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-   -   Yokomo Bmax2 M (http://www.oople.com/forums/showthread.php?t=112303)

discothesnake 23-01-2013 07:00 PM

Quote:

Originally Posted by Craig W (Post 736790)
invoice sent gear diff sold to dave

no gear diff in stock now should be back n stock middle of next week

No worries Craig, will sort it this evening.

Dave

ScottyP 23-01-2013 10:00 PM

I notice that Hayato is running in the Reedy Race this weekend. Will be interesting to see how he goes. Didn't see Naoto on the list tho.

Barry Baker is also running Yokomo in open class.

Neo is covering the race.

smokes 24-01-2013 08:10 PM

Any tips on building the car?

J'MM'N 24-01-2013 08:31 PM

Quote:

Originally Posted by smokes (Post 737329)
Any tips on building the car?

I found the layshaft had quite a bit of side play on my build, so I added a 0.2mm shim on either side:thumbsup:

Shock oils and pistons, I'm still pondering at the moment, as I plan to run mainly outside.

discothesnake 24-01-2013 09:21 PM

Yeah I noticed the play on the lay shaft. Ill need to get some shims.

Front end is very soft. I'd use piston no.1 in front and if your running on high grip then a stiffer spring will be needed. Either that or use Naoto's set up and go for 60cwt shock oil!!!

Rayzerp 24-01-2013 09:55 PM

Building shocks tonight....not sure what to do with pistons...always ran associated 2 in front and 1 in rear on my Vega on astro So was thinking the same for Bmax to start but all the setups online seem to be 2 in front and 3 in rear??

Sylvain 25-01-2013 08:23 AM

Pistons
 
Yes 2 in front and 3 in rear...

Quote:

Originally Posted by Rayzerp (Post 737391)
Building shocks tonight....not sure what to do with pistons...always ran associated 2 in front and 1 in rear on my Vega on astro So was thinking the same for Bmax to start but all the setups online seem to be 2 in front and 3 in rear??


discothesnake 25-01-2013 10:02 AM

What is the order of the pistons?

I take it 1 is the smallest hole to 3 which is biggest?

s22jgs 25-01-2013 10:31 AM

Quote:

Originally Posted by discothesnake (Post 737515)
What is the order of the pistons?

I take it 1 is the smallest hole to 3 which is biggest?

other way round from what i could see

s22jgs 25-01-2013 10:32 AM

heres mine.... need to shorten the motor wires a little but otherwise ok.

http://lh6.googleusercontent.com/-Qt...130124_003.jpg

J'MM'N 25-01-2013 10:36 AM

Quote:

Originally Posted by discothesnake (Post 737515)
What is the order of the pistons?

I take it 1 is the smallest hole to 3 which is biggest?

No they are the opposite way, which makes it a bit confusing as I would normally run a smaller hole piston up front on 2wd.

On measuring:
No.1 = 4 x 1.4mm
No.2 = 4 x 1.3mm
No.3 = 4 x 1.2mm

I know Sylvain, Naoto and the rest of the Yokomo team have found the ideal setting for racing indoors, as has been proved. But would this be ideal for outdoors on more bumpy tracks? I only ask as I'm unsure what route to go.

Rayzerp 25-01-2013 12:20 PM

Quote:

Originally Posted by J'MM'N (Post 737531)
No they are the opposite way, which makes it a bit confusing as I would normally run a smaller hole piston up front on 2wd.

On measuring:
No.1 = 4 x 1.4mm
No.2 = 4 x 1.3mm
No.3 = 4 x 1.2mm

I know Sylvain, Naoto and the rest of the Yokomo team have found the ideal setting for racing indoors, as has been proved. But would this be ideal for outdoors on more bumpy tracks? I only ask as I'm unsure what route to go.

Yes this is why i am confused because I am the same...have always run smaller holes on the front.

smokes 25-01-2013 12:59 PM

Don't those indoor setups use 60wt oil in the front? sounds like it setup for less pack due to bigger holes but slowed damping movement due to the oil vicosity. Suspect it setup that way to slow the car movement down in yaw and braking on indoor tracks. or the blue springs match the damping for that setup.

Rayzerp 25-01-2013 02:03 PM

There are some set-up sheets on PetitRc for the old rear motor car on outdoor astro tracks that I am going to use as a base. Red springs on front and blue on back with 30/35wt oil seems a reasonable place to start

wouter.z 25-01-2013 06:44 PM

Also that setup was used at the EOS were they were running D-boot tires. D-boot tyres make allmost all cars traction roll, at least my X6 doesnt like D-boots. Thats why the yokomo guys used that pistion shockoil combination i think.

evertonal 26-01-2013 01:51 PM

Build
 
Finished my B-Max 2MR build yesterday, got to say it was a pleasure to build and went together very easily. Can't wait to race it next Sunday.

Craig W 26-01-2013 03:57 PM

Quote:

Originally Posted by evertonal (Post 737921)
Finished my B-Max 2MR build yesterday, got to say it was a pleasure to build and went together very easily. Can't wait to race it next Sunday.

thats gd to hear

discothesnake 26-01-2013 04:08 PM

1 Attachment(s)
Mine all finished. Quick rattler shell while I wait on pro painted one.

Hope it goes as well as it went together.

s22jgs 26-01-2013 04:54 PM

gave car it first run today.
Very nice indeed.

Just need to get hold of one of the narrow bulkhead arm braces. Don't get why its not included in the kit when you get both bulkheads. Not in stock anywhere either which is slightly annoying.

Found I had a little understeer so moved the steering knuckle spacer to above so it dropped the axel 1mm which made a big improvement.
Think ill remove one spacer from front shocks too.

Does anyone know what weights the team drivers and using in the bulhead?

Rayzerp 26-01-2013 06:36 PM

Quote:

Originally Posted by discothesnake (Post 737990)
Mine all finished. Quick rattler shell while I wait on pro painted one.

Hope it goes as well as it went together.

Looks great.....just finished mine and looking forward to trying it out tomorrow :thumbsup:


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