Ludi, LeRoy H.  <br/>
       Flight investigation of effects of selected operating conditions on the bending and torsional moments encountered by a helicopter rotor blade [NASA TN D751-TN D760] 
 / LeRoy H. Ludi 
 .- Washington: National Aeronautics and Space Administration [NASA],  1961 
 .- 43p. 
.- ( National Aeronautics and Space Administration [NASA]   
<br/><u>Subject Headings:</u> <br/>Flight investigation of effects;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR008474 [TN D-759]</b>, Full Call No.: ,   Item type:  Technical Report , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>