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Old 10-03-2011, 01:59 PM   #1
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hi im new to the world of RC and have just got this car second hand from my LHS the engine was just broke in when i got it Well so ive been told, i have no books for the car or the engine the engine says its a novarossie sx 12 2.1 but i dont know what the car is so here is a few pics if anyone can help it wold be great, the fella in the shop said its a mugent and the other one said its a serpent 835 so feel free to take a quess again any help wld be great
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Old 10-03-2011, 02:06 PM   #2
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Serpent Impulse
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Old 10-03-2011, 03:25 PM   #3
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I would say a Serpent 705
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Old 10-03-2011, 03:31 PM   #4
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thanks very much for the replys its been doing my headin lol so its a serpent i can look at both and get the manual on them so onto the engine all i can see on the engine is nava sx12 2.1 and ive been on the website looking for the base settings and im a bit confused on the carb there is the HEN then below that there is a gold screw which i was told is the LEN but on the website it says that the LEN is on the rubber were the rod from the servo connects so what are the 3 screws for and which do i need to set for the base settings so i can run the engine as break just to be safe Thanks again for your replys
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Old 10-03-2011, 04:17 PM   #5
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Serpent Impulse with a few good hop-ups.

The big brass screw opposite the rubber bellows is the spray bar, sometimes called a midrange screw. It is generally best not to adjust it. Just set it flush and leave it alone.
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Old 10-04-2011, 02:34 AM   #6
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thanks for all your help lads now i can try and get it started and set right it did start then hit real hig rpm and cutout so now i know what all the screws are i can set it to base and start from there thanks again and if i need a little help i will be sure to ask atleast i know whati have now
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Old 10-04-2011, 02:28 PM   #7
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well got it started 2day ran for about half a tank good stream of smoke not boging or revving to high ran smooth though the speed then it cut out and took 30/40 min to start again then ran for the same amount of time and done the same what do yous think could be the problem

the way i have the screws is
HSN 1mm under flush
LSN 1mm over flush
mid range flush (as advised)

im useing 20% nitro
and a num 8 standard plug
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Old 10-04-2011, 02:48 PM   #8
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Check the Novarossi website for some advice on factory settings...

http://www.novarossi.it/eng/support/faq/

They are recommending 5 turns from closed on the high speed needle, and 2.5 turns from closed on the low speed needle as a good starting point. If the engine stops running after a few minutes, it's probably running a bit lean, causing the engine to overheat and shut down.
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Last edited by oeoeo327; 10-04-2011 at 06:00 PM.
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Old 10-04-2011, 03:01 PM   #9
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thanks for the link its going to take some gettin used to this rc and engine tuning lol but im sure it will be worth it
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