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Old 12-07-2009, 09:15 AM   #17941
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Originally Posted by Gwoodrc View Post
I know it's probably in this forum many many pages back, but can someone please tell me the spring rate for the silver and gold springs that come on the moorespeed car?
Silver - 16.9

Gold - 19.0
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Old 12-07-2009, 05:10 PM   #17942
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hey guys

im trying to get some parts from HB online and whenever I add something to my cart it adds it but when I click on my cart it shows nothing.........then I go back and add it to my cart again then it adds 1 including the one I previously added........and when I try to remove or update the product to the quantity I want........it jus deletes everything from my cart.


is there a solution to this?
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Old 12-07-2009, 05:28 PM   #17943
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remove cookies and cache, close the browser and do it again
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Old 12-09-2009, 10:11 AM   #17944
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Default Gearing 17.5T motor

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Originally Posted by Hebiki View Post
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.

Has anyone successfully geared 17.5T motor for 3.5 FDR with these gears? Which gear combination fits in physically for 17.5T motor? Thanks!

Last edited by ozvena; 12-09-2009 at 11:46 AM.
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Old 12-09-2009, 11:56 AM   #17945
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Default Gearing 17.5T motor

Using the median pinion size HPI sells for this kit (42T) and the included spur (96t) I calculated the distance between center of these two gears as 27.4mm.

Here is the formula I used:
Center Distance = (Teeth on Pinion + Teeth on Gear) (2 Diametral Pitch)

Now I know what my working distance is, 27.4mm.

The largest pinion I can find is 64T.

To get 3.5 FDR, the spur must be 92T.

With 64T pinion and 92T spur the gear distance is 30.96mm.

Delta between the median distance (27.4) and 30.96mm is 3.6mm.

It seems on the theoretical level (still waiting for the kit arrival) that 64T/92T gear would work fine.

It would be nice to know what you are running...and what the actual medium distance is and how much room there is on the motor mount, left and right from the center.
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Old 12-11-2009, 12:52 AM   #17946
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Hi all,

We were at the WCRC(West Coast RC) for some practice today. (KO Grand Prix Day1)
Barry Baker with his Cyclone TC was the fastest on the track whole day today!! We have had some discussion and figured out it can be even better tomorrow.

Checkpoint's power /Cyclone TC chassis combo is MAXIMUM FAST!
Looking forward to see the improvement tomorrow.
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Old 12-11-2009, 04:26 AM   #17947
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Quote:
Originally Posted by ozvena View Post
Has anyone successfully geared 17.5T motor for 3.5 FDR with these gears? Which gear combination fits in physically for 17.5T motor? Thanks!
wanted to ask this the other day...

what kind of speedo are you running with the motor?? if you're running a speedo that's capable of turbo/boost, then you're not going to need a FDR that low...I actually went faster (straightaway speed) going from a 4.7 to 5.0/5.1ish FDR with the boost/turbo feature on my Tekin RS

the last time I ran some gear ratio THAT low, I was running USVTA 4cell/17.5 pre-boost/turbo Tekin RS days...I believe my FDR was around 2.0 - was farily fast, but no bottom-end pickup
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Old 12-11-2009, 06:01 AM   #17948
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Default Gearing 17.5T motor

I will be using Mamba Max Pro in sensored setup. It has co called "CHEAT MODE". Thanks for the advice, now I know what to expect (everything still in the mail) and how to deal with it.
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Old 12-11-2009, 07:02 AM   #17949
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Originally Posted by Hi-LowBlow View Post
Hi all,

We were at the WCRC(West Coast RC) for some practice today. (KO Grand Prix Day1)
Barry Baker with his Cyclone TC was the fastest on the track whole day today!! We have had some discussion and figured out it can be even better tomorrow.

Checkpoint's power /Cyclone TC chassis combo is MAXIMUM FAST!
Looking forward to see the improvement tomorrow.
that's the MAXIMUM BEST!!!
good luck to the hotbodies team! - karl
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Old 12-11-2009, 09:22 AM   #17950
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Quote:
Originally Posted by Hi-LowBlow View Post
Hi all,

We were at the WCRC(West Coast RC) for some practice today. (KO Grand Prix Day1)
Barry Baker with his Cyclone TC was the fastest on the track whole day today!! We have had some discussion and figured out it can be even better tomorrow.

Checkpoint's power /Cyclone TC chassis combo is MAXIMUM FAST!
Looking forward to see the improvement tomorrow.
Best luck for all HB!
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Old 12-11-2009, 05:54 PM   #17951
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I wonder how the Checkpoint motors compare to the Duos or Novaks? Especially in the spec winds.
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Old 12-11-2009, 07:45 PM   #17952
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Korey, what is the difference (if any) between running 4 deg castor with 2deg of kick-up in the hinge pins and a 6 deg castor block with no kick-up ?
Thanks.
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Old 12-11-2009, 10:20 PM   #17953
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Hmmm that is something I have not tested in a long time. Whenever I run kickup... it helps with steering off power, but kills any on power steering as it promotes weight transfer to the rear of the car when on power.

I would think the 6 deg with flat pins would be a little more balanced. It would just be smooth entering corners, and provide more steering through the middle and exit. With kickup... it makes the car jack weight around more specific to your throttle input.

Maybe someone has some more recent experience with this? If anyone does, please jump in.

-Korey
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Old 12-11-2009, 11:44 PM   #17954
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Default Serpent S-400 Parting Out NEW!!!!

cvd's $30 each
shock towers front n rear $30 each
upper front and rear left n right aluminum bearing caps $25 each
extra thick 3.5mm carbon chassy $100
extra thin 2.5mm carbon chassy $100
front spool w outdrives $60
rear ball diffs w outdrives $50
front n rear belts $20
front left and right bearing blocks $35 each
rear right bearing block $35
rear left bearing block w motor sink $35
front aluminum c hubs $25 each
front steering knuckles $10 each
rear aluminum uprights $30 each
threaded shock system $20 each
front bumper $15
center aluminum pulley system $40
servo saver $20
upper carbon brace w antenna tube n belt bearings $30
front bumper carbon brace "s400" $10
rear upper carbon pulley brace $10
aluminum hexes all 4 $30
sway bars both f n rear $20
all the end turnbuckles and steering linkages w orange anodized rods $30
front body posts $10/ rear posts $10
Futaba BLS 451 New Brushless Servo $90 .12 transit
New PolyMax B6 Lipo Charger(needs 12v acdc power supply) $80
New Orion 5000MaH 7.2V Stick Pack $45
New Orion 3000MaH 7.2V Stick Pack $30

S-400 entire car as a whole also for sale fully built roller new for $500 + shipping
[email protected]
408-771-9993
tnx yaal
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Old 12-12-2009, 08:03 AM   #17955
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Quote:
Originally Posted by Korey Harbke View Post
Hmmm that is something I have not tested in a long time. Whenever I run kickup... it helps with steering off power, but kills any on power steering as it promotes weight transfer to the rear of the car when on power.

I would think the 6 deg with flat pins would be a little more balanced. It would just be smooth entering corners, and provide more steering through the middle and exit. With kickup... it makes the car jack weight around more specific to your throttle input.

Maybe someone has some more recent experience with this? If anyone does, please jump in.

-Korey
You know I added kick up to your parking lot set up in hopes of getting the feel of having 6 degree caster blocks. My take on it is that the higher blocks angle the the caster blocks back allowing the car to feel it has more steering on power. I figured kick up tries to acheive the same thing with the angling of the caster blocks but has a slightly different feel to it. Do I have this correct? It felt great on the track and the results were there with my laptimes dropping.
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