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R/C Tech Forums (https://www.rctech.net/forum/)
-   Nitro On-Road (https://www.rctech.net/forum/nitro-road-3/)
-   -   Serpent Cobra GT (https://www.rctech.net/forum/nitro-road/594770-serpent-cobra-gt.html)

dan_vector 04-02-2019 03:41 AM
https://cimg4.ibsrv.net/gimg/www.rct...13786f532c.jpg

acsilver 05-05-2019 06:48 PM
which servo do you guy use for steering on the 3.1? what's your torque preference?

Julius 05-06-2019 05:30 AM
Originally Posted by acsilver (Post 15444589)
which servo do you guy use for steering on the 3.1? what's your torque preference?
i used sanwa ers 962 on steering. Worked perfectly and not rediculously expensive. HV compatible and waterproof (tried en tested lol)
When choosing a servo look for torque not speed. As you will only use a small part of the servo throw (reduced by epa setting) the speed is always enough. So sufficient torque is required!

acsilver 05-06-2019 01:07 PM
Originally Posted by Julius (Post 15444773)


i used sanwa ers 962 on steering. Worked perfectly and not rediculously expensive. HV compatible and waterproof (tried en tested lol)
When choosing a servo look for torque not speed. As you will only use a small part of the servo throw (reduced by epa setting) the speed is always enough. So sufficient torque is required!
thanks
makes sense

acsilver 05-09-2019 04:52 PM
what combination of diff oil do you guys prefer?

dan_vector 05-11-2019 01:22 PM
Originally Posted by acsilver (Post 15446835)
what combination of diff oil do you guys prefer?
I used to run 80 - 125K in the rear diff and 500k - 1M in the front diff which I'll be continuing with onto the SRX8-GT initially.

British Menace 05-11-2019 01:44 PM
Hey Dan. Have you seen the "default" oils for diffs in the SRX8GT? They are prity thin in comparison. Are you going to try them out first or jump straight into your thicker set up?

Regards
BM

acsilver 05-11-2019 05:44 PM
Originally Posted by British Menace (Post 15447743)
Hey Dan. Have you seen the "default" oils for diffs in the SRX8GT? They are prity thin in comparison. Are you going to try them out first or jump straight into your thicker set up?

Regards
BM
i talked to the guys at the FL serpent track. they use 1.5mil in the front and 80k in the rear, for the srx8gt all dy

dan_vector 05-12-2019 05:18 AM
Originally Posted by British Menace (Post 15447743)
Hey Dan. Have you seen the "default" oils for diffs in the SRX8GT? They are prity thin in comparison. Are you going to try them out first or jump straight into your thicker set up?

Regards
BM
Also because the diff gears are a much finer pitch than the 3.1 gears you need to use much thicker oil right off the bat. I've built my SRX8-GT kit with 125K rear and 1M front at the moment. I will also build up a pair of spare diffs with 250K and 2M as well to try a big change to see what it does on the new car when I finally get the chance to run it! I will also try a softer rear diff but I never liked going too soft in the rear on the 3.1 so we shall see.

British Menace 05-12-2019 04:20 PM
Originally Posted by dan_vector (Post 15447967)
Also because the diff gears are a much finer pitch than the 3.1 gears you need to use much thicker oil right off the bat. I've built my SRX8-GT kit with 125K rear and 1M front at the moment. I will also build up a pair of spare diffs with 250K and 2M as well to try a big change to see what it does on the new car when I finally get the chance to run it! I will also try a softer rear diff but I never liked going too soft in the rear on the 3.1 so we shall see.
Thats interesting Dan.
That Serpent have decided to go to a smaller diff' with closer pitch when other makes have gone the opposite direction and opted for a larger diff' volume, larger pitch and teeth?!
The compensaters in the new Serpent diff also intrigue me too along with 3/4 filled diff' recommendation. Very interesting for sure. I look forward to trying this car out!

Regards
BM

dan_vector 05-14-2019 08:51 AM
Originally Posted by British Menace (Post 15448314)
Thats interesting Dan.
That Serpent have decided to go to a smaller diff' with closer pitch when other makes have gone the opposite direction and opted for a larger diff' volume, larger pitch and teeth?!
The compensaters in the new Serpent diff also intrigue me too along with 3/4 filled diff' recommendation. Very interesting for sure. I look forward to trying this car out!

Regards
BM
The diffs are much smoother than the old diffs and using thicker oil for the same feeling as the old diffs should make them more consistent when hot. Personally I run the diffs without the compensators fitted as we do with the SRX8 buggy.

mustangkillaz 07-04-2019 06:02 AM
Hey guys, can anyone tell me the ID of the clutch bell used on these? I'm trying to find more gear options in my kyosho gt car. Tia.

Cilal 07-04-2019 06:03 AM
Hey guys,
anybody got the part number 600611 laying around they might want to sell? It's the steering blocks in alu.
im still running the 3.1.

also - anybody can tell me the difference between 600497 and 600611? I use the 497 (offset). What performance difference is there between them and what do people prefer?

Solara 07-05-2019 08:30 AM
Originally Posted by mustangkillaz (Post 15474915)
Hey guys, can anyone tell me the ID of the clutch bell used on these? I'm trying to find more gear options in my kyosho gt car. Tia.
Bell = 600586

Solara 07-05-2019 08:33 AM
Originally Posted by Cilal (Post 15474916)
Hey guys,
anybody got the part number 600611 laying around they might want to sell? It's the steering blocks in alu.
im still running the 3.1.

also - anybody can tell me the difference between 600497 and 600611? I use the 497 (offset). What performance difference is there between them and what do people prefer?
600497 is the newer version of the steering hub (still 0 degree) gives you option to use smaller or the full size bearing. Performance difference is still the same....and of course, I would prefer to use the newer one, which is what you are using now.


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