Shaft Length Selection Guide

To determine how long a shaft you need, measure down from the mounting surface of the transom or bow to the water level*. Use this measurement and the tables below to find the appropriate shaft length.

Transom Guide

Transom to
Waterline
Recommended
Shaft Length
0 to 254mm 30” (760mm)
254 to 406mm 36” (915mm)
406 to 559mm 42” (1070mm)
Over 559mm Contact BLA

Bow Guide

Transom to
Waterline
Recommended
Shaft Length
0 to 406mm 36” (915mm)
406 to 559mm 42”-45″ (1070-1143mm)
559 to 711mm 48-52” (1220-1320mm)
711 to 864mm 54″-72″ (1372-1829mm)

* Add 5″ to waterline measurement for fishing in rough water. Optimal operating mode is with engine trimmed all the way down.

* Add 9″ for bow-mount Hand Control motors.

* We recommend that the propeller tip is submerged at least 12″ below the water line to avoid churning or agitation of water surface.

Motor Selection Guide

 BLA CodeModelMountControlMax Thrust
lb
VoltsSpeeds
(Fwd/Rev)
Digital MaximizerShaft Length
in
Heading SensorUniversal Sonar 2i-Pilot Linki-PilotAutoPilotBattery MeterMax. Amp DrawMax Boat Length
m
Ulterra i-Pilot Link601628Riptide Ulterra 112/IP Link/BT - SaltwaterAutoStow/Deployi-Pilot Link Remote11236VariableYes60Weedless Wedge 2-Yes-Yes*Yes527.6
601630Riptide Ulterra 112/IP Link/BT - SaltwaterAutoStow/Deployi-Pilot Link Remote11236VariableYes72Weedless Wedge 2-Yes-Yes*Yes527.6
601640Ulterra 80/IP Link/US2/BT - FreshwaterAutoStow/Deployi-Pilot Link Remote and Ulterra Foot Pedal8024VariableYes60Weedless Wedge 2YesYes-Yes*Yes567
Terrova i-Pilot Link601612Riptide Terrova 55/IP Link/BT - SaltwaterTerrovai-Pilot Link Remote5512VariableYes54Weedless Wedge 2-Yes-Yes*Yes505
601616Riptide Terrova 80/IP Link/BT - SaltwaterTerrovai-Pilot Link Remote8024VariableYes60Weedless Wedge 2-Yes-Yes*Yes567
Ulterra with i-Pilot601620Riptide Ulterra 80/IP/BT - SaltwaterAutoStow/Deployi-Pilot Remote8024VariableYes60Weedless Wedge 2--YesYes*Yes567
601621Riptide Ulterra 80/IP/BT - SaltwaterAutoStow/Deployi-Pilot Remote8024VariableYes72Weedless Wedge 2--YesYes*Yes567
601622Riptide Ulterra 112/IP/BT - SaltwaterAutoStow/Deployi-Pilot Remote11236VariableYes60Weedless Wedge 2--YesYes*Yes527.6
601624Riptide Ulterra 112/IP/BT - SaltwaterAutoStow/Deployi-Pilot Remote11236VariableYes72Weedless Wedge 2--YesYes*Yes527.6
601638Ulterra 80/IP/US2/BT - FreshwaterAutoStow/Deployi-Pilot Remote and Ulterra Foot Pedal8024VariableYes60Weedless Wedge 2Yes-YesYes*Yes567
Terrova with i-Pilot601604Riptide Terrova 55/IP/BT - SaltwaterTerrovai-Pilot Remote5512VariableYes60Weedless Wedge 2--YesYes*Yes505
601605Riptide Terrova 55/IP/BT - SaltwaterTerrovai-Pilot Remote6012VariableYes60Weedless Wedge 2--YesYes*Yes505
601606Riptide Terrova 80/IP/BT - SaltwaterTerrovai-Pilot Remote8024VariableYes54Weedless Wedge 2--YesYes*Yes567
601608Riptide Terrova 80/IP/BT - SaltwaterTerrovai-Pilot Remote8024VariableYes60Weedless Wedge 2--YesYes*Yes567
601609Riptide Terrova 80/IP/BT - SaltwaterTerrovai-Pilot Remote8024VariableYes72Weedless Wedge 2--YesYes*Yes567
601610Riptide Terrova 112/IP/BT - SaltwaterTerrovai-Pilot Remote11236VariableYes60Weedless Wedge 2--YesYes*Yes527.6
601636Terrova 80/IP/US2/BT - FreshwaterTerrovai-Pilot Remote and Terrova Foot Pedal8024VariableYes60Weedless Wedge 2Yes-YesYes*Yes567
601634Terrova 55/IP/US2/BT - FreshwaterTerrovai-Pilot Remote and Terrova Foot Pedal5512VariableYes54Weedless Wedge 2Yes-YesYes*Yes505
Ultrex with i-Pilot601642Ultrex 80/IP/US2/BT - FreshwaterLift-Assisti-Pilot Remote and Heel-Toe/Cable Foot Pedal8024VariableYes45Weedless Wedge 2Yes-YesYes*Yes567
601644Ultrex 80/IP/US2/BT - FreshwaterLift-Assisti-Pilot Remote and Heel-Toe/Cable Foot Pedal8024VariableYes52Weedless Wedge 2YesYes-Yes*Yes567
601646Ultrex 80/IP/US2/BT - FreshwaterLift-Assisti-Pilot Remote and Heel-Toe/Cable Foot Pedal8024VariableYes60Weedless Wedge 2Yes-YesYes*Yes567
601648Ultrex 112/IP/US2/BT - FreshwaterLift-Assisti-Pilot Remote and Heel-Toe/Cable Foot Pedal11236VariableYes45Weedless Wedge 2Yes-YesYes*Yes527.6
601650Ultrex 112/IP/US2/BT - FreshwaterLift-Assisti-Pilot Remote and Heel-Toe/Cable Foot Pedal11236VariableYes52Weedless Wedge 2Yes-YesYes*Yes527.6
601652Ultrex 112/IP/US2/BT - FreshwaterLift-Assisti-Pilot Remote and Heel-Toe/Cable Foot Pedal11236VariableYes60Weedless Wedge 2Yes-YesYes*Yes527.6
Ultrex with i-Pilot Link601654Ultrex 80/IP Link/US2/BT - FreshwaterLift-Assisti-Pilot Link Remote and Heel-Toe/Cable Foot Pedal8024VariableYes45Weedless Wedge 2YesYes-Yes*Yes567
601656Ultrex 80/IP Link/US2/BT - FreshwaterLift-Assisti-Pilot Link Remote and Heel-Toe/Cable Foot Pedal8024VariableYes52Weedless Wedge 2YesYes-Yes*Yes567
601658Ultrex 80/IP Link/US2/BT - FreshwaterLift-Assisti-Pilot Link Remote and Heel-Toe/Cable Foot Pedal8024VariableYes60Weedless Wedge 2YesYes-Yes*Yes567
601660Ultrex 112/IP Link/US2/BT - FreshwaterLift-Assisti-Pilot Link Remote and Heel-Toe/Cable Foot Pedal111236VariableYes45Weedless Wedge 2YesYes-Yes*Yes527.6
601662Ultrex 112/IP Link/US2/BT - FreshwaterLift-Assisti-Pilot Link Remote and Heel-Toe/Cable Foot Pedal11236VariableYes52Weedless Wedge 2YesYes-Yes*Yes527.6
601664Ultrex 112/IP Link/US2/BT - FreshwaterLift-Assisti-Pilot Link Remote and Heel-Toe/Cable Foot Pedal11236VariableYes60Weedless Wedge 2YesYes-Yes*Yes527.6
Powerdrive601603Riptide PowerDrive 55/IP/BT - SaltwaterPowerDrivei-Pilot Remote5512VariableYes54Weedless Wedge 2--YesYes*Yes505
601602Riptide PowerDrive 55/IP/BT - SaltwaterPowerDrivei-Pilot Remote5512VariableYes48Weedless Wedge 2--YesYes*Yes505
601600Riptide PowerDrive 55/FP/BT - SaltwaterPowerDriveFoot Control5512VariableYes54Weedless Wedge 2----Yes505
Endura601110Endura C2 30 - FreshwaterLever Lock BracketTelescoping Handle30127 FWD/3 REV-42Power Prop-----303.5
601120Endura C2 40 - FreshwaterLever Lock BracketTelescoping Handle40126 FWD/3 REV-42Power Prop-----424
601130Endura C2 55 - FreshwaterLever Lock BracketTelescoping Handle55125 FWD/3 REV-42Power Prop-----505
Endura Max601136Endura Max 40 - FreshwaterLever Lock BracketTelescoping Handle4012VariableYes36Power Prop----Yes424
601138Endura Max 55 - FreshwaterLever Lock BracketTelescoping Handle5512VariableYes42Power Prop----Yes505
Transom601440Riptide Transom 45/SC - SaltwaterLever Lock BracketTelescoping Handle45125 FWD/3 REV-36Power Prop----Yes424.5
Transom Maximizer601442Riptide Transom 45 - SaltwaterLever Lock BracketTelescoping Handle4512VariableYes36Power Prop----Yes424.5
601444Riptide Transom 55 - SaltwaterLever Lock BracketTelescoping Handle5512VariableYes36Power Prop----Yes505
601446Riptide Transom 55 - SaltwaterLever Lock BracketTelescoping Handle5512VariableYes42Power Prop----Yes505

N.B. Recommended boat lengths are based on BLA’s recommendations considering the boat’s average weight, height, passengers, etc. Recommendations can vary when considering these factors.

* Included i-Pilot and i-Pilot Link