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Mar 04, 2019, 10:56 AM
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I just have an issue with printing time for monocoque shells...even some small shells seem to take a loooong time...and time is money.....So looks like my main strategy is to still by foam but if i still like the plane enough after a crash (and havent been bitten by love for another design..) then ill use the 3d printer to repair it...... Just having a 3d printer churn out squadrons of planes in a short time frame isnt really reasonable
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Mar 04, 2019, 12:03 PM
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rpstar's Avatar
Quote:
Originally Posted by scousethief
Someone already trying to blend traditional methods with new techniques

Should work great as long as you don't use PLA. I can print PETG no problem so hoping it holds up well enough in the sun. Need to figure out what covering to use. I think I've got some Solarfilm I can try and see if it will stick before melting the PETG.
Mar 05, 2019, 03:48 PM
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Quote:
Originally Posted by rpstar
Should work great as long as you don't use PLA. I can print PETG no problem so hoping it holds up well enough in the sun. Need to figure out what covering to use. I think I've got some Solarfilm I can try and see if it will stick before melting the PETG.
What assembly method would you use for PETG parts?
Doesn't glue very well
PETG rivets?
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Mar 05, 2019, 06:10 PM
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Not tried a lot of gluing with PETG yet. I'm going to guess either epoxy or Clear Gorilla Glue will work but we'll see. Right now I'm getting set up with a filament dryer as my PETG always dries out too quickly (another hassle of PETG). I'm definitely not going to do any printed sheeting. I think the idea of petg for things like ribs, parts of fuse with balsa, carbon fiber rods, foam, and covering should be a good technique based on what I've seen others do. Full 3d printed though, no way.
Mar 06, 2019, 07:37 PM
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https://grabcad.com/library/thermalplex-dlg-20151118-1

https://3dwarehouse.sketchup.com/mod...rc-flying-wing
Last edited by scousethief; Mar 06, 2019 at 08:09 PM.
Mar 06, 2019, 09:05 PM
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Oh yes. Thanks very much.
Mar 06, 2019, 10:12 PM
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adgnade's Avatar
Error
Last edited by adgnade; Mar 06, 2019 at 10:24 PM.
Mar 07, 2019, 09:51 AM
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parajared's Avatar
I like the idea of 3d printed ribs and monocote. 3d printing the entire thing sounds heavy.
Mar 07, 2019, 02:31 PM
Quad Erat Demonstrandum
scousethief's Avatar
I think ribs/carbon spar/oracover/monocote is the way forward atm for 3d Printed planes.

There is also this method were you basically print the infill/supporting structure but with zero skins
https://www.thingiverse.com/thing:2781182

I think printing ribs though will provide a nice simple solution
Mar 10, 2019, 09:20 PM
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Started a thread on my first attempts here.
https://www.rcgroups.com/forums/show...o#post41371421
Mar 12, 2019, 07:41 AM
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scousethief's Avatar
subbed looking forward to seeing how you do.

Im working on converting some older plans to 3D objects so that others can have a go, but the laptop decided to commit suicide and im getting worse health wise which is ironic, i now have the time but not the tools lol, oh well, baby steps i suppose.

https://aerofred.com/search.php?sear...*Horten%20229*

the files are not my work

https://grabcad.com/library/blended-body-wing-drone-3


https://grabcad.com/library/flying-wing-6


https://grabcad.com/library/delta-1
Last edited by scousethief; Mar 12, 2019 at 08:51 AM.
Mar 12, 2019, 12:02 PM
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I found a plan for a Wildcat on that same sight I'm thinking about converting to a cad version. Going to wait until I see how the current simpler model turns out. So far it's looking like it will work very well. Pleasantly surprised.
Mar 12, 2019, 12:04 PM
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I found this model of a Wildcat I'll probably do the same thing with - ie: convert it to a 3d Cad version. First going to get this simpler one flying though. Seems like it's going to work just fine. Learning some things along the way for sure about PETG.

http://jivaro-models.org/wildcat/page_wildcat.html
Apr 10, 2019, 11:30 AM
Registered User
Anyone have a guestimate as to whether this is actually a "low cost" option, re: the price of the PLA or PETG?

Thanks...


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