Born-Propeller
QUESTIONNAIRE FOR PROPELLER DESIGN


(please complete [and delete, where applicable])



1. Application	

   [Airplane]
   [Motorglider]
   [Other]

   NAME:
   
   MTOW (lbs):

   WING AREA (ft²):


2. Engine

   Name:

   Take-Off Power (HP @ RPM):

   Max. Continous Power (HP @ RPM):

   Number of Cylinders:

   Configuration:

   Gear Ratio (if applicable):

   RPM Restrictions:


3. Performance

   [Flown]
   [Calculated]

   Max. Speed at Sea Level (KTAS @ RPM):

   Max. Speed at Altitude (KTAS @ RPM, Altitude):

   Best Rate of Climb (ft/min @ KIAS):

   Vne:


4. Already Tested Propeller

   Type / Model No.:

   Diameter (inches):

   Full Throttle Static RPM:   


5. Desired Propeller

   [Fixed Pitch]
   [Ground Adjustable]
   [Variable Pitch]

   If variable pitch: [electric]
                      [hydraulic]

   Principally designed for: [climb]
                             [cruise]
                             [allround]
                             [aerobatics]

   Configuration: [Tractor]
                  [Pusher]

   Rotation (view in flight direction): [Righthand]
                                        [Lefthand]

   Prop De-Ice required: [Yes]
                         [No]

   System Voltage:

   Max. Permissible Diameter (inches):

   Number of Blades:

   Hub / Engine Flange Type:


   Spinner Diameter (inches):

   Spinner Distance to the flange (inches):

   Spinner Trim Angle (degrees):

   Spinner Nose: [tapering]
                 [blunt]


6. Name & Address

   Full Name:

   Company:

   Street:

   City, State:

   ZIP-Code:

   Country:

   Phone:

   Fax:

   E-mail:



Rem.: We cannot be held responsible for any design faults afterwards,
      caused by the supply of wrong data!


Please attach the completed file to an e-mail and send it to

info@born-propeller.de