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Click
here
for current Viper Cruiser Specials (PDF 46k)


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VIPER CRUISER HOVERCRAFT
NEW
Series 3 plans & kits now available
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The VIPER
CRUISER plan / kit hovercraft is a fully amphibious vehicle capable of
carrying four adults and gear across a variety of surfaces including sand,
snow, ice and water.
The kit is designed for the
"do-it-yourselfer". It is simple and inexpensive to build.
Using an
epoxy/plywood/foam sandwich and "stitch and glue" construction, the
VIPER CRUISER hull is strong, lightweight and
durable.
The VIPER
CRUISER hovercraft kit is
constructed using marine plywood, timber battens, Rigid PVC foam,
fibreglass cloth and epoxy resin.
The VIPER CRUISER
hovercraft is
ideal for cruising, fishing, exploring, farming and various industrial
applications.
See the links on the left of this page for more information on
the plans and kits available for the Viper Cruiser.
Right click
here
to download a short video of a Viper Cruiser in action
(3.8 MB / 59 sec)
Right click, and press "save
target as" to download to your hard drive.
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WHY PLYWOOD
For amateur home
hovercraft builders, plywood is the material of choice. Plywood is
affordable and easy to use. Plywood has a better "strength to
weight" than steel and is much lighter than most fibreglass
hovercraft. When encapsulated with epoxy resin, plywood is as durable
and as low in maintenance as any other material. Plywood hovercraft can
be built with basic hand and wood working tools.
The joining of the
plywood is a "stitch and glue" method. Panels are cut to shape
from plans and joined together at the seams. A hovercraft can be
assembled quickly after all the panels are cut out.
Once the panels are
stitched together with lengths of copper wire, an epoxy paste to used to
create a fillet along each side of the join. The join is then covered
with a layer of resin-coated fibreglass tape.
An important feature of
the Viper Cruiser is the addition of "foam sandwich" panelling.
This significantly increases the hull strength, eliminating the need for
complex frames and structures. Hull strength and durability is further
increased with additional layers of Kevlar cloth on all running surfaces.
Almost anyone can build a Viper Cruiser
hovercraft hull using this method of construction. The end result is a
light weight, strong and durable hovercraft.
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VIPER CRUISER
SPECIFICATIONS
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General |
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Length |
4.1m |
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Width |
2.2m |
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Height |
1.3m |
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Dry Weight
(unladen) |
190 kg min |
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Payload
(max.) |
400kg (4
persons) |
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Cushion
Pressure (max.) |
690 Pa |
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Hoverheight. |
240 mm |
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Buoyancy |
650kg
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Fuel
capacity |
35lt (std) |
| Performance |
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Thrust
(Approx.) |
85kg
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Speed -
Max. (ideal conditions) |
80 kph |
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Speed -
Cruise |
25 - 50 kph
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Endurance
Cruise |
3 - 4 hours
(cruise) |
| Power module |
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Engine make |
Rotax 582UL |
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Capacity |
580cc |
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Type |
Water-cooled, two-stroke |
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Power |
64 bhp @ 6,500 rpm |
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Ignition |
Twin CDI. Twin sparkplug |
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Starting |
Electric
start |
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Drive |
HTD Tooth
belt |
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Propulsion |
Multi-wing
fan |
Alternative engine installations that may be used:
Hirth: All
two cylinder and four engines.
Rotax:
447, 493, 494, 503, 532,and 583.
Yamaha: PE485, VMAX 500 & 600.
Blue Thunder: 685cc Twin.
Robin
EC44.
Click
here
for current Viper Cruiser Specials (PDF 46k)
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Viper
Cruiser Features
Plans:
• Simple and easy
to understand.
Includes:
• List of kit contents and materials.
• Technical information on bonding, fiberglassing and sealing plywood.
• Detailed plans.
• Assembly instructions.
• Cross-section drawings.
• Skirt templates.
• Wiring diagram.
• Operating and maintenance instructions.
Hull:
• Capacity to seat
four adults in comfort.
• Simple to build.
• Strong, lightweight, Epoxy/Plywood/Foam sandwich construction.
• Significant positive buoyancy.
• Superior design for increased versatility.
• Enclosed electrical system.
• Enclosed and vented fuel system.
Skirt:
• Individually
pressurized extended segment, neoprene-coated nylon skirting.
Power Module:
• Single engine and
fan, providing integrated lift and thrust.
• Sealed engine air-intake filtration system).
• Remote choke control.
• Simple power module containing the engine, transmission, fan, duct
and rudders as a single unit.
• Individually, adjustable, replaceable fan blades.
• Efficiency, lightweight, adjustable transmission system.
• Aerodynamic, one piece, lightweight fan duct.
Controls:
• In-line seating with simple handle bar controls.
• Durable push-pull cable steering.
• Fully aerodynamic Rudders.
• Excellent driving position with easy control of pitch and roll by
weight shift.
• Optional elevator system.
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