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Micro C-130 Hercules RC model

3D model description

EDIT - 06.03.2019:

Added a Fuselage01 for 10 mm wide batteries.


EDIT - 01.03.2019:

Changed Fuselage01 and 02 to put the battery farther forward. Changed Vstab01 to make it more scale.


EDIT - 22.02.2019:

Added a display stand.


EDIT - 11.02.2019:

Improved prop blades and spinner.


Wingspan: 610 mm
Length: 433 mm
AUW: 100-115 g
CG: ~20mm from the leading edge of the wing center section.

For experienced users. It requires basic modeling skills to set up the control surfaces and build the plane. I have not flown the plane under power yet, but I have flown it freeflight with ballast and AUW 109 g. It flies well.


Print settings:

Mine were all printed on normal printers witnh normal PLA and 0,4 mm nozzles. You can print thinner than 0,4 mm perimeters just fine with a 0,4 mm nozzle.

Print most parts with one 0,25 mm perimeter and 0,12 mm layer height. Use two bottom layers and four top layers for most parts. Add top layers as necessary to fill the top.

Print Fuselage02 with 0 top layers. Fuselage01 will go into the open end of Fuselage02.


Cut away the bottom layers after printing to lighten the model, as shown in the photo of the backside of the green part Fuselage01. as a reference, Fuselage01 should weigh ~6,5 g off the printer and ~5,5 g after trimming down the rear face. I use scissors like these to cut around the inside:https://rover.ebay.com/rover/1/710-53481-19255-0/1?ff3=4&toolid=11800&pub=5575353675&campid=5338226872&mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fitm%2FCurved-Lexan-Scissors-RC-Car-Bodyshell-Cutting-For-Polycarbonate-Shells-Arches-%2F371079169069

Hinge elevators with Blenderm on the top surface.
Hinge ailerons with Blenderm on the bottom surface.
Hinge the rudder with tiny pieces of CA hinge.
Use 0,8 mm piano wire to connect the elevators together.
Use 0,8 mm piano wire to greate a torque link to the rudder.
Use 0,8 mm piano wire to create torque links to the ailerons in the slots in the bottom of the wing.


Required hardware:
1 mm carbon rods
2 mm carbon rods
3 mm carbon rods
0,8 mm piano wire
CA glue
CA hinge
Blenderm hinge tape

Can be used with 8,5 mm coreless motors or tiny outrunners.
https://hobbyking.com/en_us/turnigy-d0703-10000kv-brushless-motor.html?affiliate_code=BSFWYBUNYWDKXJN&_asc=5338582182

Suggested electronics:
Receiver and rudder/elevator servo:
https://www.banggood.com/custlink/33K3dSpugG
Aileron servo:
https://www.banggood.com/custlink/vGDmdSrueL
450 mAh 1S lipo.
Motors:
https://hobbyking.com/en_us/turnigy-d0703-10000kv-brushless-motor.html?affiliate_code=BSFWYBUNYWDKXJN&_asc=3215844319
ESCs:
https://hobbyking.com/en_us/yep-7a-1-2s-brushless-speed-controller.html?affiliate_code=BSFWYBUNYWDKXJN&_asc=2672935468

  • 3D model format: STL

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Designs 107
Downloads 13190
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Norwegian inventor/designer/cat owner.

License

CC BY NC

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17 comments

Many thanks for the quick answer, these are exactly the information I have been missing, I am totally curious how the little Hercules behaves in the air, own even a large with 200 cm wingspan
salute

Hello,
Thank you very much for the great work of the Micro C-130 Hercules, I have printed them with success,
Setup:
Prusa I3 MK3s with 0,25 mm nozzle,
Software is Simplify 3D
Expression worked the first time.
I am at the moment building the model and have a little test with the control of the rudder and the servo. Maybe you could send me some pictures or put them on the homepage how you realized the selection.
Many thanks

PS. Sorry for my poor English.

Hi, I have plans for a P2V-7 Neptune, my dad flew them in the late 50s when he was in the Navy, they are in PDF , I have no skills to convert them on CAD to G-Code etc..., I'm wondering if you could look at them and see if you can do it?
Maybe we can work out a deal?
My email kc7kiu@gmail.com
Thank you

Did you end up using outrunners or coreless motors for yours?

I ended up getting Simplify 3D and initially it actually produced the same exact anomalies as Cura but I had forgotten to set the extrusion width to 0.25 mm and as soon as I did that it worked great as well as dropped a few grams of weight from the previous printed part! If I could have figured out how to possibly change that setting in Cura I think it may have worked but I have been meaning to switch to Simplify 3D for some time now anyhow. Thanks again for your help and I'll keep you posted when I maiden this little guy!

This one is especially challenging to print successfully because it needs super thin walls.

Ok, Thank you for the prompt response. I have tried a number of different settings but I've always had problems slicing objects with thin walls. If I can't work it out I think I'm going to try simplify3d. Oddly though, it doesn't have the same issue slicing the 10mm battery version. Thank you again!

I use Simplify 3D. Maybe you are using too thick extrusion width. Set it to 0,25 mm.

What slicing software are you using if you don't mind sharing? I am trying to slice this with Cura but I am getting some missing sections in the print preview.

Enlarging this one considerably causes print problems. Check out my other Hercules, which is over twice as big and has the necessary changes to hold up in a bigger size. It's 129 cm (50,8")

Just how big you think you can go, without structure failure?
Like a 40 to 55 inch wingspan?

I would like to know how you how you wired the brushless motors to the receiver that is setup for brushed? Been in the hobby of building and flying rc for about 40 years just a little new for electric. Been doing them for 2 years. My e-mail is yogenh1@verizon.net so any help would be nice. Thanks Paul


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