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Old 12-30-2003, 01:28 PM   #1
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Default NEW competition Novarossi .12 longstroke

Novarossi long-stroke RR12L engine




News of a new Novarossi RR12L long-stroke competition .12 engine is beginning to surface. The new RR12L will be available in legal 3-port trim for sanctioned racing in the US and abroad, and it will also be available in a 5-port turbo configuration for outlaw classes and non-sanctioned racing.

The new RR12L features a bore of 13.7mm and a longer stroke of 14.25mm. The current NS12 engines have a 13.8mm bore and a 14.0mm stroke. Difference may not appear to be much, but relative to the engine size, it's a significant change.

The longer stroke will give the RR12 more bottom end punch, which will be ideal for 200mm touring cars.


Specs

legal 3-port
Bore: 13.7mm
Stroke: 14.25mm
Ports: 3 or 5
Glowplug: Standard plug for 3-port
Crank diameter: 11.5mm
Claimed bhp: 1.52 (3-port)

illegal 5-port
CAPACITY 2.1 c.c.
POWER 1.6 H.P.
RPM 43.500
STROKE 14.25m/m
BORE 13.70m/m
PORTS 5
SHAFT 11.5 mm
HEAD Turbo

(Runs around $160)
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Old 12-30-2003, 01:33 PM   #2
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By the way, this info is via Steve Pond, Administrator of radiocontrolzone forums...
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Old 12-30-2003, 02:13 PM   #3
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Hey Buddy, this is oooold news.

These engines have been available for a couple of month now


http://rc-mushroom.com/product_info....roducts_id=994
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Old 12-30-2003, 02:27 PM   #4
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so is the bore smaller than an mt12 or ns12 because i wanted
to put that sleeve as a replacement for my mt if possible.
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Old 12-30-2003, 03:13 PM   #5
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Quote:
Originally posted by jwf_frani
so is the bore smaller than an mt12 or ns12 because i wanted
to put that sleeve as a replacement for my mt if possible.
Hey Francis, do you realy have to buy from ....? I get you one from out of the list!
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Old 12-30-2003, 03:21 PM   #6
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thanks i would appreciate it alot
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Old 12-30-2003, 03:31 PM   #7
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Quote:
Originally posted by jwf_frani
thanks i would appreciate it alot
Give me call please, you know the #.
I will be tomorow at CP after 3 PM ( most likely).
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Old 12-30-2003, 06:55 PM   #8
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hey edward, what am I missing here????

need4speed4 - $160 , so cheap where?
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Old 12-30-2003, 07:44 PM   #9
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Quote:
Originally posted by kitracer
hey edward, what am I missing here????

need4speed4 - $160 , so cheap where?
i need one of those $160 RR12 motor too !
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Old 12-30-2003, 08:53 PM   #10
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I take 4 at that price....
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Old 12-31-2003, 12:08 AM   #11
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I think JP is releasing Mod version on this engine...
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Old 12-31-2003, 07:28 AM   #12
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Default RR12L3

I have a modified RR12L3. It's a good engine. Has anyone noticed that the piston sleeve fit is not as tight as the NS12, once the engine is broken in.
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Old 12-31-2003, 09:40 AM   #13
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Default Re: RR12L3

Quote:
Originally posted by Grinder
I have a modified RR12L3. It's a good engine. Has anyone noticed that the piston sleeve fit is not as tight as the NS12, once the engine is broken in.
Hey Grinder.
P/S set isn't tight from the beggining or after brack in? I haven't seen one yet.
Do you know what is the tapering there ( on sleeve and piston)?
Thanks.
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Old 12-31-2003, 02:23 PM   #14
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Default Re: RR12L3

Quote:
Originally posted by Grinder
I have a modified RR12L3. It's a good engine. Has anyone noticed that the piston sleeve fit is not as tight as the NS12, once the engine is broken in.
Hey Grinder

How do you compare it performance wise against a NSR12S3, or to a Sirio Evo2?????

Happy New Year

AFM
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Old 12-31-2003, 05:14 PM   #15
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Default Re: Re: RR12L3

Quote:
Originally posted by afm
Hey Grinder

How do you compare it performance wise against a NSR12S3, or to a Sirio Evo2?????

Happy New Year

AFM
I used the engine at Full Throttle speedway which has a huge straight. The engine is very strong, but I think I need more time with it before I make a decision which I like better. I ended up using the NS12 because it revs higher than the RR. The engine has a similar powerband to the Sirio EVOII. I will try the engine on a medium size track and give a report soon.
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