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Old 02-14-2010, 06:55 AM   #1081
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No, you can use more than 47. 47 is as small as you can use without any material removal (sorry for a late response, I missed your question).

You can find these calculators helpful:

http://scriptasylum.com/rc_speed/_gear_calc.html
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Old 02-18-2010, 06:31 AM   #1082
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62/88 fits nicely for 3.46 FDR.
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Old 02-18-2010, 09:46 AM   #1083
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hey guys im new to the onroad scene and the cyclone s.

i am having a problem with a weird noise coming from the back its like whhhiirrr noise. i took the pinon off to see if it was the motor and its not. i have checked the gear mesh and it is dead on. im running a 21.5t lrp motor with a 44t pinion on the stock 96t spur. i did read alittle on this thread that it could be the rear belt being to tight. just woundering if there is anything else i could check. i lubed up all the bearings just incase but it still happens

the noise only happens at a slow speed but then clears up when i get up to speed.

thanks guys
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Old 02-18-2010, 10:16 AM   #1084
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What about rebuilding a diff? If all is checked and it drives well, I would not worry about it.
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Old 02-21-2010, 08:17 PM   #1085
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I am learning not to hit things but getting better.

1) I keep breaking the front hubs (HPI Carbon Graphite Block/Hub Set RS4 Pro 4), is that my poor driving or they really brake easily? I hesitate to go aluminum being afraid of breaking something else.

2) The upper deck is bolted to a post in the back of the main chassis and I noticed that the post is broke. I am puzzled how it happened. I suspect that the motor mount allows for some flexing and stresses the upper deck. What do you guys think is happening and what to do? Get CF chassis instead of the tub one? Get aluminum motor mount (#61298 expensive, ouch!)? Both?
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Old 02-21-2010, 09:01 PM   #1086
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I have broken front steering hubs and one problem is that when you buy a replacement part you get one front steering hub and one rear hub. So, I have several rear hubs, and i seldom break the rear hubs.

I reduced the number of front hubs breaking by buying a BRP hard bumper made for a TC3. I adapted and it protects those front hubs.
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Old 02-22-2010, 06:41 AM   #1087
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I completely forgot about the bumper!I have few hard foams on order from HK as somebody else already recommended. I will also install the BRP bumper or make my own from some leftover material I have.

I will get a new tub, it is cheap to replace, and get aluminum motor mount from 3Racing.

Do you recommend any other upgrades from 3Racing?

Thanks!
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Old 02-22-2010, 08:05 AM   #1088
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I have used the 3Racing cvd's and their ok. I have used the I also have used the 3Racing motor mount, middle block and the middle chassis.
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Old 02-22-2010, 07:30 PM   #1089
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What is the difference here (other than number of sub-C cell openings which should not make any difference with hard case packs)?

http://www.toyeast.com/v3/pdtdetail....t_id=A02110636
http://www.toyeast.com/v3/pdtdetail....t_id=A02110687
http://www.toyeast.com/v3/pdtdetail....t_id=A02110639
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Old 02-22-2010, 10:14 PM   #1090
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Quote:
Originally Posted by ozvena View Post
What is the difference here (other than number of sub-C cell openings which should not make any difference with hard case packs)?

http://www.toyeast.com/v3/pdtdetail....t_id=A02110636
http://www.toyeast.com/v3/pdtdetail....t_id=A02110687
http://www.toyeast.com/v3/pdtdetail....t_id=A02110639
The Sport version and the racing version have some screw holes in different places, if you have a Sport you NEED the sport version, if you have a TC or WCE etc then you will need the RACING version. This is one of the reasons many people initially complained about the 3Racing Cyclone spares as many just ordered up stuff and it did not line up, there are subtle differences.

Hope it helps.
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Old 02-23-2010, 06:12 AM   #1091
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Thanks! I saw your Cyclone, it looks great! Do you still prefer the SSG Graphite to the black one?

To add to the confusion, two are listed as 30g and the 3rd is listed as 150g. That must be a typo, I think.
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Old 02-23-2010, 08:31 AM   #1092
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Quote:
Originally Posted by ozvena View Post
Thanks! I saw your Cyclone, it looks great! Do you still prefer the SSG Graphite to the black one?

To add to the confusion, two are listed as 30g and the 3rd is listed as 150g. That must be a typo, I think.

Lol I love the SSG, if 3Racing still made the SSG Main Chassis I would own one just to finish the car off, thanks for the lovely comments about her she is a work in progress, will post latest pictures soon as I get home from School.

I think they all weigh roughly 150g not too heavy but the 3Racing Carbon is considerably thicker so need to set up top decks to allow for reduced flex. Will demonstrate on forthcoming pictures.
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Old 02-23-2010, 12:46 PM   #1093
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Quote:
Originally Posted by ozvena View Post
Thanks! I saw your Cyclone, it looks great! Do you still prefer the SSG Graphite to the black one?

To add to the confusion, two are listed as 30g and the 3rd is listed as 150g. That must be a typo, I think.

Here are the updated pictures with some notations about DIY changes made to the Chassis and components, these were mainly done to 'tame' the chronic 'on power' understeer that I was suffering coming out of corners. The car had ample turn in 'off power' but was pushing super wide as soon as the power laid on, meant that I could happily turn inside anybody as the car was super stable under braking, but as soon as I tried to pull away they were able to come inside me and go back past.

So far I have overtightened the Front Diff to act more like a spool, gone to a medium 3Racing Front Anti roll bar (instead of thick) and introduced the thin Rear anti roll bar in place of none installed, all in all has gotten rid of 'most' of the understeer. the only downside is a 'loosening' of the rear end a bit so it looks (and feels) like it is sliding out, but is super easy to catch when it does, so just a small change in driving technique was required to tame this, the car now gives me 2 laps more in our clubs 5 minute races due to these modifications, so all in all worthwhile.

The understeer was never a broblem until I flashed my Hobbywing with the latest Speed Passion 'STOCK' software and now have more power than the setup (as it was) could handle.

So here goes......





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Old 02-23-2010, 01:05 PM   #1094
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Excellent! How thick lipo can you fit in? Was the original tub chassis as stiff as the new one?

Last edited by ozvena; 02-23-2010 at 01:16 PM.
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Old 02-23-2010, 01:22 PM   #1095
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Quote:
Originally Posted by ozvena View Post
Excellent! How thick lipo can you fit in? Was the original tub chassis as stiff as the new one?
My current ones are 25mm and fit with about 1/2 mm clearance so very snug. Using 3Racing 5000 35C and are perfect if you hand sand the bulkhead just about 1mm off it, hand is better with sandpaper, takes longer but better finish.

One thing I did forget was that with the use of the teflon washers I needed to open up the screw holes in the top deck very very very slightly with a drill bit, so as to allow a miniscule amount of movement, this allows me to tune flex in and out a little like the X-Ray system without resorting to cutting either of the top decks.

The original tub was too fragile for my liking went through 5 in two months, this is due to a very poorly placed crewhole at the back which leaves a weakness, if you look you will see a very tiny amount of chassis between the screw and the edge of the deck, with all the alloy parts we think the top was too stiff for the bottom and even fairly mild crashes were snapping the chassis.
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