Contributed by: Matt Gunn | Published: July 2007 | Views: 107889 | Email this Article
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Tower Hobbies' Tower Terror .25 Nitro 4WD RTR
Review
by: Matt Gunn Photography by: Brad Kaye |
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Tower Terror
Distributed exclusively by:
Tower Hobbies
PO Box 9078
Champaign, IL 61826-9078
Support Phone:
800-637-6050
Website: www.towerhobbies.com
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RTR
Powerful .25 big block
Entry level price
Twin plate
chassis
Large fuel tank
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No
tire foam included
Throttle and steering servos weak and prone to failure
Suspension sprung a bit light
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| A 1/10th scale monster truck with 1/8th scale DNA. This is
how Tower Hobbies describes the Tower Terror .25 4wd RTR, and
after a few trips to the local bashing spot with this big-block
powered monster truck, I whole heartingly agree! The Tower Terror
is packed full of features usually reserved for bigger, more expensive
trucks. Giant wheels and tires, a rigid twin plate chassis, and
a 170cc fuel tank all play their seperate roles in helping the
.25 big block put the power to the ground. Couple that with Tower
Hobbies' exceptional customer support and a warranty that most
other trucks can only dream about and you have a truck that attracts
everyone from rc first-timers to those ready to make the switch
to nitro-power.
In this review I will explain to you where the truck excelled
the most and where it fell short. The Tower Terror was tested
at bash spots and the local track. Only after a thorough break-in
and prepping did I take it out for testing. Now, let's take a
look at what makes the Tower Terror sing! |
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Name:
Tower Hobbies Tower Terror
Price: $299.99 retail price
Length: 17.9""
Width: 14.8"
Wheelbase: 11.4"
Dry Weight: 8 lb
Engine: .25 ABC BB with pullstart
Receiver battery used: Reedy 6v, 1100mah hump pack
Radio equipment: (Included) 2XT 2 Channel AM Radio, receiver,
throttle servo, steering servo

- Air
Filter Oil
-
Fuel
Bottle
-
Glow
Igniter
-
Phillips Screwdriver
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12
AA Batteries
-
Fuel
(15%-20%)
Other
Helpful Items
- Temperature
Gauge
- Threadlock
Formula
- After
Run Oil
- Fail
Safe Unit
- Rechargable
Battery Pack (Receiver)
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| Left
front |
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| Front |
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| Left
rear |
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| Top
Down |
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| Front |
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| Undercarriage |
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| When I received the Tower Terror, I assumed I
would open the box and find an almost ready-to-run truck, wheels
and radio on one side of the box and a truck on the other. This
assumption couldnt be farther from the truth; the Terror is completely
ready-to-run. All that needs to be done is to oil the air filter
and install the batteries...a feature that will score well with
anyone who just cant wait to break-in their new monster truck.
Tower Hobbies has provided a great looking body to complement
the Tower Terror. The colors are bright and the graphics look
really cool. Also included is a generous sticker sheet with more
Tower Hobbies logos than you'll know what to do with! My only
suggestion, which is outlined in the manual, is to cut some airflow
holes in the front and rear of the cab before you tear up your
neighbor's lawn. It also doesnt hurt to trim the body near the
heatsink to access the pull-start. Removing the body everytime
you want to run gets old really quickly.
With the body removed, you begin to wonder what Tower Hobbies
was thinking when they created this over powered four-wheel drive
cruise missile! My first thought was, "This engine is way
too big for this truck..." and that's a good thing! When
you are running at half-throttle and gas it, the motor explodes
with enough power to throw the front end skyward; the secondary
reaction is an instant smile. The engine fits snugly between the
super strong chassis plates with the high-speed needle exposed
for easy tuning. The low-speed needle is hidden behind the tuned
pipe which must be pushed up a little to access it. If you look
long enough at the engine, your eyes will eventually fix themselves
on a mysterious third needle. For those in the know, this is the
mid-range needle. First timers and less experienced nitro enthusiasts
could mistake this for the low-speed needle and to further confuse
you, there is no information in the manual about it. I found only
one sentence on Tower Hobbies' website that referenced the mid-range
needle, and they suggest you turn the needle so it is flush with
the body. Viewing the rest of the engine and it's components,
you will see the fuel lines are routed well to prevent any damage
and the air cleaner is of standard design. I suggest running a
prefilter to reduce engine contamination. |
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| Engine/header |
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| Engine
and air-cleaner |
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| Engine
and pipe |
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| The .25 engine drinks alot of
fuel and Tower Hobbies has graced the truck with a hefty 170cc
fuel tank. With run times exceeding twelve minutes, theres plenty
of time to explore your local bashing spot. The tank is held in
place by two body pins. Over the course of testing the Tower Terror,
I had no problems with the hinged fuel cap, debris entering in
the tank, or any fuel delivery issues from the tank.
Power is transferred from the motor to the wheels through a single
speed transmission. A single driveshaft runs from the front differential,
through the spur gear, to the rear differential. Again, no problems
were experienced with the transmission or differentials during
the review but I am concerned about the exposed spur gear. It
is sandwiched between the transmission case halves and exposed
on the bottom. A few centimeters of frame are all that protects
it from the ground and Im afraid a hard impact with a stone could
damage it but this has yet to mainfest itself as a real problem.
The clutch is a 3-shoe design and engaged predictibly every time.
There is no slipper clutch on the Tower Terror so care needs to
be taken to avoid power-on landings when possible. The dual disc
brake proved itself worthy of stopping the Tower Terror in a hurry
and endos can happen if proportional breaking is not practiced.
In other words, try not to jam the breaks at full throttle! They
are setup just right from the factory and I experienced no break
fade after heavy use.
Right from the start, I noticed the truck was sprung a bit on
the light side. There's just too much mass for the annodized aluminum
shocks to handle over rough terrain at high speeds. The included
shock spacers help a bit but a little work is needed to fine tune
them. I suggest either using a thicker shock oil, anything above
40wt, or replacing the shock springs with heavier ones. For a
newcomer to the hobby, this should not present itself as a problem
as the truck does have adequate damping in but if you operate
your rc vehicles on the edge, you will notice that it bottoms
out quite a bit. The 19mm hex mounts seemed strong yet limit the
truck in wheel selection, but 23mm hex conversions are available
should you want to add aftermarked wheels. During the review,
I had no problems with the hubs, a-arms, turnbuckles, or hexes
as they withstood repeated hits and off-camber landings.. |
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| Large
170cc fuel tank |
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| Shocks
and front bumper |
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| Front
hub |
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A 10th scale truck with a 1/8th scale engine requires
a special piece of equipment to remain user friendly; a wheelie
bar! Not just any wheelie bar will do, a heavy duty composite
bar is needed here. The Tower Terror spends just as much time
on two wheels as it does on all four and it should be noted that
endless wheel stands are part of the Terror's daily routine. The
bar is adjustable but seemed just right at it's factory setting.
Here's a bonus; it also doubles as a carrying handle!
The 2 channel AM transmitter and receiver operated smoothly.
I drove the truck as far away as I felt was needed without loosing
control. The transmitter felt comfortable in my hands and the
trim knobs were easily accessible while operating the truck. The
electronics compartment is composed of two sections that share
a single lid. The lid is held in place with two body pins. The
servos, on the other hand, performed poorly. They are weak and
failed to even operate at an acceptable level before the break-in
was complete. This is detailed in the driving section below.
One more thing worthy of noting before we prepare the truck for
it's first run is that the Tower Terror does not include tire
foam. I have seen complaints circulating around the internet about
Tower Hobbies reluctance to include foam in their tires and frankly,
I dont see it being a big issue on the Terror. I made the assumption
that tire foam is a necessity on any high performance r/c vehicle
but after reviewing the Terror, I could barely tell a difference.
The lack of foam gives the truck a more plush ride over bumpy
terrain by allowing the tire to flex more and seems to keep the
center of gravity lower, reducing the tendancy to flip over in
turns. For high speed running over rough terrain, having tire
foam would have definately helped. I did not get a chance to test
the truck with foam but if it seems to be what the people want,
maybe Tower Hobbies should take note. |
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2XT 2 Channel AM Radio |
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| Wheelie
bar |
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| Included
wrench |
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| To prepare the truck for break-in,
I oiled the filter and installed the batteries into the transmitter
and receiver. The antenna needed to be threaded through the tube
so I placed a small drop of household oil on the end of the tube
and slid it through. This makes the job so much easier as it would
not go through without being lubed.
The needles were set to the recommended break-in settings and
the mid-range needle was turned so it was flush with the outside
of the body. With the body off, I double checked all the servo
throws and checked the gear mesh on the pinion and spur. I pulled
the glow plug and marked bottom-dead-center on the flywheel with
a marker. A quick visual inspection deemed the Tower Terror ready
for break-in and I was off to the testing grounds. |
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After filling the tank with 20% fuel, I primed the engine by
placing my finger over the outlet on the pipe and pulled the starter
a few times. I attached the glow igniter and a few pulls brought
the engine to life. The recommended needle settings were right
on as the engine sputtered and smoked at idle. After a few tanks
worth of figure eights and low speed passes, I began to notice
a problem. While turning, the throttle servo would not operate
until the turn was completed. Also, when applying brake or gas,
the steering servo would not operate until the throttle/brake
released. I replaced the receiver batteries but the problem persisted.
Were four AA batteries supplying enough power to operate the servos?
A 5-cell hump pack was installed and, even though the problem
was lessened to an extent, the Terror was still having operational
issues with the servos. After a quick call to Tower Hobbies customer
support, two new high-torque Futaba servos were on their way.
Installing the new high-torque servos completely solved the problem.
The stock servos are just too weak to operate the truck especially
with four AA batteries. The use of a rechargable hump pack is
almost mandatory. I have heard of some people not having any problems
with their servos. Was a bad batch of servos being sent out with
the truck?
Breaking-in the truck was painless and Tower Hobbies has included
a detailed break-in procedure to follow. Theres also a section
on engine maintainence and a troubleshooting flow chart to handle
any issues that may arise. Tuning the engine for power proved
a simple task as well, with the engine making optimum power, idling
well, and producing a good smoke trail.
After the break-in was completed and I had tuned the engine for
power, it was time to really see what the Tower Terror was made
of. The power-to-weight ratio of this truck is phenominal, acceleration
is out of control fast and top speed is impressive for a single-speed.
Run the Tower Terror at any speed aside from wide open and pull
the trigger and you can expect an instant burst of acceleration
followed by an impressive wheel stand. With the suspension being
a bit soft, the truck can easily get out of control during hard
acceleration off road. I found myself rolling into the throttle
in the loose stuff to maintain directional control. On the pavement,
expect to wheelie until you let off the gas.
The Tower Terror performed well in a bashing setting, but soon
it was time to take it to the track. Chris Gleason of Loganville
R/C Speedway in Loganville, Ga was kind enough to let me use the
track for the review. I warmed the Tower Terror up for a few laps
and then pushed it as hard as I could. What really surprised me
was how the suspension soaked up the bumps across the moguls section.
The Terror took every double the track had but I had a little
trouble maintaining control on the back straight, once the rear
end started moving side to side, I had to roll off the gas. Overall,
it handled fairly well on the track even though it is more of
a basher.
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| What
Tower Hobbies has created with the Tower Terror is a fully ready-to-run
1/10th scale monster truck with the heart of a 1/8th scale. The
.25 ABC engine provides more than enough power to rocket the truck
up to top speed and the acceleration is incredible. The one major
flaw that the Tower Terror has to live with is the stock servos;
if they fail, your done for the day. None of the other issues
mentioned in the review will leave you sidelined but rather boil
down to one's person taste, some like soft suspension, others
like a more stiff ride. The good thing about the Tower Terror
is that it can be tuned to suit your individual needs. Plus, for
a price tag of under $300 dollars, you get a ready-to-shred truck
that will hang with the big boys all day. I would recommend it
to the person looking for a great performing truck at an entry-level
price. |
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Tower
Terror .25 4wd RTR
Distributed exclusively by:
Tower Hobbies
PO Box 9078
Champaign, IL 61826-9078
Support Phone: 800-637-6050
Website: www.towerhobbies.com
Loganville
R/C Speedway
1441 Highway 81
Loganville, GA 30052
Web Site: www.loganvillerc.com
Special
thanks to my friend Brad Kaye for the great photography in my
reviews!
Brad
Kaye Photography
Web site: www.bradkayephotography.com
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The comments, observations and conclusions made in this review are solely with respect to the particular item the editor reviewed and may not apply generally to similar products by the manufacturer. We cannot be responsible for any manufacturer defects in workmanship or other deficiencies in products like the one featured in the review. |
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