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Oct 11, 2018, 02:24 PM
The Junk Man
Quote:
Originally Posted by birdofplay
Although that is a possibility,
it is just common courtesy to ZIP or Shrink large files to save bandwidth and disc space.
Um, .stl file are tiny little text files. Probably take up less space on here than this post.

Tom

Edited for spelling, they should not have put the 't' key so close to the 'r' key.
Last edited by T_om; Oct 12, 2018 at 09:20 AM.
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Oct 11, 2018, 07:04 PM
Retired CAD guy
birdofplay's Avatar
Whaaat ? I missed your point.

What I thought was the suggestion to rename stl to txt just to get past RDG restrictions .
that wouldn't change the size.
Oct 12, 2018, 09:21 AM
The Junk Man
Not talking about size. The forum will only accept certain file TYPES. I have no idea if .stl files are allowed or not. If not allowed, I posted how to get around the problem.

Tom
Oct 12, 2018, 09:56 AM
Registered User
rajazo's Avatar
Thread OP

new PC6 turbo porter 1.5m (3d printed mix)


Video added in the first post.
I donít have a camera man , only static phone camera.
The first section (no red and black strip in the fuselaje) is the second flight . It flew with a Rctimer BC2830-8 1300kv 275w and 8x4 propeller. It flew ok but need more power to climb in a stepper angle to abort landings and accept floats.

Then I upgraded with a Dualsky Eco 2814 C. 1200kv 350w and 9x6 prop. A huge difference in performance. A secondary effect is battery position, not yet in the nose, more close to the CG a lot more easy to balance with different batteries.
Last edited by rajazo; Oct 12, 2018 at 10:26 AM.
Oct 12, 2018, 05:17 PM
Registered User
elewon's Avatar
Thanks for the video. Looks like she flys quite well. Comes in bit hot for landing in spite of those nice flaps though. I'm thinking she is bit nose heavy?
Oct 12, 2018, 08:00 PM
Retired CAD guy
birdofplay's Avatar
For me the Porter PC-6 is all about the BIG flaps and low speed flying performance.

Otherwise it's just another High wing trainer.

Doing super low speed Hi AoA landings while thumbing your nose at Gravity is the trill !

Just like in the movie Air America with Mel Gibson.

So a LIGHT build with an OVER POWERED motor prop combo is a necessity ! heh heh heh :>}}}}}}
Oct 13, 2018, 08:17 AM
Registered User
rajazo's Avatar
Thread OP
You are right guys... I need lot more practice with the flaps!
Nov 01, 2018, 06:39 PM
Went to mow a meadow
frank48's Avatar
Did you ever post the .stl files?

I fancy having a go at this - reminds me of the movie "Air America"

Thanks!
Mar 12, 2019, 04:56 PM
Registered User
rajazo's Avatar
Thread OP
Sorry to all because my lateness, But I really poor on time, but I need to change some pieces because they fail in some points.
Actually, I Ď m close to end a new set of files and re- print and rebuild a new plane, including fixings for pontoons in the central cage (pontoons and frame successfully tested on February on the original Porter)

thanks for the patience
Mar 13, 2019, 06:37 AM
Went to mow a meadow
frank48's Avatar
Thank you for the design

Frank
Mar 13, 2019, 08:08 AM
Registered User
Extreme Sports's Avatar
Just seen this thread now

Agree that for now mixing 3D printing and conventional materials is the best way to go. May stay that way - good engineering has always been about picking the best materials, technologies and manufacturing techniques. Very seldom that one thing works for the entire construction.

I especially like your use of 3D prints for the flaps and ailerons. I printed some test pieces about a year ago that had similar thinking behind them; just have not had time to incorporate into a new plane. See: https://www.rcgroups.com/forums/show...&postcount=370 - maybe some ideas others can build on.

Slightly off topic, but on the file size debate: Not all RCG users live in economies with fast and cheap data access. Most picture above ~500kB are just wasting memory and bandwidth. For some of us the now 'normal' 3MB photos are making clicking on photos in RCG too slow and expensive to be usable. I suspect that many folk who take pics with their phone are unaware just how large these files are by default, and how the file size exceeds the capabilities of the phone optics anyway. So please be considerate and reduce or zip large files.
Last edited by Extreme Sports; Mar 13, 2019 at 08:15 AM.


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