Jewel, Joseph W. <br/>
       Compressibility effects on the hovering performance of a two-Blade 10-foot-diameter helicopter rotor operating at tip mach numbers up to 0.98 [NASA TN D-245] 
 / Joseph W. Jewel 
 .- Washington, D. C.: NASA,  April 1960 
 .- 27p. 
.- ( National Aeronautics and space Administration (NASA)   
<br/><u>Subject Headings:</u> <br/>Helicopter rotor;
<br><U>Copy Details:</u><br> Acc. No.: <b>63648 D-245</b>, Full Call No.: ,   Item type:  Technical Report , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>