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V尾HP-14滑翔机图纸

2018-2-13 19:42| 发布者: dymodel| 查看: 86| 评论: 0|原作者: sirius

摘要: V尾HP-14滑翔机图纸 This is not inteneded as documentation for the HP-14 as this has been adequately covered in depth by Soar Idaho. If that article should disappear from the internet, you can d ...
V尾HP-14滑翔机图纸
This is not inteneded as documentation for the HP-14 as this has been adequately covered in depth by Soar Idaho. If that article should disappear from the internet, you can download a pdf copy here
In support of this article, Jim Owen has kindly donated his drawings for a scale model of the HP-14 in both the V-tail and T-tail versions of the glider and are available for download from this site further down the page.
A Brief History of the HP-14
"In the HP-14 Dick Schreder made improvements to he HP-11/13 fuselage. The Wortmann airfoil wings were mated to the improved fuselage. In the HP-14 Dick Schreder used lower wing loading and reduced aspect ratio, aiming to create a potent Open Class sailplane that would do well in weak conditions. He succeeded admirably: more than 40 all versions were built in the U.S. and Slingsby in England. The ship has appeared with all three tail styles: the original had the familiar Schreder Vee-tail, Slingsby produced the C version with conventional tail, and the final T version used the C wing and a T-tail appeared in 1968. Slingsby HP-14's received type certificates and are licensed in the standard category; the rest are experimental. Hp-14's are famous for the effectiveness of their flaps for landing, and Schreder produced them in kit form from 1966 to 1970. "

Technical Details - HP-14
L/D max:     39 @ 89 Km/h
Min. Sink:     .55 m/s @ 76 Km/h
Span:     16.6 meters
Area:     12.85 sq.meter
Aspect Ratio:     21.6
Empty weight:     210 Kg
Gross weight:     329 Kg
Wing Loading:     25.6 Kg/sq.meter
Airfoil:     Wortmann FX 61-163
Note: The published min. sink and speed yields a L/D of 38 which is optimistic for a L/D max of 39.


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