R/C Tech Forums

R/C Tech Forums (https://www.rctech.net/forum/)
-   Offroad Nitro Engine Forum (https://www.rctech.net/forum/offroad-nitro-engine-forum-157/)
-   -   Ninja Engine by GRP (https://www.rctech.net/forum/offroad-nitro-engine-forum/95814-ninja-engine-grp.html)

_cyclops_ 01-03-2006 09:23 AM


Originally Posted by afm
INTERESTING DETAIL

Conrod: It is produced with a special advanced technological material, which has allowed the exclusion of any bushings. This gives a greater lightness, leading to a higher acceleration and rotational rate. Moreover, this material has a specific heat resistance at high temperatures of use guaranteeing a minimal deformation.
AFM

i've seen more details that are interesting. What i'm wondering is, how come these new techniek is out 'now' and other manufactures are not using it? Will it be as good as they say? Or are the current manufactureres unable to create such materials?

Corse-R 01-03-2006 11:30 AM

Interesting details.
 
I'm the only one who has done their own investigations and compared it against all other 7 port Novas and other Nova based mills?

Bore/Stroke.
Ninja: 16.27/16.79
Nova RX221: 16.26/16.80
Nova PLUS 21-3C: 16.26/16.80
RB C5: 16.22/16.80

INSANE redline.... 48k rpms! :eek: :eek:

BTW: Asked the price and seems slightly cheaper than Nova mills. Uses the small crank (14mm). I was thinking on giving retirement for mine RX21's and planning to get one, just for testing.

mgtman 01-03-2006 02:23 PM

any one got a price on them yet they look preety good ,shoot maybe ill grab it as a spare for the rb .where are they available anyone got any links

_cyclops_ 01-03-2006 02:52 PM

THe outside looks great, but no pics on the inside yet... let's see what that brings....

Xyvern 01-03-2006 10:17 PM

Is this a Nova Rossi based engine :confused:

Scott Fisher 01-03-2006 11:12 PM

This engine is built by GRP. I do not believe Novarossi has anything to do with this engine.

rc_alan 01-04-2006 01:19 AM


Originally Posted by Xyvern
Is this a Nova Rossi based engine :confused:

http://www.ninja-engine.com/content/home.php?lang=0


RC_Alan

EdwardN 01-04-2006 06:29 AM

Very nice looking motors and Mario Rossi known to be one of the best nitro engines designer in the world.
As motor it self-pretty short strok motor. It should be very high RPM motor ( I am beliving in 45K out of that motors), just one thing I don't personaly understand for 12 MR T01-with parameters stated in their web site strok 13.79 and bore 14.02 the size of the motor come up to 2.13 cc or .13 ci which is over then allowed for IFMAR, ROAR or EFRA rulls for sedan. It ether wrong numbers on their web site or something else, but defenetly doesn't fit to existing rulls (2.11 cc or .12 ci)
here is web link to calculate timing and volums for references http://www.palmarisracing.com/Timing_Calculator.htm

Edward

SalvadoriRacing 01-04-2006 06:37 AM

I also noticed that........

maybe bore stroke were confused...........the .21 engiens are the sameb bore and stroke as Novarossi ones.............perhaps the .12 engine is the same as well (stroke 14mm and bore 13.8...................or 14.02 and 13.79 just to be different :p )................

rafito 01-05-2006 10:29 AM

I am not sure what you guys are looking at but the novarossi .12 has a 13.8 bore which is bigger and a 14.04 stroke which is also bigger and that motor still falls under the engine guidelines..HHHUUUUUMMM........ :weird: :weird: :weird:

If you dont believe me than check out this website: http://www.novarossi.com/eng/motori/ns12s3.htm

How can a motor with a smaller stroke and a smaller bore be bigger.... Just a thought................ :eek: :eek: :eek: :eek: :eek: :eek: :eek:

You guys are using the palmaris calc wrong .... Punch in the a stroke of 14.02 and a piston bore of 13.79...... It is all legal :weird: :weird:


I know for a fact that web guys sometimes input the wrong info... I would imagine that the motor is more likely to be legal than not....

Pro Models 01-05-2006 10:44 AM

I was told that the top of the line .21 on-raod engine would retail at around the 400 euro mark.... wicked price if that is so :nod:

EdwardN 01-05-2006 11:32 AM

.

SalvadoriRacing 01-05-2006 11:34 AM


Originally Posted by rafito
I am not sure what you guys are looking at but the novarossi .12 has a 13.8 bore which is bigger and a 14.04 stroke which is also bigger and that motor still falls under the engine guidelines..HHHUUUUUMMM........ :weird: :weird: :weird:

If you dont believe me than check out this website: http://www.novarossi.com/eng/motori/ns12s3.htm

How can a motor with a smaller stroke and a smaller bore be bigger.... Just a thought................ :eek: :eek: :eek: :eek: :eek: :eek: :eek:

You guys are using the palmaris calc wrong .... Punch in the a stroke of 14.02 and a piston bore of 13.79...... It is all legal :weird: :weird:


I know for a fact that web guys sometimes input the wrong info... I would imagine that the motor is more likely to be legal than not....

i didn't use the palmaris website cal.............anyway it works..........

just check the info on ninja engine website and do the maths.........

stroke>>> 13.78
bore>>>>14.02

capacity = pi*(14.02)²/4 * 13.78


=>capacity = 0.1298 cubic inch............

n.e.r.d 01-05-2006 12:03 PM

anyone got any pics of the internals yet? piston/liner, crankshaft?
found out from my LHS that the ninja engines won't be coming out with modded versions.
so i guess the stock ones might (or might not) be mildly modified from the factory?

hi scott,
wat's the word on the expected release date?
have you seen the engine yet?
or better still, tried it out?

Dreddlox 01-05-2006 02:56 PM

They are expected to be in stores early February, but we'll see. :rolleyes:


All times are GMT -7. It is currently 04:28 AM.

Powered By: vBulletin v3.9.3.9 Patch Level 3
Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.