On Thursday, September 7, 2017 at 6:23:14 PM UTC+2, wrote:
Which would you buy and why? Everyone probably knows the Discus 2b, but in case you're not familiar with the LS-6c, it has 15m and 17.5m tips, automatic control hookups (unlike the 6a and 6b), and a safety cockipit (unlike the 6a and 6b).

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Definitely the LS-6c. I flew both, but liked the LS-6C (with the 17.5m tips) way way more. Very easy to lauch and land, nice in the responses, very easy to fly with few vices. And she's quite a runner with water ballast loaded. The first time you strap in and launch in an LS-6 you say to yourself: "500Km cross country: bring it on!". Rigging/derigging is also much better with the 2 conical bolts. Rougly align the wings and put in the bolts. Ergonomics are also good. After the LS-3/4 the mechanism for operating the landing carriage is the best I ever experienced. Only applying the wheelbrake will need some getting used to as this is done by pressing in both rudder pedals with your heels.

Main drawback is only the fit. The LS-6C is very snug. It's very narrow. But longer pilots do fit in. If the fit is a problem for you don't even look at an LS-7, LS-8 and LS-10 (same fuselage)! The Discus 2B on the other hand is quite roomy....

On the other side:
The Discus 2b is also quite nice, if you don't want to bother with flaps, but it just takes some more time to get used to in order to extract more performance out of her. The wheelbrake is not that good as well as the overall finish of the glider (We in our club say "Scheiss Hirth" instead of Schempp Hirth). I did like it more however than the Discus CS which I also flew. Way more responsive and a roomier cockpit. Also if you fly in competitions on a decent level, the Discus 2b is the better choice (because this glider is still relatively current, the LS-6C is outdated).