Quick Big Bertha 69 (2005)

Designed for the 70 size of helicopter engines such as the OS70 that were replacing the 60 size engines in general use at the time.  Available in Pro Carbon and Sport G10 versions with specifications for each as per the rest of the range but this time both had autorotation as standard.

Specifications
Length
49 in.
Height
19 in.
Full Equipped Weight
8.585 lbs (3.89 kg)
Muffler
One Piece 70 Size
Motor
OS 70 Heli Ringed
Gyro
Futaba GY401
S9254 Servo
Canopy
Fiberglass
Blades
Quick 680mm Carbon*
Tail Blades
Plastic**
Frame Thickness
3 mm
Head Spead
 
Pinion
 
Spindle
8 mm
Mainshaft
10 mm

 

PRICE CHART
Part Number
Heli Type
Combo/Kit
Price
 
QK90S
Sport Kit Only $699.99  
QKC90S
Sport Combo $1099.99 FG Blades
QK90P
Pro Kit Only $749.99  
QKC90P
Pro Combo $1249.99 CF Blades

 

Differences Between Sport and Pro Kit
  Sport Pro
Frames
G-10 Fiberglass Carbon Fiber
Head
Molded Blade Grips Fully Metal Head w/ Thurst Bearings
Autorotation Hub
Yes Yes
Boom Supports
Fiberglass Carbon
 
 
 

Quick Big Bertha 69 build manual  -  2006 detailed manual with photo assembly for both Pro and Sport models. 

The Big Bertha 69 model was removed from the range in 2006 though it was not the end as in fact it had basically been repackaged as the Nitro Dominator.

 

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