File:FAA-8083-13 Fig 4-10.PNG
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DescriptionFAA-8083-13 Fig 4-10.PNG |
English: Some variometers are equipped with a rotatable rim speed scale called a MacCready ring. This scale indicates the optimum airspeed to fly when traveling between thermals for maximum cross-country performance. During the glide between thermals, the index arrow is set at the rate of climb expected in the next thermal. On the speed ring, the variometer needle points to the optimum speed to fly between thermals. If expected rate of climb is slow, optimum inter-thermal cruise airspeed will be relatively slow. When expected lift is strong, however, optimum inter-thermal cruise airspeed will be much faster. [Figure 4-10] |
Date |
circa 2003 date QS:P,+2003-00-00T00:00:00Z/9,P1480,Q5727902 |
Source | (2003) Glider Flying Handbook (pdf), Federal Aviation Administration/Flight Standards Service, p. 4−8 ISBN: 0-16-051419-3. |
Author | UnknownUnknown /FAA |
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[edit]Public domainPublic domainfalsefalse |
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This image or file is a work of a Federal Aviation Administration employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.
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[edit]The original description page was here. All following user names refer to en.wikipedia.
- 2007-02-23 03:17 Dhaluza 228×106× (11217 bytes) Some variometers are equipped with a rotatable rim speed scale called a MacCready ring. This scale indicates the optimum airspeed to fly when traveling between thermals for maximum cross-country performance. During the glide between thermals, the index ar
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current | 14:42, 3 April 2009 | 228 × 106 (11 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Some variometers are equipped with a rotatable rim speed scale called a MacCready ring. This scale indi |
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