AquaCraft GrimRacer Precision Prop Balancer User Manual
Precision prop balancer

WHY BALANCE AND SHARPEN YOUR PROPELLER?
Model boat propellers typically spin at the same RPM as the motor or engine. Any vibration that comes from the propeller can
rob your boat of both power and speed. It can also ruin electronics and even break metal parts. It is always best to balance your
propellers. Likewise a dull propeller can upset the handing of the boat.
TOOLS AND SUPPLIES YOU ARE GOING TO NEED:
Dust Mask
Eye Protection
Small Round File
Small Flat File
220 Wet/Dry Sandpaper
Scratch Pad (red)
Felt Tip Pen
www.aquacraftmodels.com
HOW TO BALANCE AN RC BOAT PROPELLER USING YOUR PRECISION PROP BALANCER
Copyright © 2008
AQUB9575Mnl1.0
™
Precision Prop Balancer
Precision Prop Balancer
Precision Prop Balancer
Stock Number
Description
Type
Diameter
Pitch
Bore
AQUB9700
36 x 55
2-Blade
36mm
55mm
1/8"
AQUB9715
40 x 53
2-Blade
40mm
53mm
3/16"
AQUB9720
40 x 52
3-Blade
40mm
52mm
3/16"
AQUB9725
42 x 55
2-Blade
42mm
55mm
3/16"
AQUB9755
L38 x 55 Lifter
2-Blade High Lift
38mm
55mm
3/16"
AQUB9758
L38 x 63 Lifter
2-Blade High Lift
38mm
63mm
3/16"
AQUB9763
L42 x 66 Lifter
2-Blade High Lift
42mm
66mm
3/16"
AQUB9765
L44 x 66 Lifter
2-Blade High Lift
44mm
66mm
3/16"
AQUB9768
L45 x 68 Lifter
2-Blade High Lift
45mm
68mm
3/16"
AQUB9785
65 x 100
2-Blade
65mm
100mm
1/4"
AQUB9787
67 x 105
3-Blade
67mm
105mm
1/4"
Boat
Prop
AquaCraft #
Octura Equivalent
Prather Equivalent
Rio 51
65x100
AQUB9785
†
265
67x105/3
AQUB9787
†
270/275
Miss Vegas
36x55
AQUB9700* Y535
N/A
40x53
AQUB9715
440
215
Top Speed 2
40x52/3
AQUB9720
440
220
42x55
AQUB9725
230
40x53
AQUB9715
440
215
SuperVee 27 Brushless
40x52/3
AQUB9720* 440/3
220
42x55
AQUB9725
230
40x53
AQUB9715* 440
215
SuperVee 27 Nitro
40x52/3
AQUB9720
440/3
220
42x55
AQUB9725
230
*Bold part number denotes propeller with handling characteristics similar to those of the stock prop.
†
AQUB9785 and AQUB9787 are for all 23cc-30cc gas powered boats.
™
Precision cast from Copper-Beryllium-Titanium!
Precision cast from Copper-Beryllium-Titanium!
™
Visit www.aquacraftmodels.com for additional prop sizes.