
Peter Barton
Posts: 3605

Question regarding shorter bars. The bars I have currently are a yakima flush bar where the end of the bars are truncated (https://www.yakima.eu/yakima-flushbar). This means I have a bar which is essentially 1 m wide. 

Looking at Peter's diagram, the max width of the A frame is 1.13m, so I won't be able to sit the A frame on the rear bar with the axle beam behind the bar as I think would be the most desired position. Therefore, my question is...

Can I safely secure the axle beam or rear beam directly on top of the bar, and has anyone previously done this and be willing to share what steps they take to secure to boat.

Thanks, Tim.

14/01/2022 14:59:00
Posts: 3
I also slid carriage bolts onto the roof bar slots and fixed them in positions which guided the trolley on and stopped it careering off the front!

19/11/2019 16:25:00
Posts: 15
Make sure the roof-rack bars are wide enough to support the trolley.  I made an assumption when originally purchasing my car with standard Volvo branded racks, only to find out that they were too short.

19/11/2019 11:20:00
Mark J Cole
Posts: 18
Hi, let's talk roofracks! 
I am looking to transport my Aero on a Kia Cee'd, but there is so much to choose from.. What aspects should I consider? F.e. what should be the minimum weight for the roofrack? Thanks in advance! 

19/11/2019 10:39:00
Posts: 3
Good info thanks chris

06/06/2017 20:24:45
Posts: 5
Whilst on the subject of trolleys, here is a measurement diagram for the Mk2 RS supplied trolley that Jonathan Rickels produced when he was arranging a trailer base.
Thanks Jonathan!
It might prove useful to some RS Aero owners at some stage as a guide.  It is still always worth checking your own though, as there may be small variations whist specs were finalised or improved on.

06/06/2017 15:39:12
Peter Barton
Posts: 3605
Hi Chris,
I got to measure high and low RS supplied trolleys for you yesterday; 
Mk1 - low gunwale support with short front handle stalk (from June 2014).
The top of the deck is 43cm above the bottom of the base of the trolley
Mk2 - high gunwale support with long front handle (from March 2015).
The top of the deck is 50cm above the bottom of the base of the trolley
Mk3 - adjustable high or low support with long front handle (from May 2017).
By bolting the gunwale supports into either the top or bottom sections of the horizontal alu frame there is a choice of two settings, high and low, equating to the previous heights i.e. deck about 43cm or 50cm above the bottom of the base of the trolley.
The Mk1 evolved to the Mk2 as the combination of low gunwale supports and a short front handle meant that you had to be careful not to scrape the bottom of your transom and tall sailors had to stoop down when pulling their trollies.
However, there are some advantages with the low trolley supports; 
- launch recover more easily from shallower water 
- more compact for roof rack travel on the trolley
- fit into tighter multi rack trailers 
- slight increased stability ashore
Hence the Mk3 is now available, combining the benefit of both ways. A choice of high or low supports with the long front handle to avoid the need to stoop.

06/06/2017 10:51:44
Peter Barton
Posts: 3605
Chris H, If you have the latest design, with high gunwale supports and need the lower, mark one design and are within striking distance of Hertfordshire, then I might be prepared to swap.

29/05/2017 18:46:07
Posts: 4
You will need to specify, do you have a trolley with the high or low gunwale supports?

29/05/2017 14:09:20
Peter Barton
Posts: 3605
How much height does adding the boat the lauching trolley add on a roof rack. Thanks Chris

29/05/2017 09:42:06
Posts: 5

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