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 How does it stack up? 
  
    |   | 
    
    
    Aviat Husky A1B (amphib) | 
    
    8GCBC 
    Scout (amphib) | 
    
    Coot-A | 
   
  
    | 
    Engine | 
    
    Lycoming 0-360-A1P, 180hp | 
    Lycoming 
    O-360-C1G, 180hp | 
    Various 150 - 
    220 hp | 
   
  
    | 
    Propeller | 
    
    Constant Speed | 
    
    Constant Speed | 
    
    Constant Speed (typ) | 
   
  
    | 
    Airfoil | 
    
    Modified Clark Y/USA 35B | 
    NACA 4412 | 
    NACA 4415 | 
   
  
    | 
    Wing Span | 
    
    35ft 6in  | 
    
    36ft 2in | 
    
    36ft | 
   
  
    | 
    Length | 
    
    22ft 7in  | 
    23ft | 
    22ft | 
   
  
    | 
    Wing Area sq ft. | 
    
    183 | 
    
    180 | 
    
    180* | 
   
  
    | 
    Gross Weight | 
    
    2200 lbs | 
    
    2150 | 
    1900* -
    
    2170 | 
   
  
    | 
    Empty Weight | 
    
    1368 lbs | 
    
    
    1315 | 
    
    1450 - 1650 (typ)* | 
   
  
    | 
    Useful Load (lb) | 
    
    832 | 
    835 | 
    250 - 720 (550 
    practical) | 
   
  
    | 
    Seats | 
    
    2, tandem | 
    
    2, tandem | 
    
    2, abreast | 
   
  
    | 
    Fuel Capacity (std) | 
    
    52 US gal (50 usable) | 
    35 US gal | 
    30 (typ) | 
   
  
    | 
    Stall (kts, 
    ldg config) | 
    
    45 | 
    
    50 | 
    
    43 (typ) | 
   
  
    | 
    Rate of climb 
    (fpm) | 
    
    1500 | 
    1080 | 
    600 - 800 (typ)* | 
   
  
    | 
    Price example 
    ($US) | 
    
    
    $189,000 | 
    
    
    $169.500 | 
    
    Varies (but let's guess $30K) | 
   
  
    | 
    Cost variance | 
    
    $159,000 | 
    $139,500 | 
    N/A | 
   
  
    | 
    Useful load 
    variance (lb) | 
    
    282 | 
    
    285 | 
    
    N/A | 
   
  
    | 
    Cost per 
    additional lb | 
    
    $564 /lb | 
    $489 /lb | 
    N/A | 
   
 
* Steeves, R.  (1997).  The Coot 
Story.  Richard A Steeves.  Madison. 
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