Build: Project "Carbon FiberTeam"

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MMoelmann

Active Member
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Location
Illinois
Arrma RC's
  1. Fireteam
  2. Granite
  3. Mojave
  4. Notorious
  5. Outcast 8s
  6. Talion EXB
  7. Typhon 6s
In my opinion the Fireteam is overweight and underpowered out of the box. It is time for an upgrade but I wanted to do it different. I could just put a bigger motor and M2C chassis and braces, but then I am upping the power but also increasing the weight. With the added weight I might not bend the chassis or towers, but I will break more arms and destroy the body on crashes. Instead I want to increase the power, but lower the weight.

I do plan on bashing this. I will just avoid landing it on concrete or sharp rocks.

Here is what I put in it:
  • Castle Mamba Monster X 8s
  • Castle 1717 1650kv motor using sensor
  • Carbon fiber chassis (5mm) from ebay
  • Basherqueen towers, top plate, ackermann bar
  • ebay carbon servo mount (same weight as stock plastic but stiffer)
  • ebay carbon tower to tower brace
  • Hot Racing F/R tower to tower brace mounts (5 grams heavier with both)
  • M2C rear shock tower brace (added 20 grams)
  • ebay aluminum F/R chassis braces
  • Lighten the body by removing the soldiers and replacing with mesh
  • DBoots Backflip 6s tires
  • Stock differentials with 50k/300k/30k oil
  • Removed E-Brake (104 grams)

So I found that the carbon chassis (with metal kickup) is actually 5 grams heavier than stock. But it is 5mm thick and so solid it feels like steel if I try to flex it. This feels like it can take a beating. Oh, and I superglued all the edges of the carbon parts to help prevent delamination which is why there is a white line from the glue drying.

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Next part, the shock towers saved 25g on the rear and 18g on the front

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Next the braces. I saved 31g on the tower brace, and actually saved 3g on the aluminum braces. I like that they actually have the little "pin" piece that fits into the chassis along with the screw.

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Top plate, I saved 6g. The Ackermann bar was the same weight as stock.

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I will keep this going on the next post.
Next is tires. I saved 9g per tire switching from the Fireteam to the Backflip 6s. 36g total.

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The stock body weighed 906g. The soldiers themselves weigh 238g. I removed the soldiers and put in a thick plastic mesh on the lower half of the body and a lighter, more open mesh on the upper half. After I completed it the body now weighs 718g. So I saved 188g on the body.

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Here is the car without the electronics.

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Here it is with the electronics.

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And here it is with the body on it.

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At the end of the day I ended up with the following numbers:

Beginning weight: 6,388g or 14.08lbs
Final weight: 6,049g or 13.33lbs
Total savings: 339g, 0.74lbs, or 5.4%

This might not sound like a lot of weight savings, but I greatly increased the strength of the vehicle, and put in larger and much more powerful ESC/motor.

I will get some videos of me sending it soon. Stay tuned...
 
In my opinion the Fireteam is overweight and underpowered out of the box. It is time for an upgrade but I wanted to do it different. I could just put a bigger motor and M2C chassis and braces, but then I am upping the power but also increasing the weight. With the added weight I might not bend the chassis or towers, but I will break more arms and destroy the body on crashes. Instead I want to increase the power, but lower the weight.

I do plan on bashing this. I will just avoid landing it on concrete or sharp rocks.

Here is what I put in it:
  • Castle Mamba Monster X 8s
  • Castle 1717 1650kv motor using sensor
  • Carbon fiber chassis (5mm) from ebay
  • Basherqueen towers, top plate, ackermann bar
  • ebay carbon servo mount (same weight as stock plastic but stiffer)
  • ebay carbon tower to tower brace
  • Hot Racing F/R tower to tower brace mounts (5 grams heavier with both)
  • M2C rear shock tower brace (added 20 grams)
  • ebay aluminum F/R chassis braces
  • Lighten the body by removing the soldiers and replacing with mesh
  • DBoots Backflip 6s tires
  • Stock differentials with 50k/300k/30k oil
  • Removed E-Brake (104 grams)

So I found that the carbon chassis (with metal kickup) is actually 5 grams heavier than stock. But it is 5mm thick and so solid it feels like steel if I try to flex it. This feels like it can take a beating. Oh, and I superglued all the edges of the carbon parts to help prevent delamination which is why there is a white line from the glue drying.

View attachment 288975View attachment 288973
View attachment 288976View attachment 288974

Next part, the shock towers saved 25g on the rear and 18g on the front

View attachment 288978View attachment 288979
View attachment 288980View attachment 288981

Next the braces. I saved 31g on the tower brace, and actually saved 3g on the aluminum braces. I like that they actually have the little "pin" piece that fits into the chassis along with the screw.

View attachment 288982View attachment 288983
View attachment 288984View attachment 288985

Top plate, I saved 6g. The Ackermann bar was the same weight as stock.

View attachment 288987View attachment 288989

I will keep this going on the next post.
Next is tires. I saved 9g per tire switching from the Fireteam to the Backflip 6s. 36g total.

View attachment 288993View attachment 288994

The stock body weighed 906g. The soldiers themselves weigh 238g. I removed the soldiers and put in a thick plastic mesh on the lower half of the body and a lighter, more open mesh on the upper half. After I completed it the body now weighs 718g. So I saved 188g on the body.

View attachment 288996View attachment 288995
View attachment 288997
Here is the car without the electronics.

View attachment 288999
Here it is with the electronics.

View attachment 289001

And here it is with the body on it.

View attachment 289002
View attachment 289003

View attachment 289004
She's gonna rip!!!!! I thought mine was a bit sluggish first couple times out. After losing a bunch of weight in the body and raising the punch up it now is almost as nuts as my Notorious.

You got me curious now what my final weight is. Gonna weight it tomorrow 😀
 
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Thank you! I also have Kraton hubs, stub axles, and hexes on the way to widen it.

Oh, and I have a sweet chassis skin on the way over from the UK to help with scratches to the carbon chassis.

Love your menu of CF and Upgrades!
Absolutely Delicious!!
200.gif
 
Curious on why Arrma lists it as 13.77lbs, will be whole different animal with the castle system and backflips none-the-less. Sweet build!
I'm not sure. I tried cleaning off the dirt before I took it apart and weighed it.
 
My buddy added the speed pinion on his and he walks my mmx8s 1650 in side by side race….
But how long until he overheats? Just throw a bigger pinion in yours and game over all day long
 
But how long until he overheats? Just throw a bigger pinion in yours and game over all day long
Yea true. He’s trying to prove how indestructible his is. Still running stock electronics w upgraded hubs and he gets hot af!! But still bashes the ever living hell out of it! Lol.
Sick build btw
 
Next is tires. I saved 9g per tire switching from the Fireteam to the Backflip 6s. 36g total.

You could shave another ~180g per wheel if you go down to MX 28 Belted......

364 - 180 = 164 * 4 = 656g = 23.4 ounces......

* By the time I finally buy a scale my FT will be <10 pounds. :p
 
You could shave another ~180g per wheel if you go down to MX 28 Belted......

364 - 180 = 164 * 4 = 656g = 23.4 ounces......

* By the time I finally buy a scale my FT will be <10 pounds. :p
Gotta keep the wheel weight up for air control and those sweet flips! 😎
 
Cool. I wish Castle’s battery leads were longer. They are comically short.
Yeah, I couldn't believe it when I took it out of the box.

By the way, I got the sensor cable that came with it to reach by feeding it through the center support. It has a tiny bit of wiggle room. I do have a longer one on the way from Castle just in case I want a little extra length.
Yeah, I couldn't believe it when I took it out of the box.

By the way, I got the sensor cable that came with it to reach by feeding it through the center support. It has a tiny bit of wiggle room. I do have a longer one on the way from Castle just in case I want a little extra length.
It's not attached in the picture above. I put it on after.
 
Got my chassis skin today. It actually feels pretty durable. I got it to help give a little extra scratch protection to the carbon chassis. Plus it will look bad ass when it is flying through the air.

I'm going to try to find a matching smiley squish ball to install as the driver in the body.

PXL_20230329_210242942.jpg
 
Got my chassis skin today. It actually feels pretty durable. I got it to help give a little extra scratch protection to the carbon chassis. Plus it will look bad ass when it is flying through the air.

I'm going to try to find a matching smiley squish ball to install as the driver in the body.

View attachment 289113

Doesn't that skin tuck UNDER the skid plate..
I'm the Front at least?
 
I just layed it on top. I will install it tomorrow. I just got it in the mail and got excited 🤣
 
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