Electric Flight in Australia

 

Prop Stoppers - for folding pusher props

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 Peter Pine
PO Box 324
Pottsville Beach 2489
Phone (02) 6676 1437
Mobile: (0407) 732 440

E-mail: ppine@northnet.com.au

  
 
 
 
 
 
 
 
 
 
 
 
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When you use a folding propeller in pusher configuration, you must stop the blades from folding beyond 90 degrees. If the blades fold too far, when you re-start your motor, the excessively folded blade will not pop out and work - in fact, it will cause vibration that could damage your model.

You can make up a stopper yourself, but aero-naut provide convenient prop stoppers made out of fibreglass. They need to be trimmed to the correct length for your centrepiece, but you can see the idea in the accompanying photographs.

Incidentally, you can see that you need to fit your blades with the writing facing forwards in this application.
Part Number
Type
Price
7329/81
2-blade prop stopper
$4.50
7329/82
3-blade prop stopper
$5.95