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Build Thread RC10 B6.3 - Carpet racing?

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Checking our classes
https://www.norcalhobbies.com/race-classes/

Rookie is open for whatever, but you get kicked out quick if you win twice. After than I would be in modified, unless I swap to a 17.5T motor, which is probably way over my head.

After a bunch of practice I will probably go to 17.5T class.

Other than weight are there other restrictions?
 
Checking our classes
https://www.norcalhobbies.com/race-classes/

Rookie is open for whatever, but you get kicked out quick if you win twice. After than I would be in modified, unless I swap to a 17.5T motor, which is probably way over my head.

After a bunch of practice I will probably go to 17.5T class.

Other than weight are there other restrictions?
Rules just say roar 17.5, blinky ESC and min weight. Idk if they have a min ride height? I know some carpet tracks do
 
Went to the track today and the ESC took a dump about 5 laps in. :mad:

So a bit the bullet and went to the spec stuff early.

17.5 Turn - Team Powers Actinium V6S Stock Spec Motor
The picture says 13.5T but it's 17.5T

1771120055664.webp



Hobbywing Xerun XR10 Stock Spec G2 1/10 Sensored Brushless ESC
It's sooo tiny.

1771119976963.webp



Of course going from a 4.5T motor to a 17T motor meant 16T/81T pinion/spur was wrong

1771119800115.webp


https://www.amainhobbies.com/team-a...asc92293/p1261050?v=1257247#tab-compatibility

1771119843184-webp.469929


Runs much better now.

It's all pretty fancy stuff and I have some learning to do on that setup.

Laps were much better. Got some clean laps and jumps were the hardest part. A small distraction and you're all sideways and upside down.

Figured I would do some marshelling for everyone at the end of the day since they were nice encough to flip me over a whole bunch of times.

Holy cow, that's a lot of work. I broke a sweat!
 
Went to the track today and the ESC took a dump about 5 laps in. :mad:

So a bit the bullet and went to the spec stuff early.

17.5 Turn - Team Powers Actinium V6S Stock Spec Motor
The picture says 13.5T but it's 17.5T

1771120055664.webp



Hobbywing Xerun XR10 Stock Spec G2 1/10 Sensored Brushless ESC
It's sooo tiny.

1771119976963.webp



Of course going from a 4.5T motor to a 17T motor meant 16T/81T pinion/spur was wrong

1771119800115.webp


https://www.amainhobbies.com/team-a...asc92293/p1261050?v=1257247#tab-compatibility

1771119843184-webp.469929


Runs much better now.

It's all pretty fancy stuff and I have some learning to do on that setup.

Laps were much better. Got some clean laps and jumps were the hardest part. A small distraction and you're all sideways and upside down.

Figured I would do some marshelling for everyone at the end of the day since they were nice encough to flip me over a whole bunch of times.

Holy cow, that's a lot of work. I broke a sweat!
Marshal areas you want to learn. Might as well get to see everyone's running line while marshaling and see where they have speed on you. Walking the track, blowing the track is also an opportunity to learn it's secrets 😆
 
Marshal areas you want to learn. Might as well get to see everyone's running line while marshaling and see where they have speed on you. Walking the track, blowing the track is also an opportunity to learn it's secrets 😆

Definitely good advice.

The jumps are the hardest part for me.
 
Glad to see you get into it Jerold! I found the jumps the best part... fun! I sometimes wish they wouldn’t change the layout so often though.

Still learning carpet too so a ways to go for me as well. Thanks for posting about your journey.

IMG_4188.webp


You may have met Brandon already? He can help you with your shock situation.

PS. Any thoughts on running your Arrma at WSR?
 
Sorry bit of a long post.

I installed the front shocks and changed the rear spring cups to something shorter. This allowed me to get the ride height correct. Turned up the BEC to 7.4V voltage - the fan screams and the servo is a bit snappier.

Except for the front shocks and electronics, it's been <$10 parts. But I'm starting to have doubts. There are so many goofy things, with this car, missing screws, wrong screws, Frankenstein parts, I'm starting to think a clean slate might be a good call. The problem is that it's "almost there". It always "Just a few more parts" and I then find something else.

Seems like a lot of bad ju-ju with the B7 platform. I'm looking around for a 6.2-4 slider. Plenty of 6.3D versions, but if I'm changing, I want the carpet version. There 6.3 kit unopened on Ebay for $500, but I think that's a bit too much. We will see where that goes.

Went to the track again. I'm still not on pace with the other guys but I'm not in the way . . . as much either. Open practice time is also different than the chaos of racing. It was much more stable and I learned some things.

First, the Flysky Noble started squawking about low voltage. I thought it was the TX voltage. Put it on the charger and 3 hrs later, the TX voltage never went above 4.2V. I was scratching my head about that and figured out it was complaining about the RX voltage. Somehow, Disney magic or Gandalf wizardry, the Flysky Noble talks with the Hobbywing ESC and knows the voltage. I haven't figured that one out yet. But I learned something. ❓

1772348947553.webp


Also I set the cut off voltage on the ESC, which caused the problem. I set it to 3.7V, which I thought was like a normal ESC and 3.7V per cell, but it's 3.7V total. I ended up running my battery down to ~6V (2S). Crap. That was close, hopefully I didn't damage the battery. It charged up to 3.7V pretty quickly and is holding steady. I do number my batteries so I know which one it is.

1772348923206.webp
 
There’s a lot of magic in these modern electronics!

Serious question, what’s going to be different about a new kit? Still lots of tuning to be done and things to upgrade and change. Top drivers often sell their previous season’s cars, that could be a place to start if you’re looking for a proven, stable platform.
 
There’s a lot of magic in these modern electronics!

Serious question, what’s going to be different about a new kit? Still lots of tuning to be done and things to upgrade and change. Top drivers often sell their previous season’s cars, that could be a place to start if you’re looking for a proven, stable platform.

Good question. A new kit won't be a Franken-buggy. A used one it's possible. For example. I replaced the front bulk head and found the screw holding the front wing were M2x6 steel and M2x4 stainless. Also the front hing pin M2s were wrong too.

Right now everything works; however, if I want to be 100%, I need some parts. My list is short, but a donor car (or make this the donor car) would certainly help alot. A new kit would be a fresh start.
  1. Transmission case has stripped holes. Got a new case,
  2. Gear Differential. Got this is already.
  3. Might need bearings, top shaft and idler.
  4. F/R swarybars are non-existant, would be nice
  5. Motor plate needs replacing. I have one.
  6. Servo mount is wrong. It's functional but it's not the right one.
  7. Rear shocks are not likely TA, might be Losi or something else? They are 12mm.
  8. Shock bushings are worn.
  9. Missing the slipper clutch outer spring adapter.
  10. It's missing all the "extra parts" you get for tuning.
  11. Slop in the front hubs (possibly caster blocks or axles).
  12. Caster block spacers are missing
  13. The single "Chassis weight" are aluminum because this is the dirt version. The forward one is non-exisitant.
  14. M3x3 set screws that hold the front hinge pins are on vacation
  15. M2x3 screws that hold the front hing pins are two different sizes.
  16. All the ball studs and/or what they mount to are questionable.
  17. Plus what every screws are missing or wrong.
This is all about $300 in parts that I can see to get it near 100%. I think to continue down this road, it's at least $100 more.
 
I pulled the trigger and upgraded to a new(er) buggy.

It's he B6.3 2 carpet version. This is a local buggy (norcal) and looks well kept, has most of the extra parts with the kit, including the box and original manual. Should be here Sat.
1772516348517.webp

https://www.ebay.com/itm/257375863141
 
You should buy mine and start a rental company! 🤔🤣

The buggy you bought looks to be in pretty great shape! I would expect far fewer problems this time around.
With a clean example to work from, repairing the franken-buggy should be much easier too. 😎👍
 
Did some work this weekend
  • Extended the chassis +3mm
  • Sway bars front and rear
  • Newer tires
  • Newer rear wing
  • New to me body
  • Correct servo mount with CF top
  • CF motor plate
  • B7 fan mod
  • Anodized aluminum wing buttons
  • Carbon fiber battery tray
  • 90° battery connectors
  • F/R 12mm shocks
  • Flysky FGr4D (no antenna wire)
In case you didn't do the math it's a new to me buggy, referenced above.

I move over servo, ESC, motor & fan, added rear shock tower protectors,

1773013767219.webp

1773014187329.webp

1773014162467.webp

1773014209191.webp


1773014229608.webp
 

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