R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Nitro On-Road > Onroad Nitro Engine Zone

Reply
 
Thread Tools Search this Thread
Old 02-26-2004, 11:38 PM   #46
Tech Fanatic
 
BaxterC's Avatar
 
Join Date: Feb 2004
Location: Johannesburg, South Africa
Posts: 801
Default

Lovely, I am glad the Pixy is quick, thank you for the feedback.
How does the motor run, IE. Idling, tuning, falt out on a track for 20 minutes, longevity (claims are that break-in can take up to a gallon of fuel?). I would love to know all I can about this baby before I buy one.
BaxterC is offline   Reply With Quote
Old 02-27-2004, 05:56 AM   #47
Tech Regular
 
Aggdaddy's Avatar
 
Join Date: Jun 2003
Location: Houston, Texas
Posts: 364
Default

My Pixi is pretty nice. Really fast and I'm keeping temps under 210.

You should get it. Just take your time in tuning it.
Aggdaddy is offline   Reply With Quote
Old 02-27-2004, 08:15 AM   #48
Tech Fanatic
 
BaxterC's Avatar
 
Join Date: Feb 2004
Location: Johannesburg, South Africa
Posts: 801
Default

Lovely, thank you. I know towerhobbies has it at under $200 which is sweet. What nitro content do you run in your Rossi?
BaxterC is offline   Reply With Quote
Old 02-27-2004, 12:27 PM   #49
Tech Regular
 
Aggdaddy's Avatar
 
Join Date: Jun 2003
Location: Houston, Texas
Posts: 364
Default

I am using 20% Maxi with the turbo plug O.S. p8 and shim has been removed with Team Orion one piece tuned pipe equals super fast G4!!



Aggdaddy is offline   Reply With Quote
Old 02-27-2004, 12:38 PM   #50
Tech Master
 
JJ187RC's Avatar
 
Join Date: May 2002
Location: Keller, TX.
Posts: 1,607
Trader Rating: 7 (100%+)
Default

I am running the Pixy Black Chrome head that has been modded by Murnan. This thing is unbeleivable. It is not even broken in yet and I have not really gotten it hotter than about 220 degrees and it just out right flys. It has great bottom end as well as top end. I also had a non modded version and I was very impressed. I am also running 30% nitro and have not had any toruble out of either of my engines.
JJ187RC is offline   Reply With Quote
Old 03-02-2004, 06:26 AM   #51
Tech Adept
 
Join Date: Oct 2003
Location: australia... where koalas live on your roof
Posts: 126
Send a message via ICQ to noobatron
Default

Quote:
Originally posted by JJ187RC
I am running the Pixy Black Chrome head that has been modded by Murnan. This thing is unbeleivable. It is not even broken in yet and I have not really gotten it hotter than about 220 degrees and it just out right flys. It has great bottom end as well as top end. I also had a non modded version and I was very impressed. I am also running 30% nitro and have not had any toruble out of either of my engines.
Hi,

With regards to your Murnan modded engine. What is the engine configuration you are running now (button type and number, glow plug, nitro content, pipe etc). I'm having a lil trouble with mine atm. It's not going as hard as i was hoping (compaired to my NS12S3)

I'm using a turbo head (no 2) on 16% nitro (12%oil) and a number 7 OS plug. I have abit of a fuel problem but will change pressure line to see it it'll help. Any suggestions will be much appreciated.
noobatron is offline   Reply With Quote
Old 03-02-2004, 06:57 AM   #52
Tech Master
 
JJ187RC's Avatar
 
Join Date: May 2002
Location: Keller, TX.
Posts: 1,607
Trader Rating: 7 (100%+)
Default

I am running a non turbo button with 30% Rocket Science fuel and I am not sure what the break down is on the fuel. The plug is a OS 8 and I have not had any trouble out of it.
JJ187RC is offline   Reply With Quote
Old 03-02-2004, 10:55 PM   #53
Tech Fanatic
 
BaxterC's Avatar
 
Join Date: Feb 2004
Location: Johannesburg, South Africa
Posts: 801
Default

Hi Noobatron, Have you rebuilt the motor recently?
BaxterC is offline   Reply With Quote
Old 03-03-2004, 12:30 AM   #54
Tech Adept
 
Join Date: Oct 2003
Location: australia... where koalas live on your roof
Posts: 126
Send a message via ICQ to noobatron
Default

Quote:
Originally posted by BaxterC
Hi Noobatron, Have you rebuilt the motor recently?
Hi,

I havn't rebuilt it yet, just took it apart to clean it throughly. I'm in the stage of retuning it (i've never seen it run at 30% before) to 16% nitro and a turbo button. Currently, it's not going as hard as the others, needs more tuning i think.

would it be better to increase capacity (use a number 3 normal head button) and run higher nitro content (30%) than to run 16% on a turbo plug?
noobatron is offline   Reply With Quote
Old 03-03-2004, 10:58 PM   #55
Tech Fanatic
 
BaxterC's Avatar
 
Join Date: Feb 2004
Location: Johannesburg, South Africa
Posts: 801
Default

Hi Noobee, One thing to remember is that more nitro doesnt always create more power, it is just there to help with combustion (Read the fuels thread). If you have too much nitro, it can cause detonation, which will hinder performance, what you could try is a colder plug, and a shim, or go back you your 16%. This will also keep the motor cooler and les chance of detonation. Just remember to go easy on the motor when to change fuels for the first few tanks, DO NOT RUN IT HARD as soon as you change the fuel, remember that the engine needs to 'settle' with the new fuel first, you should do this even if you change fuel brands. Please let us know how it goes.
BaxterC is offline   Reply With Quote
Old 03-04-2004, 12:34 AM   #56
Tech Adept
 
Join Date: Oct 2003
Location: australia... where koalas live on your roof
Posts: 126
Send a message via ICQ to noobatron
Default

Quote:
Originally posted by BaxterC
Hi Noobee, One thing to remember is that more nitro doesnt always create more power ... let us know how it goes.
Thanx for the tip Baxterc. I'll be running it today with 16% and turbo button. It's tuning pretty well atm but it still doesn't have the kick like my NS3. I'll be changing the pressure line to a longer one cuz i seem to have a fuel problem =/

will let you guys know how it goes
noobatron is offline   Reply With Quote
Old 03-04-2004, 02:02 AM   #57
Tech Fanatic
 
BaxterC's Avatar
 
Join Date: Feb 2004
Location: Johannesburg, South Africa
Posts: 801
Default

When you say a fuel problem, is it too much, or too little? What pipe are you running, tou looking for top-end or bottom-end?
BaxterC is offline   Reply With Quote
Old 03-04-2004, 06:22 AM   #58
Tech Adept
 
Join Date: Oct 2003
Location: australia... where koalas live on your roof
Posts: 126
Send a message via ICQ to noobatron
Default

Quote:
Originally posted by BaxterC
When you say a fuel problem, is it too much, or too little? What pipe are you running, tou looking for top-end or bottom-end?

The motor will run fine but then seems like there's an air leak. I've checked throughly for leeks in both the fuel line, the tank and the carb but havn't found any so far. The pipe i'm using is the THS turbo outlaw pipe (direct mock up of the novarossi one, cna't remember the model though)

I'm looking for bottom-mid end punch as the track i race on is really tight. I'm gonna run it tomorow morning and let you guys know how it goes. Thanx heaps for the input, really appreciate it
noobatron is offline   Reply With Quote
Old 03-04-2004, 08:37 AM   #59
Tech Fanatic
 
BaxterC's Avatar
 
Join Date: Feb 2004
Location: Johannesburg, South Africa
Posts: 801
Default

Noob, try this, check the tank lid or the pipe between the pipe and the tank, also try to check that you dont have a blockage in the pipe nipple going to the fuel tank could be that, maybe the motor is struggle to get fuel and is going lean or is that not it? I am not 100% sure, but will help to check it, also a little tip, if you have a pipe that is two parts, put in a longer piece of silicon tube between the header and the pipe, this will give bottom-end, and shortening will give top-end, but TEST before you race, you dont want to over do it and find out on the track. this may your ticket to getting your motor to peak where you want it to. I am a bit confused with the symtoms you describes, my advice, recheck the WHOLE fuel system, have you got a fuel filter, if so, clean it, if not, check for tiny particles that could have caught in the carb inlet, or in the bottom of the tank (more likely as it runs ok for a bit) then theck from the pipe to the tank, all connected, no blockages, to leaks, then check the tank lid, make sure it seals properly. Please let me know. This is interesting...
BaxterC is offline   Reply With Quote
Old 03-06-2004, 02:38 AM   #60
Tech Master
 
ziggy12345's Avatar
 
Join Date: Jun 2003
Location: West Midlands, UK
Posts: 1,596
Default

Where can i get spares for my pixy black? its the 138 version. I need piston, liner, conrod and wristpin

Cheers
ziggy12345 is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
ROSSI ENGINES muggy69 R/C Items: For Sale/Trade 0 12-23-2007 07:14 AM
AXE ROSSI ENGINES??? EVIL-ET Onroad Nitro Engine Zone 15 12-13-2007 10:43 PM
ROSSI ENGINES muggy69 R/C Items: For Sale/Trade 15 10-31-2007 02:53 PM
Ninja Engines by GRP (M Rossi) Vinyard Singapore R/C Racers 68 04-21-2006 07:50 PM
Rossi LSK Engines, Thoughts? yamrace Electric Off-Road 2 04-04-2006 06:25 AM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 06:59 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net