3D Printable Front Bumper for 3S & 4S Rigs

[suchtragedy]

Watch a movie

Rated A for Arrma

 

[Stevenj76]

Damn this thing is hairy. Gonna have some post work when this finishes.

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What will it weigh Jon

 

[jondilly1974]

Ok it fits real nice ??

I can bend the sides up but it takes pretty much all my hand strength to bend it this far. I gotta go bang it around tomorrow and see how it holds up, but so far so good.

What will it weigh Jon

Lol I gotta pull it back off now ???

 

[Aive]

Looks awesome 6S rigs here you come??

Did you use the stock ender extruder and hot end to do the TPU? If so, well done - I've read the stock stuff struggles with flexibles.

Edit: Maybe a hard plastic (RPM/TB) skid plate on the underside to sandwich it in place? Underside area and screw mounting points might be the weak points for flexibles?

 

[jondilly1974]

What will it weigh Jon

Looks awesome 6S rigs here you come??

Did you use the stock ender extruder and hot end to do the TPU? If so, well done - I've read the stock stuff struggles with flexibles.

I have the EZR Struder but stock hot end. I had issues first few attempts with ooze around the nozzle. My PTFE tube was a little charred and split at the nozzle. Fixed that and then had bed adhesion issues. Thought it was Z offset issues, but the bed was too clean. TPU will only stick to my glass bed if I use hairspray. If it’s clean, it won’t stick well. Now if I could just get the stringing under control I’d be very happy. ??

 

[Camaroboy383]

Looks awesome 6S rigs here you come??

Did you use the stock ender extruder and hot end to do the TPU? If so, well done - I've read the stock stuff struggles with flexibles.

Edit: Maybe a hard plastic (RPM/TB) skid plate on the underside to sandwich it in place? Underside area and screw mounting points might be the weak points for flexibles?

small piece of ptfe inserted into the extruder, cut at an angle on both sides, and slid into the space between the extruder hobbed gear and pulley is all it takes for any creality printer to print flexibles... ? no struggles.. ?

View attachment 74942

I have the EZR Struder but stock hot end. I had issues first few attempts with ooze around the nozzle. My PTFE tube was a little charred and split at the nozzle. Fixed that and then had bed adhesion issues. Thought it was Z offset issues, but the bed was too clean. TPU will only stick to my glass bed if I use hairspray. If it’s clean, it won’t stick well. Now if I could just get the stringing under control I’d be very happy. ??

start adding retraction until it goes away, i run up to 12mm at times depending on the filament..after the travel move is complete, if its starved at the start, begin adding nozzle prime value.. ?

 

[jondilly1974]

small piece of ptfe inserted into the extruder, cut at an angle on both sides, and slid into the space between the extruder hobbed gear and pulley is all it takes for any creality printer to print flexibles... ? no struggles.. ?



start adding retraction until it goes away, i run up to 12mm at times depending on the filament..after the travel move is complete, if its starved at the start, begin adding nozzle prime value.. ?

I have some wing mounts to practice on ????

 

[jondilly1974]

Well, I put the bumper thru the paces today and it did OK. I need to tweak the oval in the triangle a bit, but otherwise it held up perfectly.

 

[Uplift-RC]

Hey guys, with all this downtime I've been working on designing stuff. Well the other great need IMO is a decent front bumper for the 3S and 4S rigs. With my driving skills, a good bumper is essential. Anyways, below are some pics, video, and an STL file.

Huge shout out to @Camaroboy383 for his front tower design!

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@jondilly1974 - When are you going to start selling them mate? I think as of now the #TBoneRacing is the best for the #3s #Typhon

!

 

[schneidp20]

Nice work! It'll be interesting how it holds up. Please report back. I've been 3D printing for a little over a year. I have found that you need to design around the limitations of 3D printing for structural parts. If something is going to break, it's the vertical post. I'd make that a separate part so you can print it flat and it would be a lot stronger.

This is still on-topic, but here is a 3D printed bumper for a granite 3s BLX. This is nothing compared to what you designed, but I thought I'd mention it. If you break your spring, it's about a 1 hour print to fix it. I'm printing these in nylon, but I still manage to break them, but better that than the shock tower!
https://www.thingiverse.com/thing:4144767

 

[Povoledo]

I like how it utilizes the stock bumper mount on the front of the car. Well done! Now I just need to get myself a 3D printer....

Awesome work!!!

 

[jondilly1974]

@jondilly1974 - When are you going to start selling them mate? I think as of now the #TBoneRacing is the best for the #3s #Typhon

!View attachment 75464

I don’t think I will ever sell these. You are free to print them yourself. If someone wants to print one for you and mail it to you, they are free to use the design to do so. I ask that they only charge actual cost if doing so. I shared it so others could save money.

Nice work! It'll be interesting how it holds up. Please report back. I've been 3D printing for a little over a year. I have found that you need to design around the limitations of 3D printing for structural parts. If something is going to break, it's the vertical post. I'd make that a separate part so you can print it flat and it would be a lot stronger.

This is still on-topic, but here is a 3D printed bumper for a granite 3s BLX. This is nothing compared to what you designed, but I thought I'd mention it. If you break your spring, it's about a 1 hour print to fix it. I'm printing these in nylon, but I still manage to break them, but better that than the shock tower!
https://www.thingiverse.com/thing:4144767

I’ve oddly never actually broke the bumper spring. ??‍?

 

[Pat_ranch]

@ABabyEater

 

[Mrbojangles]

Did you end up making a new version with a thicker brace up top where it broke? Or did you move on to another design altogether?

I think I'm convinced I need a 3d printer

 

[Uplift-RC]

Well, I put the bumper thru the paces today and it did OK. I need to tweak the oval in the triangle a bit, but otherwise it held up perfectly.

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What kind of Badlands are those?

 

[jondilly1974]

What kind of Badlands are those?

MX28

 

[Uplift-RC]

MX28

Which ones will fit on my 17mm hex for my 3s Typhon.??
https://www.prolineracing.com/1-10-monster-truck-tires/

 

[jondilly1974]

Which ones will fit on my 17mm hex for my 3s Typhon.??
https://www.prolineracing.com/1-10-monster-truck-tires/

Tires: https://www.prolineracing.com/tires/badlands-mx28-2-8-all-terrain-tires-mounted-raid.asp

17mm inserts: https://www.prolineracing.com/accessories/6x30-to-17mm-hex-adapters.asp

 

[Mrbojangles]

Did you end up making a new version with a thicker brace up top where it broke? Or did you move on to another design altogether?

I think I'm convinced I need a 3d printer

Can you link the updated design? Looks different than the original post?

 

[benpeirce]

just made this guys
https://www.thingiverse.com/thing:4809538