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#9
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Discus verus Discus 2, LS8, ASW 28
Kilo Charlie wrote:
"Eric Greenwell" wrote in message news:BfY_g.3453$PA3.2721@trndny04... Neither does the ASW 28 canopy. Starting with the ASH 26, Schleicher has incorporated a Roeger hook or equivalent in it's gliders. I believe the LS8 has also has one, or DG has made one available for it as a retrofit. Eric Greenwell - Washington State, USA Not sure what a Roeger hook is but the LS-8 has a spring loaded mechanism at the front of the canopy which releases and at the same time a clamp at the back of the canopy that latches resulting in the canopy getting blown up at the nose and over the back. Sounds like a much better way to exit than anything else I've heard of.....other than an ejection seat of course! From the DG website: "To avoid these situations [canopy not ejecting properly] Prof. Roeger of the Technical University Aachen many years ago invented a special hook, since named for him. After the emergency release the hook turns on the rear canopy frame and prevents it from moving back. The airstreams flowing into the cockpit cannot escape and therefore lifts the canopy, which rotates on the Roeger hook and forces the front of the canopy to lift off and depart rearwards over the tail fin. Such a Roeger hook has been a mandatory installation in all new sailplanes for some years. Great, problem solved." In addition, DG offers these "hooks" as for retrofit into their older gliders, now including the LS series. Good for them! I urge all pilots of older DG/LS gliders to install one soon - the cost for the kit is less than 200 Euro, according to DG's website, and installation relatively easy. -- Eric Greenwell - Washington State, USA Change "netto" to "net" to email me directly "Transponders in Sailplanes" on the Soaring Safety Foundation website www.soaringsafety.org/prevention/articles.html "A Guide to Self-launching Sailplane Operation" at www.motorglider.org |
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