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Old 07-16-2013, 10:13 PM   #2461
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Originally Posted by Racing4Evo View Post
Got some great tips from RedbullFixx over the weekend, particularly how to lube the DCJs.
His DCJs do look brand new. Did some research turns out heli guys use this stuff too. It sprays on liquid and sets as a thin oily film that stays on unlike grease. Kinda like triflow on steroids! Thanks Dave for the pro tip!
This is the stuff:
HHS-K works great, just don't get it anywhere near bearings, as it's a bit thicker than oil once it's application agents dry out

Thoroughly clean DCJ's with motor spray, and give them a spritz of this stuff every few weeks or so, also use it to lube blades, or pins
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Old 07-17-2013, 01:23 AM   #2462
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Cool BD7 ver.RS won't be long now...

BD7 ver.RS
MRTC-BD7RS ● y21,800 ● $220.00


The experience of running hot high-end touring car in the world first class!
 The person you are running an RC car at most, those who are running a full-scale competition for high-end touring car playing an active part in the big race of the world is only a handful.
BD7 ver.RS released this time is a touring car that specializes in running it was not possible that you plan to be able to enjoy a reasonable budget ran a real RC car to a lot of fans. main chassis which is the cornerstone of running while being reasonably priced, feature of ver.RS kit adopts generously carbon graphite material identical to the original BD7 the upper deck. The front differential spool, also equipped with Geardiff for the rear. Upon upgrade, option parts and BD7 for parts of the originals were built all possible further. ver.RS car is attractive enough even from development of the own.

Main Specifications
■ 4WD belt drive touring car
optimize the twist of the chassis parts in the configuration of symmetrical ■
■ 2.25mm thick graphite main chassis
mounted closer to the center the motor 9.5mm compared to conventional ■
■ front solid axle
rear gear differential ■
■ lightweight plastic belt tension cam
to use the components in common with the high-end machine ■ "BD7", can also update
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Old 07-17-2013, 07:36 AM   #2463
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Default Me so close!

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I've come across a few magazine articles in Japanese briefly talking about the RS but no pricing or release dates. Just a few snap shots of Masami holding the prototype version and some close up shots of the plastic components.

I would estimate the release date would be in August or September. Pricing, I would estimate around 20,000 Yen or $230 USD range.

Man I was off by only $10, somebody buy me a lottery ticket.
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Old 07-17-2013, 07:07 PM   #2464
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Originally Posted by Racing4Evo View Post
Got some great tips from RedbullFixx over the weekend, particularly how to lube the DCJs.
His DCJs do look brand new. Did some research turns out heli guys use this stuff too. It sprays on liquid and sets as a thin oily film that stays on unlike grease. Kinda like triflow on steroids! Thanks Dave for the pro tip!
This is the stuff:

i use Spec-R joint lube. it's a thick oil which wont fly off even after you play..
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Old 07-17-2013, 08:21 PM   #2465
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How does the thick oil in the diff affect the car? Thicker is better for grippy tracks?

in Winter i run on carpet, in the summer we're on ashpalt.
anyone?
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Old 07-17-2013, 09:44 PM   #2466
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anyone?

I use 2000 diff oil most of the Time. I go thinner when the car is too stable.
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Old 07-18-2013, 03:13 AM   #2467
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Default Gearing help

Can anyone offer any advice on gearing for an 8.5 speed passion motor?

I'm planning to run 48 pitch gears. I'm running a BD5wxi on a tight carpet track and I assume that the internal ratio of 2.1 is the same as a BD7.

It would be great if someone could give me a starting point.

Cheers

David
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Old 07-18-2013, 03:18 AM   #2468
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anyone?
i run thicker oil when the track is high traction. Its can reduce traction roll as it reduce the car response.

But even in low traction track, i also run thicker oil. i found it make the car more easier to drive. i ran 5000 - 7000 oil depend on situation.
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Old 07-18-2013, 03:18 AM   #2469
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Can anyone offer any advice on gearing for an 8.5 speed passion motor?

I'm planning to run 48 pitch gears. I'm running a BD5wxi on a tight carpet track and I assume that the internal ratio of 2.1 is the same as a BD7.

It would be great if someone could give me a starting point.

Cheers

David
yokomo bd5 and bd7 is 2.0 internal ratio.
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Old 07-18-2013, 07:34 AM   #2470
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i run thicker oil when the track is high traction. Its can reduce traction roll as it reduce the car response.

But even in low traction track, i also run thicker oil. i found it make the car more easier to drive. i ran 5000 - 7000 oil depend on situation.

So a basic rule: a thicker oil on a grippy track, and thinner oil on a slippy track? is that correct?
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Old 07-18-2013, 12:46 PM   #2471
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i run thicker oil when the track is high traction. Its can reduce traction roll as it reduce the car response.

But even in low traction track, i also run thicker oil. i found it make the car more easier to drive. i ran 5000 - 7000 oil depend on situation.
Always thicker oil then
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Old 07-18-2013, 12:55 PM   #2472
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Was kinda waiting on everyone's response here

I've been running 1k, tried 3k on carpet once, but it compromised corner speed

Guess its a tuning tool for feel ?

This is always with 13.5 blinky for the record
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Old 07-18-2013, 08:31 PM   #2473
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Originally Posted by Cadman1981 View Post
So a basic rule: a thicker oil on a grippy track, and thinner oil on a slippy track? is that correct?
it will be depend on how you want the car to react and layout....i would start with 2k geardiff oil ....try yokomo geardiff oil as it special formulated. It's more consistent than silicon oil...
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Old 07-18-2013, 08:41 PM   #2474
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yokomo bd5 and bd7 is 2.0 internal ratio.
Thanks for that, but I still need a starting point?

What size spur should I start with? 48pitch
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Old 07-18-2013, 11:47 PM   #2475
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I think 2000wt is the ideal starting point especially if you're at an unfamiliar track. Works 90% of the timefor me. I change the oil to alter the way the car enters the corner and then work my setup around it. Thinner for more aggressive corner entry at the expense of less high speed steering and thicker oil for vice versa. For most outdoor tracks, you can get away with a thinner oil and it won't upset the balance but on carpet, it's very sensitive to viscosity changes.
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