Hi Rvbuilder2002,
Our friends in the UK challenged that too. We took 3 guys and went and marked the runway at 300m or 1000'. Did it ten out of ten times and didn't need that much runway. I would bet most could do it with just a little practice and a slight alteration with their technique. Go to some altitude of your choice and set the throttle to 2700 rpm and set up your approach and pull the stick back. What happens is the speed bleeds and will continue to reduce until you hit stall and you will be loosing altitude before that happens. Same in ground effect on the runway in landing. You just need to pull the stick back far enough , not approach too high or too fast. If planned right and the control input is good the plane will slow and settle. You just have to be willing to pull the stick back farther than you normally do. We do the same basic thing when we practice stalls and many times the power on stall rpm is much higher than 2700 rpm. If you pull that stick back far enough the plane has to loose altitude and reduce speed to and through a stall. When I transition pilots I teach them both ways (idle and power on landings) and that includes everything from no flaps to full flaps. Even with extra rpm you should be able to set down in less than a1000' any day unless you have a high object to clear on close approach then that would be a good technique to choose.
Can you float with extra rpm, certainly, but that can be corrected for wit technique.
Our discussion here is mainly about the difference of 100 rpm (1650-1750) and not a1000 rpm and this should be pretty trivial for most to deal with.
I'm sitting here with another LSA slippery plane flier
and posed the same scenario to him. He said the same thing change your landing technique and it shouldn't be any big deal. Here is the scenario. You have a 1000' runway. No approach or take off obstacles. You have 100' target to land in if I land at 1700 rpm touch I have 900' to brake. If I come in and land (what would you do different?) in that same 100' you still have 900' to brake. All I did was change my approach (flatter) and stick position to further back and a little more nose high than the first landing and touched my wheels within the same 100'.