2
EN
WARNING: Read the ENTIRE instruction manual to become familiar with the
features of the product before operating. Failure to operate the product correctly
can result in damage to the product, personal property and cause serious injury.
Age Recommendation: Not for children under 14 years. This is not a toy. It must be
operated with caution and common sense and requires some basic mechanical ability. Failure
to operate this Product in a safe and responsible manner could result in injury or damage to the
product or other property. This product is not intended for use by children without direct adult
supervision. Do not attempt disassembly, use with incompatible components or augment prod-
uct in any way without the approval of Horizon Hobby, Inc. This manual contains instructions
for safety, operation and maintenance. It is essential to read and follow all the instructions and
warnings in the manual, prior to assembly, setup or use, in order to operate correctly and avoid
damage or serious injury.
Meaning of Special Language:
The following terms are used throughout the product literature to indicate various levels of
potential harm when operating this product:
NOTICE: Procedures, which if not properly followed, create a possibility of physical property
damage AND a little or no possibility of injury.
CAUTION: Procedures, which if not properly followed, create the probability of physical prop-
erty damage AND a possibility of serious injury.
WARNING: Procedures, which if not properly followed, create the probability of property
damage, collateral damage, and serious injury OR create a high probability of superfi cial injury.
NOTICE
All instructions, warranties and other collateral documents are subject to change at the sole
discretion of Horizon Hobby, Inc. For up-to-date product literature, visit
http://www.horizonhobby.com/ProdInfo/Files/PRB3900S-manual.pdf
Specifications
Hull Length .................................................................................... 22 in (558mm)
Beam ........................................................................................... 6.5 in (165mm)
Motor ............................................................. Water-cooled Hi-performance 2900Kv
Radio System................................................................ Pro Boat 2.4GHz Pistol-grip
Drive System .......................................... Direct Drive with Adjustable Propeller Strut
Steering System .......................................... Offset Rudder with Built-in Water Pickup
Speed Control ............................... Water-cooled 30-Amp Brushless ESC with Reverse
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