The teams that I am coaching are using the Littl Sweep glider and, yes, it is adapted for the 2014 28cm wing span. The 3 gram minimum weight is also not an issue as the kits we have received will produce glider between 3.2 and 4.2 grams. The lightest copies of this glider are capable of "on pattern" launches of about 30'. It is possible that the 4.2 gram copies may be successful to about 40', but we have not tested this hypothesis. When built to the minimum weight of 3.0 grams (which either requires wood with outstanding stiffness to weight characteristics, or the use of carbon fiber reinforcement on the fuselage and possibly the wing) this glider's maximum flight time is about 1.05 seconds/ft. Best flight time in a 27' ceiling height gym is 27.1 seconds. Average flights are about 25.5 seconds. A 4.0 gram copy of the glider is capable of between 21.5 and 23.5 seconds in the same gym. And yes, it flies well in lower ceiling height gyms.
Remember that this glider is a top quality kit and the design is a very appropriate compromise between maximum performance and ease of construction. My experience has been that the ease of construction aspect is pretty important if your team does not have the benefit of an experienced coach. This glider supplies a lot of performance for the level of effort required to construct. Of course, this is not to take away from the Chuck Marcos or Freedom Flight gliders, which I am sure are excellent too.
AMA 342672 and 77545 (since 1972 off and on)