Some parts I made.

[Samuel Hagan JR]

Prop go-no-go gauge for our P and Q limited classes.


Receiver holder.

 

[Grimracer]

Nice work!

 

[Zach Davis]

Nice,
I just ordered a 3d printer and I am really excited to start messing around with it. Great job.

 

[Samuel Hagan JR]

I love it. I wish I took cad design in school. Still have lots to learn. I got some PETG in today. Gonna play around with it once I get it going.

 

[the german]

Guy's
Here is a link to a really good forum for 3D printing.
https://3dprintboard.com/
Also a free CAD design software . There are tons of tutorials on Youtube.

https://www.freecadweb.org/

Alex

 

[Grimracer]

not as cool and not as fun.. and off topic.. but they did turn out nice

 

[Samuel Hagan JR]

Do you guys think PPLA or PLA+ will be good enough for what we use on boats or should I just go with PETG. I finally got PETG printing good.

 

[Grimracer]

If you are talking about parts that you WILL USE in your nitro boat.. then PETG is worth a go as well as ABS.. In a FE boat likely less of an issue.

I would not use PLA in anything but just static parts. (opinions may vary)

Grim

 

[Grimracer]

having said the above.. if you are going to be making RX mounts and all that.. I would use TPU.. you can get some FANTATIC parts from TPU and Polymaker is about the best..

Grim

 

[Samuel Hagan JR]

Thanks for the reply. I’ll look into TPU.

 

[Samuel Hagan JR]

Do you think TPU will do with Nitro and Gas.

 

[longballlumber]

I have used the same approach as Grim. For static parts and parts that see little to no stress; I use PLA. For functional parts I use PETG. PETG has a better chemical resistance than PLA. I also find that PETG has a better elasticity (maintain its original shape after being compressed or stretched). think of boom tube collars or mechanical clamping type parts.

TPU is more of a rubbery type of material that usually rates around the 90's on the durometer scale. Grim suggested TPU specifically for the RX mount because of it's isolation capabilities. My suggestion would be to make a tray like you've done out of a rigid type material (PLA, PETG, or ABS). Then make an "insert" out of TPU that would provide the isolation properties for the RX.

I have never printed in TPU.

 

[longballlumber]

Here are some examples of parts I have made. I try and only use printed parts in low stress areas.

I also find it VERY valuable for fixtures, drill jigs, etc...

One isn't the picture of the actual part, but an image of the CAD model. It was a vertical servo mount I did for a friend and it seems to be holding up so far.

 

[Samuel Hagan JR]

I like the idea of rubber isolators better then the hole thing.

 

[Grimracer]

3D printing is weird..
A few rules
Print taller then using the foot print of the bed if you can.. printing is much happier when you print up!
this is the best bed glue I have used (at least the cheap stuff)
Amazon.com: 3D Printer Glue Sticks PVP Solid Glue Sticks for 3D Printer Hot Bed Removing Printing Models(6 Pieces) : Industrial & Scientific

Ninja Flex TPU is not as easy to print as Polyflex.

Lighter colors area easer to tune that dark

Cura is a great slicer

If you can make the part "blocky" you will have a better part

Add or subtract about .010 to the size of a fit.. (Cura has a setting for this but its "not Great"

Add a raft anytime you can.. Yes it takes longer BUT.. it make for a MUCH more accurate part. (Yes.. even with TPU)

Grim

 

[Nigtmare]

with PETG you need temps of 246 and 86 on the bed. On glass clean with alcohol

 

[Grimracer]

new TPU tank mount going on the printer tonight.. will report back

 

[Samuel Hagan JR]

I printed with PETG last night and the part didn’t come out very clean. I need to try and make some adjustments to the print setup.

 

[Nigtmare]

I printed with PETG last night and the part didn’t come out very clean. I need to t
View attachment VID_20170127_151605.mp4
ry and make some adjustments to the print setup.

try the heat I put above and clean glass for petg it works

 

[Grimracer]

On its way.. Polymaker TPU 93A