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Old 03-13-2017, 12:03 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Tekno RC EB48.3 Thread
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Welcome to the EB48.3 Wiki


What option parts should I consider buying with a new kit?
None are required but we recommend the following:

Springs:
Low Grip Track:
TKR8772 – Yellow Low Frequency Rear Springs and TKR8762 – Grey Low Frequency Front Springs

Low to Medium Grip Track:
TKR8773 – Orange Low Frequency Rear Springs and TKR8763 – Black Low Frequency Front Springs

Medium to High Grip Track:
TKR8774 - Red Low Frequency Rear Springs and TKR8764 - Pink Low Frequency Front Springs

TKR5199B – HRC Rear Hubs (L/R, CV or uni, EB/NB/ET/NT48/48.3) - Improves stability of the rear on mid to corner exit. Able to be on power earlier on corner exit.

TKR6146 - CNC Delrin Shock Cartridge Set

TiNi Shock Shafts
-TKR6017T (front)
-TKR6061T (rear)

This car is very durable. Here are the spare parts that I recommend you keep on hand:
TKR5020 – Hinge Pins (inner, front/rear)
TKR6061T – Rear Shock Shafts w/ TiNi Coating and TKR6017T – Front Shock Shafts w/ TiNi Coating
TKR5286 – Front Suspension Arms and TKR5184 – Rear Suspension Arms
TKR5194 – Spindle Carriers
TKR6009 – Shock O-Ring and Bladder Set (for 2 shocks)

Tips and Tricks

List of Vehicle Setup Adjustments and Build Tips can be found here. There are several videos and articles detailing the building of shocks, diffs, camber links, etc.

Page 3 Step K-3
Put the screw in upside down so that the head of the screw is in the hex spot that's molded into the spindle. This will aid in clearance in full droop / full steering.

Page 12 Step I-2
Use no less than 4 shims on the steering spindle to limit steering throw. I actually just use one 2mm ball stud washer from my 10th scale stuff since each shim is .5mm.

Setup Sheets:
Setup sheets for all Tekno RC vehicles can be found here.

Warranty Policy:
Tekno RC is the only company in the industry that will give 50% off of parts if returned to them using the General Warranty return policy found on their website. The parts can be lightly used or completely abused, as long as the part is still being produced it's covered!

Piston Drills:
Some of our setups recommend using pistons that are enlarged. For instance 4x1.9 or 3x2.0. To drill the pistons we recommend the following:
GMK Supply Piston Drill Set
16PC Metric Bit Set Metric Sizes 2.00 to 3.00 MM.

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Old 08-15-2016, 07:45 AM
  #2071  
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Originally Posted by crash n go
FYI you can link your 2s batteries together but it raises the cg of your car aND I wouldn't recommend it. Also the rule of thumb to determine minimum c rating is esc amp rating devided by battery capacity devided by 1000. Ex: 210 amps (peak amps on rx8) / 6000 mah / 1000 = 35c.
thanks, i didn't know about that rule of thumb. good to know.

most of my 2s are inboard, i have 1 i think that is deans, but it is different C and Mah. the mugen can do side by side batts right? i cant stack my hardcase inboards. ]:

ill just have to invest in some of those SMC batts once i get my eb48.3 (which is sooooon!!!)
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Old 08-15-2016, 10:35 AM
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You guys are seriously over thinking the batteries. go look up SMC 6500 batteries. See how much they weigh. Make your batteries as close to that number (or just buy the SMC ). Spend more time practicing and less time micromanaging batteries.
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Old 08-15-2016, 11:09 AM
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I'm not over thinking it, I'm just saying all I current have are inboard 2s since I just have sct's. I am going to buy smc 6500s when I get my tekno since they are a great value. I was trying to get a feel of what C rating I need for 4s, sincr they are new to me.
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Old 08-15-2016, 12:53 PM
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Originally Posted by deceit
I'm not over thinking it, I'm just saying all I current have are inboard 2s since I just have sct's. I am going to buy smc 6500s when I get my tekno since they are a great value. I was trying to get a feel of what C rating I need for 4s, sincr they are new to me.
lol it's cool. C Rating means nothing anyway because there is no standardization. SMC wrote a good article about this before. Do a quick google search and you'll find it.

Cliff notes:

Brand A offers 100C
Brand B offers 90C
Brand C offers 60C
Brand D offers 40C

Brand D has more power and punch than Brand A and B. You just simply can't compare them. Pick a brand you feel treats you well and offers you a good product. Don't get too wrapped up in C Rating. Especially in 8th scale where everything is way over powered anyway.
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Old 08-15-2016, 01:22 PM
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Ok, I bought a Losi SCTe used back in April, and it came with 3 batts (2s, ranging from 20c-40c and 5000-7200). They were all used mind you, but after running the truck twice with each battery, they melted the inboard terminals off, and cracked the sides of the hardcase. I went and looked at the SCTe forum, and everyone said to get a cap pack, and to run 2s 50c+ for SCT's cause of the weight/kv etc.. so I did, with GensAce 70c packs, and haven't had an issue. Thats the only reason I really asked. I know thats not a good source of testing, considering they were used, and no cap pack.. but still. haha. It does sound like 1/8 are a lot more forgiving with C rating anyway.

Also, one more question. For the 1/8 setup, I plan on using my RX8g2 and a Tekin 1900kv. Do I need 10awg for that? or will my Tekin 12awg be okay? I see that the 4s batts use 10awg.. so wasn't sure
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Old 08-15-2016, 01:28 PM
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Originally Posted by deceit
Ok, I bought a Losi SCTe used back in April, and it came with 3 batts (2s, ranging from 20c-40c and 5000-7200). They were all used mind you, but after running the truck twice with each battery, they melted the inboard terminals off, and cracked the sides of the hardcase. I went and looked at the SCTe forum, and everyone said to get a cap pack, and to run 2s 50c+ for SCT's cause of the weight/kv etc.. so I did, with GensAce 70c packs, and haven't had an issue. Thats the only reason I really asked. I know thats not a good source of testing, considering they were used, and no cap pack.. but still. haha. It does sound like 1/8 are a lot more forgiving with C rating anyway.
Not sure what a cap pack is, but 4wd SCT is horrible on electronics. The amp draw by them is outrageous because of their weight.

What really needs to happen is 3 cell batteries with smaller KV motors. Then the amp draw will be closer to what you see in 8th scale and the batteries won't basically be garbage in a few runs. But that will never happen and is an argument for another time.
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Old 08-15-2016, 01:47 PM
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Ive noticed.. seems to wreck my batts, and hoping it doesn't hurt my Tekin.. Once I get my 1/8 ebuggy setup, I doubt ill mess with my SCT much...

But ever since i added the cap pack to it, its seems to be doing a lot better.

https://www.amainhobbies.com/hobbywi...030030/p279139
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Old 08-15-2016, 01:48 PM
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Originally Posted by deceit

Also, one more question. For the 1/8 setup, I plan on using my RX8g2 and a Tekin 1900kv. Do I need 10awg for that? or will my Tekin 12awg be okay? I see that the 4s batts use 10awg.. so wasn't sure
12 will be fine. You'll have an issue getting 10 fully on the rx8's solder posts. so the extra thickness is a waste.
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Old 08-15-2016, 01:50 PM
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lol what ezlight said

Last edited by Cain; 08-15-2016 at 01:50 PM. Reason: beaten to the punch!
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Old 08-15-2016, 03:44 PM
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I tried using 10 on my SCT410.3, and it wasn't happening.. lol, so i went with the tekin 12awg.. good to know!
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Old 08-15-2016, 05:04 PM
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got to run the buggy again this weekend but instead it was on a smaller 1/10th scale track since the bigger one is getting rebuild currently. Again i was pleased with how the buggy was driving from the box set up but i knew it could get better. SOOOO i decided to buy a 3, 5, 7, 10, 12k diff oil and shock oils differing from 300 to 750(all from PTRC) along with the 3x2.1 tapered pistons in case the tracks get rough. Also I got another body so i can try to not mess it up like my last one. Lastly i purchased the delren shock cartridge set paired with the TI Nitride shock shafts. Hopefully all the above sets me up for just about any track.. i know tires are a very key aspect too but those obviously vary from track to track. Im heading to Thunder Alley and possibly OCRC in two weekends so i wanted to be ready for either.

i also finished reading this thread so i think ive got a pretty good understanding of this buggy and hopefully i can get this thing figured out without too many questions. If anyone has suggestions or maybe something i missed let me know! Maybe someone in this thread will be at TA or OCRC that weekend of the 2nd

Last edited by SLO county race; 08-15-2016 at 07:57 PM.
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Old 08-15-2016, 06:33 PM
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Originally Posted by deceit
I'm not over thinking it, I'm just saying all I current have are inboard 2s since I just have sct's. I am going to buy smc 6500s when I get my tekno since they are a great value. I was trying to get a feel of what C rating I need for 4s, sincr they are new to me.
You can stack the inboard batteries as well. I used to run two shorties stacked with inboard connectors. Stack them offset make a wire that goes from one of the batteries positive terminals to the other batteries negative and plug your esc into the remaining terminals. Still like the 4s better but if your budget is tight it works.
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Old 08-15-2016, 06:37 PM
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Do they need to be identical? They are all 70c, but some are different mah.. still looking into getting 4s, but curious about how that works with 2s
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Old 08-15-2016, 06:57 PM
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Yes, you do want identical 2s batteries. Ideally you want the same batteries purchased at the same time. But at least the same brand/specs.
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Old 08-15-2016, 07:02 PM
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Figured, all my 2s are the same brand and roughly same use... But not all the same mah... Ill just invest in 4s and not mess with my sct batts
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