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Kardan Style Motor Couplers
Heavy duty brass ends are locked down to the shaft with a grub screw using the allen wrench supplied. The heavy duty universal joint slides over the brass ends and is held in place by the veins on the brass and grooves in the plastic.
Use the two drop down menus to select the two end sizes for your coupler. Once you have selected both sizes click "Order" and that size coupler will be added to your shopping cart.
Overall size 1 7/8 " (48mm) Long |
MFAC
$18.95
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Power Heavy Duty Clutch
Adaptable to shaft diameters of 5/4 mm, 4/3.2 mm |
ROB1446
$18.95
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Super Navy Coupler
Machined brass universal sockets with nylon dogbone coupling rod. Use the two "End" drop down menus to choose each end of the desired coupler size then click order to add to cart. |
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Dumas Shaft Coupling
Machined brass universal sockets with nylon dogbone coupling rod. Use the two "End" drop down menus to choose each end of the desired coupler size then click order to add to cart. |
DUM2008
$8.95
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Universal Coupling, 5 to 6mm |
GR346
$11.95
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Universal Coupling 3.2mm (1/8") to 4mm |
GR354
$12.95
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Coupling for 5mm Diameter Shaft
To be used with Graupner Universal Coupling (Above) |
GR354.1
$3.95
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Universal Coupler 4mm to 4mm |
GR354.4
$10.95
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Coupling for 2.3mm to 3mm Shaft
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GR355.2
$9.95
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Shaft With Stern Tube
Shaft diameter: 6 mm
Stern tube diameter: 12 mm
Shaft lenght: 242 mm
Thread: M 6 |
ROB1453
$26.95
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4mm Stern Tube
Total Length: 12"
Waterproof
Includes jam nut.
Extremely smooth operation. |
MAR180
$39.00
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3/16" Shaft and Stuffing Box
This heavy duty shaft with stuffing box comes with a 14" threaded-smooth shaft, a jam nut, nylon washer, two bushings, an oil filler tube and instructions. |
HAR2004
$19.95
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6mm Prop Shaft and Stuffing Box
Shaft: 6mm x 18"
Stuffing Box: .41" Diameter x 15 3/4" |
ROB1737
$23.95
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HARBOR MODELS Metric Shaft/Stuffing Box
1/8" (3.2mm) x 8" long |
HAR2021
$15.00
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4mm Shaft and Stuffing Box
Tube Diameter: 6mm
Lenght: 300mm |
ROB1444
$16.95
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Steering Solution
The Steering Solution is an effective means to control steering through the application of a unique cable and pulley system attached to the rudder posts. A servo, not supplied with steering solution, powers the cable. For large props of 3" or larger, the use of a high torque is suggested for overcoming strong prop wash. The rudders can be smoothly turned 90 degrees without the steering mechanism locking up as can occur with piano wire and bell cranks. Snapping the rudders a full 90 degrees on a kort nozzle set will allow the boat to walk sideways for tight maneuvering.
2 Spool TIL120
3 Spool TIL121
4 Spool TIL128
Choose a rudder post size from the drop down menus, either 1/8" or 3/16" and click order to add to cart. |
TIL120
$24.95
TIL121
$28.95
TIL128
$31.95
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Variable Pitch Propeller
Go from forward to reverse without changing motor direction!
2" Diameter Prop
4mm Shaft
5/16" Stuffing Box
Includes Instructions |
MAR090
$79.00
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Variable Pitch Propeller with 700 Motor
Comes with a 12V, 700 motor attached for even further ease of installation. |
MAR120
$119.00
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Pono Nozzle
Cast polymer kort nozzle.
Nozzle dia. 4°"
Prop. dia. 3°"
2 rudder shoes. |
HAR2006
$24.95
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Kort Nozzle
Redating kort nozzle, designed for propellers up to 50 mm diameter. |
ROB1433
$18.95
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Kort Nozzle Set
Fixed Kort nozzle with a rudder and special 60mm diameter propeller. |
ROB1487
$21.95
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Kort Nozzle
Rotating Kort nozzle for propellers up to 95mm in diameter. |
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Jet propulsion unit gearbox
The set contains: gearbox flange, two toothed belt pulleys, toothed belt. Required for high-reving electric motors, as it reduces current drain by about half. |
GR2341
$34.95
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Bow Thruster With Electric Motor
High power design for medium to large boats
1 3/8' Tube Diameter
Propeller diameter 1 1/8"
Tunnel length 6"
12 volt motor, aluminum tube |
MARX101
$89.95
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Bow Thruster With Electric Motor
Plastic case with electric motor SPEED400 and two extension tubes.
Specifications:
7.2V
Tube Diameter: 0.55"
Tube Length: approx. 2.36"
Total tube length (with center section): 6.5"
Height: 2.5" |
GR1785
$39.95
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Bow Thruster With Electric Motor
Rugged bow thruster unit with new wheel and high-efficiency design. Supplied with Navy S 4.8-6V motor, suppressor filter set and connection elements.
Height 112mm (4 3/8")
Max Width 155mm (6)
Tube Diameter 28mm (1") |
ROB1155
$59.95
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Nozzle Rudder
This cast aluminum rudder with 7" cast-in stainless steel shaft is suitable for use with either the Pono or San Pedro nozzles.
Height 3"
Width 1" |
HAR2007
$14.95
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Single Rudder Arm
1/8"
1 1/8" x 1/2" x 3/8" |
DUM3504
$4.75
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Single Rudder Arm
3/16"
1 1/8" x 1/2" x 3/8" |
DUM3508
$4.75
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Double Rudder Arm
1/8"
1 7/16" x 15/16" x 3/8" |
DUM3515
$5.75
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3/16"
1 7/16" x 15/16" x 3/8" |
DUM3516
$5.75
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Rudder and Motor Mixer Control Unit
Automatically control the relative speed of two motors on your boat to achieve extremely sharp turns. As the rudder stick on the radio transmitter is pushed to a greater degree, the motors will change speed to pull/push the boat. Extreme rudder movement will cause the inboard motor to reverse for a tight turn.Works in both forward and reverse.
This solid state, micro processor works with any radio system and speed controls.
Output connectors provided for the rudder servo and speed controls. Must have 2 speed controls to work.
Includes LED power on indicator lamp.
Case size: 1. x 1.26 .79"
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AJK101
$69.00
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