Chris
Launch and recovery single handed of my GRP BR20 has not been a problem in my three years of experience with this boat. I add that my limited venue experience has always had the luxury of a good slip and car access.
Manually pushing the boat and trailer even on flat smooth ground single handed is not too difficult but add any surface lumps and bumps or gradients i would say forget it.
To overcome this problem i fitted a powerlaunch system to the trailer, the same concept as the remote caravan movers you see. My life is easy now as i can effortlessly manoeuvre the boat by remote control. That system is no longer made and limited spares are only available but many electric power movers designed for caravans are available that use the road tyres with power rollers, jockey wheel or tow hitch are out there.
My BR20 is the GRP version at 450 kg plus i guess 200kg for the trailer, the WE version about 100 kg less so that would help, i have experience in sailing both and the WE is definitely more nimble and slightly less stiff but i have never felt concerned whilst out on the water in F5 and some sea state. I must admit though i prefer the look of my GRP version.
I did consider changing mine to the BR17 at one point (only available as a WE) but again the harder lines of the construction did not appeal.
Can’t help on giving you a practical demo unless you want to come down to the Midlands but some more northerly raids are on the forum and we have the Caledonian raid coming up if you can travel, I’m sure you will get all the demos you want there.
Peter Cockerton