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#21
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Anyone flown a SHK-1?
The Cirrus that was 'basically an fiberglas SHK' was the open cirrus. Not the standard. Same name Whole 'nother Bird.
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#22
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Anyone flown a SHK-1?
On Sunday, May 21, 2017 at 5:40:06 PM UTC-5, Martin Gregorie wrote:
On Sun, 21 May 2017 13:39:31 -0700, Bruce Hoult wrote: When someone says "the first Cirrus was essentially a glass SHK, the prototype inherited the V-tail, the production versions went over to the conventional tail-plane and elevator" I tend to the assumption they're talking about "early" ones -- which are the vast majority of examples in NZ. Understood: apparently only the first prototype had a V-tail, so I'd expect the "early" Cirruses in NZ to be T-tailed with all flying tails. I also know that the first production Std Cirrii had 1.5 degrees washout on the wing and were a bit prone to tip stalling and spinning. Later Std Cirrii had 3 degrees of washout which, apparently cost them some performance but killed the tip stalling tendency, but I have no idea what Wrk.Nr this change applied to. It would be interesting to know which group most NZ-registered Std Cirri fall in. I've heard it said that Std Cirri dominated Club Class until the ones with 1.5 degrees of washout had all been broken and that after that Std Libelles took over. Make what you will of that! -- martin@ | Martin Gregorie gregorie. | Essex, UK org | What Scott said, and then some. Martin, I think you have confused the Cirrus (17.74 meter) with the Std Cirrus (15 meter). Also,to imply the Cirrus is "basically a fiberglass SHK" is comparable to saying "the Corvette is just a fiberglass body on a Monte Carlo." Two ENTIRELY different sailplanes. The ONLY similarity is that the prototype Cirrus had an SHK tail on it. Different wing span, airfoil sections and aspect ratios. different cockpit layout and geometry. They came from the same manufacturer, but other than that... Just my 2 cents worth, Steve Leonard |
#23
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Anyone flown a SHK-1?
At 03:05 22 May 2017, Steve Leonard wrote:
On Sunday, May 21, 2017 at 5:40:06 PM UTC-5, Martin Gregorie wrote: On Sun, 21 May 2017 13:39:31 -0700, Bruce Hoult wrote: =20 When someone says "the first Cirrus was essentially a glass SHK, the prototype inherited the V-tail, the production versions went over to th= e conventional tail-plane and elevator" I tend to the assumption they're talking about "early" ones -- which are the vast majority of examples i= n NZ. =20 Understood: apparently only the first prototype had a V-tail, so I'd=20 expect the "early" Cirruses in NZ to be T-tailed with all flying tails.= =20 =20 I also know that the first production Std Cirrii had 1.5 degrees washout= =20 on the wing and were a bit prone to tip stalling and spinning. Later Std= =20 Cirrii had 3 degrees of washout which, apparently cost them some=20 performance but killed the tip stalling tendency, but I have no idea what= =20 Wrk.Nr this change applied to. It would be interesting to know which=20 group most NZ-registered Std Cirri fall in. =20 I've heard it said that Std Cirri dominated Club Class until the ones=20 with 1.5 degrees of washout had all been broken and that after that Std= =20 Libelles took over. Make what you will of that! =20 =20 =20 --=20 martin@ | Martin Gregorie gregorie. | Essex, UK org | What Scott said, and then some. Martin, I think you have confused the Cirr= us (17.74 meter) with the Std Cirrus (15 meter). Also,to imply the Cirrus is "basically a fiberglass SHK" is comparable to s= aying "the Corvette is just a fiberglass body on a Monte Carlo." Two ENTIR= ELY different sailplanes. The ONLY similarity is that the prototype Cirrus= had an SHK tail on it. Different wing span, airfoil sections and aspect r= atios. different cockpit layout and geometry. They came from the same man= ufacturer, but other than that... Just my 2 cents worth, Steve Leonard Steve is entirely correct. The SHK was derived from the HKS-3 which was designed by Haase, Kensche, and Schemmp. E.G. Haase flew and won the WGC in 1958 (Poland) with it. It used wing warping as opposed to ailerons for increased performance. The HKS design was modified for series production as the SHK. Later, when Klaus Holighaus came to S-H straight out of Akaflieg Darmstadt, he brought along design/constuction ideas and concepts that he had learned and used (along with Waibel and Lemke) when they built the D-36 at the university. The Open Cirrus was Klaus' first venture as the new owner and glider designer of S-H. It is a totally different glider than the SHK. RO |
#24
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Anyone flown a SHK-1?
Hi Jeff,
I have inherited a Standard Austria serial no. 6 for my friend Peter Reid Roberson. The aircraft is in a poor state and needs a lot of work to restore her.Peter started repairing the one wing that was damaged in a landing incident but stopped for some reason.He unfortunately passed away last year. The glider was hanging in the rafters for many years. I am thinking of restoring her and would really appreciate if you could share the drawings you have and possibly the flight manual with me. Best Regards, Manfred Springer, Johannesburg. South Africa. |
#25
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Anyone flown a SHK-1?
On Sunday, May 21, 2017 at 7:43:05 PM UTC-6, Scott Williams wrote:
The Cirrus that was 'basically an fiberglas SHK' was the open cirrus. Not the standard. Same name Whole 'nother Bird. Not really though. The(Open)Cirrus was a very different sailplane, with only the V tail on the prototype being similar. The Open Cirrus had a Wortman airfoil, not an Eppler that was used on the SHK. Also, different wing, very different fus shape, along with the more modern composite construction using glass and foam. Mike |
#26
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Anyone flown a SHK-1?
Yes, was in a syndicated SHK for a couple of years eons ago in the
UK. Nice glider with no especial vices despite what everyone said about the V tail. Good performance for a wooden ship, climbed well too, reasonably comfortable (the "seat" is a pretty minimalist design; check you are comfortable in it), good brakes. Followed a 15m ASW19 round a couple of 300K's and had no difficulty staying with the leader.. Heavy to rig, but not in Kestrel 19 league, it has a very non- standard main pin mechanism (captive main pin moves vertically). The large tailplanes can make for a tricky one man rig if it's windy. Pretty robust construction, coped with one of our less switched on syndicate members ground looping it a few times. No one in our 8 man syndicate did it any lasting harm. Usual wood/glue/age issues; it's an old A/C now! What did you actually want to know? Dave Walsh |
#27
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Anyone flown a SHK-1?
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#28
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Anyone flown a SHK-1?
On Saturday, August 10, 2019 at 9:49:37 PM UTC-5, Buzz!!! wrote:
I’m getting ready to start the restoration process on mine here shortly. What is everyone doing about trailers? How do you have yours configured? Do you like it or not, suggestions or room for improvements? Please let me know. Thanks! Nathan A few years ago I restored and flew #49, very nice glider, I'd still be flying it if I had not gotten so Mentally invested in it to preclude risking it XC. built a trailer and pretty much lived out the Romantic vision of living my version of the 1960's Glider experience. IE (owning a 1960's super ship and building your own trailer). Good Luck, Scott |
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