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Old 02-19-2008, 11:04 PM   #10966
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Someone said it was 2.16 a few pages back.
It is possible to get a 66T spur and 41T pitch in 48 pitch and if that is right it will just get you to that FDR.

But Im really wondering if the 13.5 is too fast for ya and youre trying to rev out a rock crawler motor :P
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Old 02-19-2008, 11:11 PM   #10967
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edit: double post.
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Old 02-19-2008, 11:14 PM   #10968
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ive raced 13.5 before already, used a 10.5 for the HPI Challenge a few days ago. The speed was well within my capabilities. Just sayin the 17.5 has a recommended FDR of 3.5 and the internal ratios of only a few cars (TC5, JRXS-R, Xray T2 series) are able to accomodate that with ease. The Cyclone, unluckily for me, cant accomodate that easily, but i have no reason to switch to 17.5 anytime soon as my local club races will be allowing 13.5 in the stock class for another few months.


im the one with the cheetah lanyard


I should have given that guy a ticket for hitting me like that :P


-- ELECTRIC SPORT - A Main --
Pos Car Laps time name
1 2 25 5:07.82 asphalt avenger
2 3 25 5:11.34 chris chavez
3 1 24 5:02.92 MIKE R
4 5 24 5:10.55 karl lapastora
5 7 23 5:11.33 CHRIS ARELLANO
6 4 22 5:12.18 Steve Hollstein
7 8 22 5:12.80 RYAN BECKMAN
8 6 15 5:01.88 TONY CORRALES
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Old 02-19-2008, 11:22 PM   #10969
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So who was the dude who hit ya, was it the dude on the right of you in the picture with the furrowed brows thinking opps i think maybe that was my fault

PS. I hope you dont have matching cheetah underwear
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Old 02-20-2008, 02:09 AM   #10970
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Quote:
Originally Posted by mangoman View Post
So who was the dude who hit ya, was it the dude on the right of you in the picture with the furrowed brows thinking opps i think maybe that was my fault

PS. I hope you dont have matching cheetah underwear
lol i dont.

but yeah i forgot who that blue car was. Oh well! :P
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Old 02-20-2008, 02:49 AM   #10971
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i get a final drive ratio of about 3.65 with a spur of 60 and a pinion of 40. it *JUST* fits could do with dremmeling it a tad but it meshes ok. this is on 48dp so if you could find a 42t pinion or something along those lines you should be ok.
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Old 02-20-2008, 06:08 AM   #10972
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Quote:
Originally Posted by BlackedOutREVO View Post
Yeah, I changed to steel front shafts, the MIP's and a spool I went through both fast.....
This is going to be my last post on this now crappy website. I couldn't get on to any threads yesterday. If I'm bored and feel like waiting I might try to log on. So for any info Scotty and I have from our testing you can find me on rcracing.com The better info is on here but what good is it if you can't get on to view it. I was going to test this weekend but it looks like rain so I will just wait yet another week before I break out the Novak powered Cyclone
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Old 02-20-2008, 06:12 AM   #10973
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Has any one acheived a FDR ratio of around 3.0 with or without the 18t pulleys
with 64pitch gears,

if so what size spur and pinion did you use?

also i will need to go up and down from 3.0fdr ratio so if there is room for the motor to go both ways in the mount this would be even better......

cheers
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Old 02-20-2008, 07:16 AM   #10974
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A while back someone posted a link to a gear chart in which the gear combinations that meshed were highlighted. I tried searching this thread but no luck. Anyone have that link handy?
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Old 02-20-2008, 07:19 AM   #10975
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Quote:
Originally Posted by STLNLST View Post
This is going to be my last post on this now crappy website. I couldn't get on to any threads yesterday. If I'm bored and feel like waiting I might try to log on. So for any info Scotty and I have from our testing you can find me on rcracing.com The better info is on here but what good is it if you can't get on to view it. I was going to test this weekend but it looks like rain so I will just wait yet another week before I break out the Novak powered Cyclone

Where are you guys talking at? Stupid rain ruins all the fun!

By next practice day, My 3PK super, and FASST set up should be here, and my new servo I hope
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Old 02-20-2008, 10:26 AM   #10976
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http://i244.photobucket.com/albums/g...1/IMG_1766.jpg

HA HA, is this a picture of andy honing his mastery of the dark side of the force on a couple of non-HB chumps at TITC :P
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Old 02-20-2008, 10:47 AM   #10977
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Quote:
Originally Posted by LOSI123 View Post
Has any one acheived a FDR ratio of around 3.0 with or without the 18t pulleys
with 64pitch gears,

if so what size spur and pinion did you use?

also i will need to go up and down from 3.0fdr ratio so if there is room for the motor to go both ways in the mount this would be even better......

cheers
3.0 FD is pretty mucn impossible, I just don't see it happening as going to 3.5 is enough of a challenge. By switching to 18t pulley's and longer belts you drop half a point on your FD so its a must.

Shoot for a 3.5 FD for the 17.5 motor and a 4.0-4.5 for your 13.5 motor.
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Old 02-20-2008, 11:16 AM   #10978
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Quote:
Originally Posted by LOSI123 View Post
Has any one acheived a FDR ratio of around 3.0 with or without the 18t pulleys
with 64pitch gears,

if so what size spur and pinion did you use?

also i will need to go up and down from 3.0fdr ratio so if there is room for the motor to go both ways in the mount this would be even better......

cheers
PRS gears and pinions.
www.precisionracingsystems.com

I purchased two 76T and 80T 64P spurs..and pinions 51T-60T.

now lets see if it'll fit!

here's my 76T spur and 60T pinion.

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Last edited by Hebiki; 02-20-2008 at 11:19 AM. Reason: added image
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Old 02-20-2008, 11:31 AM   #10979
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Hopefully the "updated" Cyclone will address the problem with gear ratio. I don't know how guys are going to get to where they need to be with the 17.5even with the new pulleys. We shouldn't have to run pinions as big as the spurs!

STLNST, sorry to see you go but don't blame you, this site has turned to crap over night.
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Old 02-20-2008, 12:30 PM   #10980
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how come theres no news on the updated cyclone?
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