RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR  
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RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/19/2006 5:18:18 AM   
dracy69



Posts: 946
Joined: 7/18/2004
From: Port Jefferson Station, NY, USA
Status: offline 		is that like a mid setting?

(in reply to nplaisance)
       Post #: 126

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/19/2006 11:45:23 AM   
nplaisance


 

Posts: 3
Joined: 12/19/2006
From: , LA, USA
Status: offline 		I'm thinking that it is. If it's not open enough, it could be restricting fuel from the hsn at higher rpm's. It's at least worth a check.

(in reply to dracy69)
       Post #: 127

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/19/2006 6:15:21 PM   
chriswebb70


 

Posts: 349
Joined: 6/26/2006
From: Lakewood, CO, USA
Status: offline 		Well, the engine is off to Hobby Services. Hopefully, they can fix whatever problem it had.
Now, to wait for a few days..................

(in reply to nplaisance)
       Post #: 128

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/20/2006 7:12:50 PM   
REVO_RACER



Posts: 1074
Joined: 10/20/2005
From: New Britain, CT, USA
Status: offline 		IDK BUT DID U TRY A NEW GLOW PLUG (MOST LIKLY NOT THE PROBLEM BUT IT COULD BE CRAPED AND STARTED TO DO THIS PROBLEM


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(='.'=) This is Bunny.PLEASE KILL HIM

(in reply to chriswebb70)
       Post #: 129

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/20/2006 9:33:18 PM   
chriswebb70


 

Posts: 349
Joined: 6/26/2006
From: Lakewood, CO, USA
Status: offline 		Yes, I tried everything....including a new glow plug. Glow plug was brand new and glow starter was fully charged. Same problem = dies under throttle.
I'm thinking maybe there was something wrong with the carburator. Maybe one of those little o-rings on the needles....maybe they went bad. Or, maybe whoever the genuis is who built my truck screwed up the needles so badly I couldn't get them right. Considering the way my truck was built, it wouldn't surprise me.
Anyway, Hobby Services should get my engine in a day or two. I hope they can diagnose and fix whatever it is.
There's a HUGE snowstorm here right now, so even if my engine was running, I couldn't go out to drive.

(in reply to REVO_RACER)
       Post #: 130

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/20/2006 9:42:03 PM   
trevbart


 

Posts: 8
Joined: 9/26/2003
From: Chiang Mai, THAILAND
Status: offline 		This .25 engine looks identical to the .21 Vertex found on the Redcat 1/8th buggy. I had identical tuning problems...

Then I discovered my 21 engine came with a split o-ring on the midrange adjustment (the smaller inner o-ring) . Replacing this cured all the problems.

Anyone know the bore and stroke of this engine? I'm wondering if the piston and sleeve will fit the Vertex 21...


(in reply to dracy69)
       Post #: 131

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/21/2006 12:07:31 AM   
chriswebb70


 

Posts: 349
Joined: 6/26/2006
From: Lakewood, CO, USA
Status: offline 		Found the specs for the Vertex .21 engine on E-Bay:


Horse Power
2.1ps / 30,000r.p.m.

Port
3

Displacement
3.46 cc

Bore / mm
16.6

Stroke / mm
16

Practical r.p.m. Range
3,000 ~ 35,000

Weight / g
390

Exhaust
Rear

Carburetor
Slide

Pull Stater
Yes

Link is here:
http://cgi.ebay.com/Vertex-21-3-5cc-Pull-Start-Engine-Novarossi_W0QQitemZ6057297109QQihZ009QQcategoryZ34062QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

(in reply to trevbart)
       Post #: 132

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/21/2006 1:16:25 AM   
89ram


 

Posts: 2603
Joined: 1/10/2006
From: blue rapids, KS, USA
Status: offline 		may be a bit late, but did you seal the motor? ie, carb base, back plate, etc? trevbarts split o-ring sounds like a good thing to check out. so has anybody got enough time on one of these trucks to see if they hold up to some abuse? i started out with warheads, but have since switched to revos[which i love]. but i have some friends that could afford one of these terrors.

_____________________________

big block revo basher............. got nitro?

(in reply to chriswebb70)
       Post #: 133

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/21/2006 1:24:34 AM   
chriswebb70


 

Posts: 349
Joined: 6/26/2006
From: Lakewood, CO, USA
Status: offline 		No, I didn't think about sealing the engine. I guess I should've tried it, huh?
A few years ago, I owned an HPI RS4 Racer, with the OS .12 CV engine. I sealed the engine, and the thing worked great. It flew !!
We'll see what the diagnosis is when I get the engine back in a few days. A big snowstorm is over Denver, so it's not like I can drive right now anyway.

As for this truck holding up to abuse, I'm not too sure yet. The truck has a 90 day warranty on it, so I guess if you break anything, it can be replaced.
There is no slipper on the drive train, so it might take some abuse when landing from a jump. I'm impressed with the shocks. Lots of travel, and consistent throughout.

If anyone needs pictures of the Tower Terror MT, let me know. I'll be glad to post.

(in reply to 89ram)
       Post #: 134

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/21/2006 3:52:19 AM   
89ram


 

Posts: 2603
Joined: 1/10/2006
From: blue rapids, KS, USA
Status: offline 		pics are cool

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big block revo basher............. got nitro?

(in reply to chriswebb70)
       Post #: 135

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/21/2006 4:09:25 AM   
chriswebb70


 

Posts: 349
Joined: 6/26/2006
From: Lakewood, CO, USA
Status: offline 		Here are some picks of my Tower Terror MT (before the engine was shipped off)

Attachments
Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize

(in reply to 89ram)
       Post #: 136

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/21/2006 4:17:06 AM   
89ram


 

Posts: 2603
Joined: 1/10/2006
From: blue rapids, KS, USA
Status: offline 		they look pretty good, i'm curious to see how they'll hold up to some rough stuff!

_____________________________

big block revo basher............. got nitro?

(in reply to chriswebb70)
       Post #: 137

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/21/2006 5:17:07 AM   
chriswebb70


 

Posts: 349
Joined: 6/26/2006
From: Lakewood, CO, USA
Status: offline 		So am I.
Once I get my engine back, and some of this snow melts, IT'S ON !!!

(in reply to 89ram)
       Post #: 138

RE: Tower Hobbies Nitro TOWER Terror MT .25 RTR - 12/21/2006 3:21:42 PM   
turbojimmy


 

Posts: 239
Joined: 12/21/2006
From: Ledgewood, NJ, USA
Status: offline 		Hello! I just received my Tower Terror and plan to break it in this weekend (weather permitting). It's my first R/C car/truck. I've been goofing around with electric boats for a while, but really just to amuse my kids. This is my first nitro a