Model Trains
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Kyosho Inferno 777 ST-R
60 MHH
To order
31352B Inferno 777 ST-R
See Movie HERE
The new Kyosho Inferno 777
ST-R sets a new standard for the unlimited truck racing class. Designed by
Yuichi Kanai, the 777 ST-R is a full-blown racing truck that borrows some DNA
from the World Champion Inferno series, but most of the truck is newly designed
to dominate the new class of truck racing.
The first time the ST-R was raced, Mark Pavidis piloted the ST-R to a win at the
2006 Nitro Challenge at The Dirt in Hemet, CA. With this type of start he ST-R
is destined for the front of the pack at all the tracks!
• Longer suspension arms
• High-ratio differentials
• Full set of universal drive shafts
• Standard heavy-duty chassis braces
• Bonded semi-metallic brake pads
• 17mm hex Hubs
• 150cc fuel tank
• Lightweight, hard-anodized main chassis plate
• Full-size rear wing
• Longer suspension arms are essential for truck
racing because they create proper suspension geometry. Trucks that use
short buggy suspension arms must use long wheel extenders that create
too much "jacking" and increase the scrub radius, which makes those
trucks very susceptible to torque steer and unpredictable reaction under
braking and acceleration. The long arms of the ST-R give the truck the
desired overall width and proper wheel offset for superior handling,
stability and steering response under all conditions.
• The standard wheelbase of a buggy is around 330mm; the ST-R features a
wheelbase that is up to 20mm longer, ranging from 345 to 350mm. The
extra wheelbase gives the truck more stability over bumps and jumps, but
it's not so long that you'll be struggling to get more steering. The
wheelbase of the ST-R provides the best balance of straight-line
stability and superior steering response.
• High-ratio differentials - Many trucks use the same differential gears
that are used in 1/8 buggies, which requires a very big spur gear to
achieve a proper final drive ratio for use with the bigger truck tires.
This means the center drive shafts must operate at a more extreme angle,
which is less efficient and causes more wear; it also pushes the engine
farther away from the centerline of the chassis. The ST-R features a
4.3:1 differential ratio, which means it has a much wider range of
ratios available, and the spur gear is typically much smaller. When
running a smaller spur gear, the driveshaft run straighter for more
efficiency and less wear, and the engine stays close to the centerline
of the chassis to make the truck more responsive over uneven terrain.
• Full set of universal drive shafts - Chrome-plated universal
driveshaft's are standard equipment on the ST-R. Like all other
components of Kyosho competition vehicles, the drive shafts are made from
specially selected materials that result in much longer service life.
• Standard heavy-duty chassis braces - New chassis braces are standard
on the 777 ST-R. These heavy-duty braces are made from anodized aluminum
and feature beefy rod ends that last longer, while still allow a little
torsion flexing, which is part of the secret of the long-running
success of the Kyosho competition buggies.
• Bonded semi-metallic brake pads - The standard high-performance brakes
are straight from full-scale racing with stronger and more consistent
stopping power than ever before. The fade-free brakes provide the same
amount of stopping power throughout the race. Precision ground brake
discs ensure smooth, pulse-free operation.
• 17mm hex Hubs - Strong 17mm hex hubs have been race-tested for over a
decade on competition buggies, making them ideal for use on the ST-R.
Also, most 1/8 buggy racers already have 17mm wrenches in their
toolboxes, making this the most logical and economic choice of hub size.
• 150cc fuel tank - The big engines commonly used in unlimited truck
racing burn a little more fuel than a buggy engine, so the ST-R will
come equipped with a race-legal 150cc fuel tank to feed even the
thirstiest big blocks. The high-quality fuel tank features high
attention to detail, ensuring that quick fuel stops are possible while
keeping a reliable seal to ensure consistent engine performance.
• Lightweight, hard-anodized main chassis plate - The standard chassis
plate is constructed of premium-grade 7075 T6 aluminum and coated with
the highest-quality hard anodizing available. The quality of the
anodizing makes the chassis tougher and more resistant to wear.
• Full-size rear wing - The standard body for the Inferno 777 ST-R is
wider than most, which allows the use of a full-width rear wing
according to racing rules for this class of truck. The wider wing
provides increased stability, especially over larger jumps where there's
more air time.
• Premium materials used throughout - Like all other Kyosho racing
vehicles, the ST-R features components made from refined materials that
offer the best balance of strength, performance and durability. This
isn't something you can measure or see, it's something you experience
over time. It's been a trademark of Kyosho competition vehicles and it's
what separates them from the rest of the pack. It's no accident that
Kyosho dominates the world or nitro racing - its success by superior
design. |
Specifications
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Length: |
348mm to 353mm |
Width: |
415mm |
Chassis: |
3mm Milled 7075 Aluminum (Hard Anodized)
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Differentials: |
6 gear sealed with spiral bevel ring and
pinion |
Differential Ratio: |
4.3:1 |
Spur Gear: |
Steel 50 tooth |
Clutch: |
3 shoe aluminum w/1mm scissor springs
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Clutch Bell: |
Hardened 13T |
Drive Shafts: |
Universals front and rear |
Wheel Hubs: |
17mm |
Brakes: |
Dual disc with bonded semi-metallic pads |
Shock Towers: |
5.5mm milled billet aluminum (7075)
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Shocks: |
Precision machined aluminum with 3.5mm
shafts |
Fuel Tank: |
150cc |
Bearings: |
Precision metal shielded |
Motor and radio system not included. |
Features hard-type tie-roads and steering rods
with adjustable length. Also features newly designed upper arms and steering
ball ends
Lightweight and high rigidity special main
chassis plate achieves its strength and precision form due to complicated Fraise
cutting process and hard anodized finishing.
Designed around the core of the Inferno MP777,
the specially designed parts produce a long wheelbase and wide tread on a newly
developed shaft-driven fulltime 4WD chassis.
Newly developed 10-spoke wheels are held rigidly
in place on the MP777 specification wheel hubs.
150cc fuel tank meets American TRUGGY racing
regulations.
Specially designed shock stays made from 5mm
thick machine cut 7075-grade aluminum on both front and rear.
Universal swing-type axles support all four
wheels and result in increased efficiency and reliability (shafts cannot fall
out).
Universal swing shafts are used on the front and
rear center drive shafts.
SP torque rods are included as standard on front
and rear and produce added rigidity from front to rear. The KYOSHO logo is your
proof and guarantee of high performance.
To order
31352B Inferno 777 ST-R
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