Mounting a Carradice Camper Longflap on a rear rack.

[in4]

Bit of a domino effect this one.
Looking to change my B17 for something with a cut-out ( Sella SMP trek or similar )
This saddle does not have saddle loops but I can buy them from SJS.
Alternatively I was thinking about mounting the saddle bag longitudinally; along the length of the rack. There must be a work around. I wondered if anyone had tried. One advantage I thought of is that the load would be well supported on the rack and not ‘bounce around’ like it might do if conventionally mounted, even with the Carradice Bagnan support.
My aim is to have a lightweight touring ( none camping)  set up with the Camper Longflap, Ortlieb Ultimate bar bag and maybe a small frame bag.
TIA

[martinf]

Not tried it, but the Carradice Bagman Quick Release Expedition Saddlebag Rack doesn't require saddle loops.

Until recently I was using something with a similar function, a Lord Uplift, this used to be sold mail order (30-40 years ago) by the chap that made them.

Visible in the first photo in the thread below:

https://thorncyclesforum.co.uk/index.php?topic=12048.0
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A Carradice Camper Longflap will fit lengthwise on the top of a Thorn rear rack, but I haven't tried to fix a saddlebag to the rack in this position.

It would be easier to hang it off one side, and stabilise it with a strap round one of the rack struts.

But for me, the main point of using a traditional saddlebag is to avoid fitting a rack to the bike. If I have a rack I use pannier bags. Usually just one small one for day rides. For carrying more luggage I use two small, medium or large panniers depending on how much capacity I need.

With a stiff rack (Thorn or Tubus), I don't notice any difference in handling when carrying just one lightly loaded pannier bag.   

[Andyb1]

Rok-straps might work well to hold your bag longitudinally on the rack.  They come in two halves and each half has a loop at the end.  You would feed the strap around the side of the rack and back through the loop, do the same with the other half of the strap on the opposite side of the rack, clip the two haves together and then tighten.  The straps and clips are flat material and strong, and one half is elastic so they stay tight.   Two straps needed.  Have a look at their web site.
Safer and more secure than bungees with hooks.