09-18-2023, 10:22 PM | #1 |
Rock Crawler Join Date: Apr 2015 Location: San Marcos
Posts: 676
| Fallen's Tamiya BBX
First things first; the BBX is really fun to drive. Now, being a Tamiya I have it underpowered, and find it very fun to drive like that. I'm using a Tamiya 540 silver can brushed motor with a 20T pinion. This probably tops out around 15MPH. But in a small space, it's a blast to drive. And since this is a smaller buggy, you wouldn't want to drive this in a large space anyway. Once this buggy is about 30 feet away, you lose all the details that make it so neat. The factory suspension settings are pretty good too for low speed performance over rough terrain. It's a very planted buggy that sticks to the ground and handles small jumps very well. Onto the photos already! I painted the roll cage and suspension components with Krylon Fusion, metallic dark gray. This was to add some metallic sparkle to them. The cage looks nice without the body panels, but looks better with them. I never intended to install the stock tires. This being a scale version of a late 70s / early 80s desert buggy, I wanted a tire that would match. Unfortunately no one makes a BF Goodrich A/T small enough. The stock tires are 3.5" OD and I didn't want a 4.19". I went with the good 'ol Dirt Grabbers which are 3.8". The stock wheels are 1.9s by the way. I painted the panels with Tamiya Metallic Blue. It's slightly brighter than the color the manual calls for. I've used it on lots of bodies and I really like it when backed with a light color. I stickered the panels according to the manual. Low profile steering servo installed with no servo saver. ESC: The stock one that came with an old Tamiya M05 chassis. Since that Tamiya ESC doesn't have a LiPO cutoff for the right voltage, I use these low voltage alarms, tucked under the driver figure. And powering the 6 LEDs is the MyTrickRC HB2. Taped to the underside of the "hood" panel. Speaking of LEDs... And finally, I used Axial's plastic Walker Evans wheels glued to the Dirt Grabbers. Due to a mistake Tower Hobbies made, I ended up scoring this kit for $160. And once again, it is a lot of fun to drive. The scale off-road experience is on point with this one, similar to how my UDR felt. Obviously this thing should be run in much smaller spaces than a UDR, but if you stick with that it really is a fun buggy. My 5 year old son did the same thing I did with it: drive it around the backyard staring at it until the battery hits low voltage. Then charge another battery... Buy one! Or buy two, and send me the spare. |
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09-19-2023, 07:40 AM | #2 |
I wanna be Dave Join Date: Sep 2011 Location: Douglassville, PA
Posts: 4,227
| Re: Fallen's Tamiya BBX
Very nice!! Such a cool looking buggy. Mine just showed up last week, just waiting for a nice quiet day to get to work on it. |
09-19-2023, 07:41 AM | #3 |
I wanna be Dave Join Date: Jan 2016 Location: california under the rock im crawling on
Posts: 4,291
| Re: Fallen's Tamiya BBX
There's something about those Tamiya kits there vary satisfying
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09-19-2023, 10:11 AM | #4 |
Rock Crawler Join Date: Apr 2015 Location: San Marcos
Posts: 676
| Re: Fallen's Tamiya BBX
Thanks! In standard Tamiya form, the instructions are clear and the build is pretty straightforward. Plus, the finished product is a scale looking and performing buggy. OSRC, add 3 O-rings to the bottom of your rear shock shafts before you attach the rod end. That keeps the shocks from compressing too much and allowing the driveshafts to pop out of the drive cups. The steering on these buggies is very precise. It makes for a very predictable buggy. Even on loose dirt, my 5 year old son could control it well and keep the front wheels in front. I don't think the slipper clutch is a necessity, though I'm sure it adds adjustability. |
09-19-2023, 07:37 PM | #5 |
Slow is the new Fast Join Date: Nov 2013 Location: Winterpeg
Posts: 2,906
| Re: Fallen's Tamiya BBX
Such a cool looking buggy. Nice job with paint and lighting, it looks great. Such a tempting kit. I haven't built a Tamiya buggy since I was a kid
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09-20-2023, 11:10 AM | #6 |
Quarry Creeper Join Date: Jun 2007 Location: Los Angeles
Posts: 442
| Re: Fallen's Tamiya BBX
I love the look of those tires, did you have a chance to compare them with the stock ones? I tried them on a 2WD buggy (on loose dirt) and they were not ideal, still fun to drive.
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09-20-2023, 08:35 PM | #7 |
Rock Crawler Join Date: Apr 2015 Location: San Marcos
Posts: 676
| Re: Fallen's Tamiya BBX
Thanks Smog! If you buy one, you'll be pleased with it. Fortunately since its a Tamiya, there's no hurry. 50 years from now Tamiya will still be selling them. I haven't tried the stock tires for comparison. But I've run several sets of Dirt Grabbers on different types of cars. They're not a performance tire. If I had a brushless motor with a big pinion gear, my BBX would be uncontrollable with these Dirt Grabbers. If shaving seconds off of lap times is the goal, these tires are not what you're after. They perform OK if you don't ask too much of them. And they're good if you run on multiple surfaces... concrete, grass, dirt. I use my BBX mostly on loose dirt, and these tires have been great so far. I've also done a little road driving with it, which is also fun. But once again, my BBX is underpowered and I enjoy it like that. |
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