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Thread: OS .75AX users please post prop sizes
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Old 02-15-2025 | 07:42 AM
  #39  
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1QwkSport2.5r
 
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As has been noted by Great Planes/Hobbico Tech in the past; the AX engines do better when propped for a ground peak around 12k. The lighter the prop load, the better they unload in the air.
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