I really hate this thread, I knew I shouldn't have looked at it
I even managed to resist looking the first couple of days, because I knew I would go off into a brain storm
Had stuff floating around in my head for 1 night and a day now, and fighting the urge to do some fag packet sketch's.
To hold in position when up, so that they don't drop unexpectedly I considered Electra magnets.
Any mechanical locking device was just getting to complicated when trying to come up with a system to engage and disengage when required.
Have to done any load requirement calcs yet ?
You need to know have much force is going to be placed on a stabiliser leg.
IE the weight of Fazer 1000 plus rider will place on a leg at say 5 to 10 degrees off of vertical.
The leg will need to withstand the weight plus any other added weight/force placed on the stabiliser leg when the rider mounts dismounts.
If the rider has limited mobility they may need to mount by standing on a peg to get their leg over the bike, Horse mounting style.
Once to have found this out it should help you to find out what type of equipment would be suitable for you needs.
To deploy legs down rapidly I have been thinking of using the door struts, they will come in all sorts of length's and strength's.
all you need to do is do you leverage fulcrum/pivot calcs to work out mech advantage and deployment angles and all that stuff I trying not to think about
I've come up with various configurations in my head so far for the struts supporting the wheel, but they are dependant on the forces that mat be place on them and methods of operation they may be used
I see a lot of maths in your future