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Kyosho Ultima RB7 Thread

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Old 07-26-2018, 08:58 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Kyosho Ultima RB7 Thread
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Kyosho RB6.6 to RB7 conversion kit RB66TORB7 from Conversion Kit

Parts included (and updated list for RB6.6)

UM703B Front Bulkhead

UM753-1B Shock plastic parts set x 2

UM760 Chassis

UM761 Front suspension arms

UM762 Rear suspension arm

UM763 Front hub carrier

UM764 Wing Stay

UM765 Centre bulkhead (waterfall brace)

UM766 Universal joint ring

UM767 Wing

UMB06 Body

UMD05 Decal sheet

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Old 08-29-2018, 02:28 PM
  #46  
tel
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Originally Posted by Cain View Post
Is there an advantage this setup versus what seems to be standard on other cars?

Sorry just trying to get a feel on how kyosho does things with there 1/10s.

Lastly, any news on an RT7?
The advantage is you can change roll center washers by unscrewing the ball stud without popping off the ball cups. This should make the ball cups remain tighter and last much longer. Also, the super duty camber links are 3.5mm instead of standard 3mm so they are stronger. In addition the ball cups are much shorter so there is less chance they will bend like the stock Kyosho ones.

ZX7 is in the works since everyone has seen the body for it now. No word on RT7 or SC7. Everyone shout loud and hopefully they will make them.
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Old 08-29-2018, 07:28 PM
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Curious on feedback once people start getting kits.
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Old 08-30-2018, 10:13 AM
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Originally Posted by tel View Post
The advantage is you can change roll center washers by unscrewing the ball stud without popping off the ball cups...
How do you do that with what is shown on the RB7 without popping off the cups?

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Old 08-30-2018, 02:13 PM
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Originally Posted by tel View Post
If you want hex ball studs with passthrough cups you can get the Lunsford titanium ball studs and the super duty titanium turnbuckle kit. Tebo runs these all his cars. The RB6.6 kits will work on the RB7.

https://www.amainhobbies.com/lunsfor...ns7763/p301209
https://www.amainhobbies.com/lunsfor...s36106/p587643
Originally Posted by Cain View Post
How do you do that with what is shown on the RB7 without popping off the cups?
The stock Kyosho ball studs and ball cups you can't. I was referring to the use of Lunsford titanium ball studs and super duty turnbuckle kits. If you just get the Lunsford ball studs you can drill the the stock Kyosho ball cups to make adjustments without popping the cups.
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Old 08-31-2018, 08:59 AM
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Anyone been able to get the RB7 out on the track yet and get their opinion on it compared to the RB6.6? I'm trying to decide between picking up a RB6.6 on sale, or getting the RB7. Going to be running it on loose, bumpy dirt.
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Old 09-02-2018, 07:13 PM
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just received mine from ProShop

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Last edited by vikingen; 09-02-2018 at 07:30 PM.
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Old 09-10-2018, 07:29 PM
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all built, just having to rock the RB6.6 body for now

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Old 09-11-2018, 02:47 PM
  #53  
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nice!
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Old 09-13-2018, 08:50 AM
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I just priced out the parts to upgrade a 6.6 to a 7. Chassis not included, it comes out to $98. Knock $27 off for a body if you keep your 6.6 body. I think I'll just upgrade mine.
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Old 09-13-2018, 12:40 PM
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Chassis is a big part. Itís thinner and shorter I believe. More flex
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Old 09-13-2018, 03:23 PM
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Anyone planning on running theirs on indoor/carpet?
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Old 09-20-2018, 06:48 PM
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Picking up my RB7 tomorrow. FIrst time running Kyosho since the original Ultima came out so its been a long time. I'm coming over from running a Schumacher KD and KC. Should be a nice change for me after 1 1/2 years running the KC. Can't wait to start building it this weekend.
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Old 09-21-2018, 03:55 AM
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Had been running a B6 then B6.1D, sold them and bought a Rb7, while I was waiting for that to arrive I bought a 2nd hand Rb6.6, put all the plastic rb7 parts on it and have run that twice on a medium/low grip dusty predominantly 8th scale track, Thing is miles better than the AE to me, can't wait to build the 7 with 4gear lay down and try it indoors, So far the 6.6/7 seems quick, stable and responsive to setup changes
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Old 09-21-2018, 06:40 AM
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Hi guys. Mainly been in the RB6.6 thread. Knew about the 7 but didn't want to wait, plus the killer sale AMain had on the 6.6, I couldn't say no to it. I'd love to fit the gullwing front arms to mine as I'm sure most of you will do. Think they will be a direct fit?
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Old 09-21-2018, 06:49 AM
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Originally Posted by Knockoffracer View Post
Hi guys. Mainly been in the RB6.6 thread. Knew about the 7 but didn't want to wait, plus the killer sale AMain had on the 6.6, I couldn't say no to it. I'd love to fit the gullwing front arms to mine as I'm sure most of you will do. Think they will be a direct fit?
From comparing the two exploded views of the cars I'd say yes. They do not even seem to require a different front shock tower.
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