1/24 printed pan cars

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2wdMod

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Location
Jackson, MI
RC Driving Style
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Hey all My name is Chad.. I'm into 3d printed Mini and micro scale cars .. One of my recent projects was to design a performance 3d printed 1/24 pan car.. Kind off a "half-1/12 " type of project.. So I went into it with 25 yrs on road pan car racing experience and went with design attributes from my favorite cars over the years.. In testing I went with a torsion link design in the rear , and a static camber/caster direct coil spring style suspension similar to the suspension found on a mid 1980's associated rc12i .. Not very tunable, but VERY reliable and predictable.. The cars weigh in at around 145 grams ready to run... For power system I have been running 1410 sized sensorless brushless systems on 2s.. Either 2500 or 3500kv motors depending on track size layout.. The cars are designed with choice of gear diff or ball diff build.. The cars are 1/24 . Running a 104mm wheelbase , and a 79mm track width .. The goal was to print as much of the car as possible while still maintaining the highest performance I could with a printed car.. The result has been a TON of fun testing and racing with friends..
20211229_115319.jpg
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Here is a link to some action running laps..
 
Welcome to the forum! That is absolutely awesome! I would love to have a little 1/24 pan car to race around my house!
 
That would be cool there is a ton 3D body options out there too.
 
Oh they are a blast dude!! Its like a mini-z on steroids running on 2s..
Welcome to the forum 2wdMod. What you have done with this 1/24 pan has so much potential. The concept is scalable. 'AC'
I am working on scaling it to 1/18 next .. pretty much what needs to be changed is bearing sizes , and tooth pitch on the spur gear , diff gears .. here is what the scale difference looks like from 1/24 to 1/18
20220110_213804.jpg
 
As RC hobbyists, what we are witnessing here and elsewhere with the introduction of 3D printing is a paradigm shift in the hobby. As big as, if not bigger, than the move from brush to brushless motors. 'AC'
I agree. This project has only taken me about 2 months via printing .. It makes prototyping so fast !!Previous to getting my printers I was prototyping via machining with a CNC router and lathe..
 
Here is a couple little 1 1/18 scale rats I did
 

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Very Nice man!! Here is another of my 1/24 designs.. have done 65mph with this one..
View attachment 142699
Oh heck yea now we are talking..
The rats 🐀 I did plastic molds. Haven’t bought a 3D printer yet. Would like to get into it though one day. They are fair price for most part
 
Oh heck yea now we are talking..
The rats 🐀 I did plastic molds. Haven’t bought a 3D printer yet. Would like to get into it though one day. They are fair price for most part
as a Machinist I fought printing parts for WAY too long.. It was new stuff to learn so it was scary.. after I got my feet wet and realized how much easier it is than machining , oh it was ON!! I have even printed Molds for casting tires at this point.. LOL a few years ago I would have spent a week machining and polishing molds out of aluminum, now its about 6 hours of printing to make the same mold..
20211227_104337.jpg
 
Welcome, I am tongue tied as to what to say first! These are freaking awesome! Really nice design and performance. And you know it's even cooler to know you designed and made it yourself. Really looking forward to seeing more of your work. 😍
 
Thanks guys , I am really glad I found this forum , you guys have a good bit of cool stuff happening here! Last bit of eye candy for the day is some video of one of my 1/24 drag cars hitting a 65.2 mph GPS confirmed pass.. just printed out of standard old PLA + BTW..
 
Holy crap. That thing is a rocket.

New subscriber 😉
Yeah the speed run car moves out!! Thats a 1410 size 9500 Kv on 3s geared at 3.33:1 FDR.. I know its possible to hit 70 , but my issue is getting tires to hold together past the 65.2 you see in the video.. and that pair of tires is already custom made to withstand that.. They are some 1/24 drag slot car foams capped with some 1/24 short course tires to hold the foams together and get some bite on asphalt. The foams by themselves hold together to about 60 mph. Capping them got me to 65.2.. the next step is belting the tire carcass to fight centrifugal forces..
 
Yeah the speed run car moves out!! Thats a 1410 size 9500 Kv on 3s geared at 3.33:1 FDR.. I know its possible to hit 70 , but my issue is getting tires to hold together past the 65.2 you see in the video.. and that pair of tires is already custom made to withstand that.. They are some 1/24 drag slot car foams capped with some 1/24 short course tires to hold the foams together and get some bite on asphalt. The foams by themselves hold together to about 60 mph. Capping them got me to 65.2.. the next step is belting the tire carcass to fight centrifugal forces..
Very cool!! I’m liking this thread
 
Happy Monday guys! I figured I would link to the build video on the pan car for those who like to see the build process.. So here is the entire build process , from building the rear axle to taking laps..
 

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