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Old 01-11-2009, 05:01 PM   #2701
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Default gaering etc

Heya, hoping some one can help me out. New to electric so no idea.

Car has never been run.( unless you count VERY short course drifting on the kitchen floor)

What is the best spur/ pinion combo for an FDR of 4.0 or just above? ( i mean number of teeth/ pitch not brand )

Im running a Lrp Vector 17.5 brushless, lrp sphere tc with a track power 3600 30c lipo.

I have a gear diff in back and spool in front, i have a mid shaft one way and a one way front diff ( neither fitted to car), are either of these worth fitting for stock class?

What effect does the mid shaft one way have?

Ive also fitted front aluminium c-hubs, are they worth having on the car or should i stick with plastic?

cheers
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Old 01-11-2009, 05:25 PM   #2702
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Originally Posted by Shagnasties View Post
Heya, hoping some one can help me out. New to electric so no idea.

Car has never been run.( unless you count VERY short course drifting on the kitchen floor)

What is the best spur/ pinion combo for an FDR of 4.0 or just above? ( i mean number of teeth/ pitch not brand )

Im running a Lrp Vector 17.5 brushless, lrp sphere tc with a track power 3600 30c lipo.

I have a gear diff in back and spool in front, i have a mid shaft one way and a one way front diff ( neither fitted to car), are either of these worth fitting for stock class?

What effect does the mid shaft one way have?

Ive also fitted front aluminium c-hubs, are they worth having on the car or should i stick with plastic?

cheers
Hey Shags,

1) if you're running on asphalt, run spool upfront with rear diff.

2) If running on carpet, many people use the one way on carpet upfront, although many prefer a front spool as well.

3) Use the stock center pulley.

4) For 4.0 FDR use 93 Spur with 50-51 tooth pinion.

5) For 17.5 racing the aluminum C-hubs are not needed. Stick with the plastic ones.
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Old 01-12-2009, 12:33 AM   #2703
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Default gearing

Thanks for the reply, couple more questions

If i go to 48 pitch spur/ pinion, does the number of teeth on the spur/pinion remain the same? if not what 48 pitch spur/pinion do i usw to get the above posted FDR?

Also, does any one use the rear anti roll bar?

cheers
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Old 01-12-2009, 12:54 AM   #2704
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Originally Posted by Shagnasties View Post
Thanks for the reply, couple more questions

If i go to 48 pitch spur/ pinion, does the number of teeth on the spur/pinion remain the same? if not what 48 pitch spur/pinion do i usw to get the above posted FDR?

Also, does any one use the rear anti roll bar?

cheers

I always use the front n rear anti roll bar

the 48pitch and 64pitch teeth is different....but i'm not sure how to calculate it....
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Old 01-12-2009, 06:10 AM   #2705
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I always use the front n rear anti roll bar

the 48pitch and 64pitch teeth is different....but i'm not sure how to calculate it....
FYI, KSCHU is our top driver in our area. He always tries new setups and some sort of "secret tuning" and always stays ahead of the rest of the pack in our place. His setup works...

48 and 64 pitch. Some info that I know of...
Durability = 48P really tough
Quietness = 64P
Smoothness = 64P
Ratio = 64P will gives you finer ratio difference compared to 48P
Calculations of ratio is still the same.

Is anyone having durability problems with the center 16T pulley? I mean it wears out quite fast as compared to other brands. I am think the annodized coating wears out too fast IMO. My local top drive kschu is using 16T pulleys from HB and the wear rate outlast Serpent's at least 2x and works like a dime.
Chu is it right? is it right?? huh huh??
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Old 01-12-2009, 06:38 AM   #2706
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Originally Posted by jayjayy View Post
FYI, KSCHU is our top driver in our area. He always tries new setups and some sort of "secret tuning" and always stays ahead of the rest of the pack in our place. His setup works...

48 and 64 pitch. Some info that I know of...
Durability = 48P really tough
Quietness = 64P
Smoothness = 64P
Ratio = 64P will gives you finer ratio difference compared to 48P
Calculations of ratio is still the same.

Is anyone having durability problems with the center 16T pulley? I mean it wears out quite fast as compared to other brands. I am think the annodized coating wears out too fast IMO. My local top drive kschu is using 16T pulleys from HB and the wear rate outlast Serpent's at least 2x and works like a dime.
Chu is it right? is it right?? huh huh??
yeeep! I've also notice my 16t pulley wears out fast even if we are only racin 11.5BL's. what more if usin' a faster motor?..anyway,, do you have the part number from HB for the 16tpulley?..much thanksx
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Old 01-12-2009, 08:29 AM   #2707
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Originally Posted by Mr Granone View Post
Well I checked MMR and it does seem they have them. However they are $800 per the online store. WTF $800? That would be the most expensive RC TC on the planet to date. I can order one from EU cheaper then that even if I pay VAT. Anyone know a source in the US that is not out of their minds?

500 US$ ship dood to door(dogboneind.com)
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Old 01-12-2009, 09:15 AM   #2708
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yeeep! I've also notice my 16t pulley wears out fast even if we are only racin 11.5BL's. what more if usin' a faster motor?..anyway,, do you have the part number from HB for the 16tpulley?..much thanksx
You can also use the 3-Racing pulleys designed for the HB. They outlast the Serpent pulleys as well (I ran mod with them).

partno: 3R-CY-17PU Aluminium Pulley For Hot Bodies Cyclone

The pulleys itself are made of Delrin or some other type of plastic that seems similar. The set comes with 16t, 17t and 18t pulleys, so you can play a little with your internal ratio as well).
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Old 01-12-2009, 05:57 PM   #2709
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Originally Posted by jayjayy View Post
FYI, KSCHU is our top driver in our area. He always tries new setups and some sort of "secret tuning" and always stays ahead of the rest of the pack in our place. His setup works...


i'm not top driver leh........already lose to u last race...

HB 16t pulley - HB-70725

i also using 3racing center pulley and its last longer than serpent center pulley...and cheaper price too...

fyi, tamiya 16t center pulley also can fit into s400. (ta-51060)
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Old 01-13-2009, 12:21 AM   #2710
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Default oki! suntok,,,,,,,,,passoook!!

Snake Bros, thanks for the quick reply re the 16t pulley. I will try to order for backup reasons.

FYI, you can order Serpent parts and kit from Suntok2(dogboneind.com) Very good reputation with very low prices. I got my kit and parts from him,,,No problem.
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Old 01-13-2009, 06:22 AM   #2711
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Originally Posted by Mr Granone View Post
Well I checked MMR and it does seem they have them. However they are $800 per the online store. WTF $800? That would be the most expensive RC TC on the planet to date. I can order one from EU cheaper then that even if I pay VAT. Anyone know a source in the US that is not out of their minds?
As a distributor the online store is msrp they are clearancing out some of the snake kits try emailing them a request on a s400 kit.
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Old 01-13-2009, 07:16 AM   #2712
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Default s400 gearing

any one tell me what the FDR on a 35 t pinion and a 69 tooth spur are please? both 48 pitch, some one said the calc for 64 and 48 pitch are different.

cheers
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Old 01-13-2009, 07:58 AM   #2713
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Default spur/pinion*2.18

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Originally Posted by Shagnasties View Post
any one tell me what the FDR on a 35 t pinion and a 69 tooth spur are please? both 48 pitch, some one said the calc for 64 and 48 pitch are different.

cheers
4.2fdr

Sssssssssssssssssssssssssssssssssssssssssss.......
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Old 01-13-2009, 04:14 PM   #2714
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Default gearing

Thanks for the reply, what is the calculation you used please?

cheers
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Old 01-13-2009, 05:01 PM   #2715
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Thanks for the reply, what is the calculation you used please?

cheers

www.gearchart.com

Choose gearchart creator, pick your car, spur and pinion and your FDR will be calculated.
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