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R/C Tech Forums Thread Wiki: Yokomo YZ-2
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Old 04-11-2015, 01:53 AM   #931
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Originally Posted by jake alton View Post
Issue with carbon fiber battery brace popping out from under the rear chassis brace. More than once. Most likely by casing a jump. Anyone have this problem? Chassis flex!
Yep! Same here!
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Old 04-11-2015, 04:25 AM   #932
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Sounds like you two are having so much trouble you'll consider selling one
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Old 04-11-2015, 04:46 AM   #933
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Sounds like you two are having so much trouble you'll consider selling one
Lol
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Old 04-11-2015, 03:23 PM   #934
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Originally Posted by jake alton View Post
Issue with carbon fiber battery brace popping out from under the rear chassis brace. More than once. Most likely by casing a jump. Anyone have this problem? Chassis flex!
+1


Should I get Kyosho whites or Kyosho gold springs?

Teeforb, let me know what works at sdrc
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Old 04-11-2015, 03:24 PM   #935
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Also has anyone tried those brass rear suspensions weights? I'm wondering if they are that much better than the lead I've got taped all over the back of my car.
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Old 04-11-2015, 03:40 PM   #936
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Originally Posted by jake alton View Post
Issue with carbon fiber battery brace popping out from under the rear chassis brace. More than once. Most likely by casing a jump. Anyone have this problem? Chassis flex!
There is one in the works with Factory RC in which they increases the length by a millimeter or so. It should be their normal that is adjustable (no using foam blocks). For the stock racers there is a lightweight option for lockout with use of kimbrough gears. There is also a waterfall in development that will allow use of a 25mm fan as well.

Should have answers back from the companies this month. So stay tune! I am trying my hardest to get these companies to work with the Yokomo line of cars.
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Old 04-11-2015, 04:35 PM   #937
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+1


Should I get Kyosho whites or Kyosho gold springs?

Teeforb, let me know what works at sdrc
Call me, my car is DIALED! I'm building a second one for 17.5.
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Old 04-11-2015, 04:36 PM   #938
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Hey guys, building my second yz2. I lost the piston washers AGAIN! I found some that works but they are a tad bit thicker. So the pistons for more snug. Just enough to get the e clips on. Do you guys see any issues with this?

Thx
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Old 04-12-2015, 08:59 AM   #939
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Originally Posted by teeforb View Post
Hey guys, building my second yz2. I lost the piston washers AGAIN! I found some that works but they are a tad bit thicker. So the pistons for more snug. Just enough to get the e clips on. Do you guys see any issues with this?

Thx
As long as you don't have to force the eclip on its fine. The less piston float you have the better. It's makes for more consistent dampening. For on road cars where there is very little suspension travel, the effect is very noticeable but for off road it doesn't hurt either.
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Old 04-12-2015, 10:02 AM   #940
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Also has anyone tried those brass rear suspensions weights? I'm wondering if they are that much better than the lead I've got taped all over the back of my car.
I used them Friday, along with the Bmax4 rear arms on carpet, rear end was very planted when i switched to the kit green springs, going to try a few of the Yatabe rear springs too when they arrive.

lee
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Old 04-12-2015, 03:32 PM   #941
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Without the shim the piston has a float in it. A click in the compression. This will be noticed when getting on the gas into a high speed turn. The rear will give a little shimmy. Think of your rear end as elvis's hips. the car will give it's little shake then settle in. Normally it won't hurt the car. Two key points to this though. If you react to it and try to correct you can get out of shape fast. And also a bumpy high speed section could grab an edge and cause the car to get loose roll etc. Just food for thought
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Old 04-13-2015, 12:52 AM   #942
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First night out on the carpet with the yz-2 and picked up a win. It jumps great and corners like my touring car. I could never corner this fast with my cougar kf . I copied toms setup on petitrc. Gonna try some heavy springs just to see how it reacts.
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Old 04-13-2015, 06:42 AM   #943
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Interesting info provided by Lee Martin about why he used certain hopups...

Here are BRCA national round 1 winning cars. The Yokomos of Lee Martin.
YZ-2 aftermarket parts used:
- gull wing arms and tower : to reduce steering and increase performance over bumps.
- 2 x LMR 55g under Lipo weights : calm the car down on high grip
- orange yatabe front spring and green rear.
- Ti screw and turnbuckles : screws increase flex relationship between plastic parts. Turnbuckles look good and weigh less.
- LMR Avior wing
- Muchmore fleta set up with 6,0 motor
- Xpert SN-4401LM servo
- protek shorty Lipo
- alloy yz2 rear uprights.
- BMAX 4 rear arms and bmax 2 rear dog bones. Increase car width and stability
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Old 04-13-2015, 07:37 AM   #944
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Anyone have an easy to drive carpet setup? Looks like next winter I'll be carpet racing as the local clay track is rumored to be done and the next closes track to me is carpet. The guys seem to run dBoots instead of Schumacher mini pins. I thought the Schumacher yellow mini pins were "the carpet tire".
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Old 04-13-2015, 09:23 AM   #945
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Anyone have an easy to drive carpet setup? Looks like next winter I'll be carpet racing as the local clay track is rumored to be done and the next closes track to me is carpet. The guys seem to run dBoots instead of Schumacher mini pins. I thought the Schumacher yellow mini pins were "the carpet tire".
They generally are - just don't tell them that and you'll have an advantage until they figure it out...

The one exception that I was aware of was if it's higher pile carpet instead of the low-pile, high-traffic stuff and/or ozite most use in which case the slightly larger pin size of the Dboots can be helpful.
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