Help Design an Electric Airplane!!!Blind

in CAD Design held by frankm1
Contest Ended, Winner(s) have been selected.
  • Open
  • Choosing Finalist
  • Ended
Description:
Hi CAD Crowd,
My name is Frank. I live in Colorado USA. I have an idea for building an airplane of my own design. I would like to see how it would look and fly by first building a smaller, remote control version. My plan is to post this contest and have the file printed in a foam product. I would then add the electric motors and servos and put in reinforcements and cover it will kevlar or carbon fiber.
I will then fly it and make changes as deemed necessary.
Briefly, I eventually want to build a full sized Electric powered airplane capable of short take offs but still able to fly fast. I have the basic plan on paper and the files are attached. What I would like to do is have it converted to a very sleek, futuristic, and sexy looking CAD file. I will then have it cut out of high-density foam blocks, so the design needs to be configured so that it can be cut up into blocks that can interlock precisely together. Inside of these blocks would be cut outs for structural element (Like carbon fiber tubing). The file attached shows my plan for the full-sized aircraft. The remote control model I want to build will need to be about 1/5 sized. The craft will need to be in separate elements that can be pressed neatly together with interlocking components. The tail will have the two separate components. The top wing, which articulates, will be a separate component. The Alierons will be separate. and the rest of the aircraft will need to be cut into small enough pieces for the CNC machine to cut

The airfoil shape will be NLF(1)-0115
Wants:
The entries must adhere to the basics of my design. In order to accomplish short take-off and landing I will be using multiple propellers (distributed propulsion) and a biplane design where the top wing can rotate to increase its angle of attack relative to the frame of the aircraft, so in the RC version there will need to be a channel cut in the top wing for an aproximatley 1" carbon fiber tube which will run the entire wingspan. The landing gear will be added afterwards on the RC model and will not be considered for this RC project. The tail is a simple articulating device which will serve as the elevator. There is no rudder as I will be attempting to control yaw by varying the thrust of the lateral most electric motors. For the rendering, I want this airplane to look futuristic, sleek, and sexy… as if it is out of a sci-fi movie.

In short, I am hoping in the future, and with this as a start, to design an airplane that is easy to build and easy to fly. It will be able to take off and land short because it will be able to fly very slow with the upper wing and two of the four props positioned at a high angle of attack. (thus the thrust vector will also help get the airplane aloft). The distributed propulsion should also give it STOL capabilities, even with the faster natural laminar flow airfoil. It will be able to fly fast because it will use a fast laminar air foil so careful attention will need to be made to areas of parasitic drag. It will eventually have retractable gear, but this is not to be included in this rendering. I will sort out weight and balance issues with batteries placement location.

Given that I eventually want to build a full sized real airplane, I am looking for a designer with some experience or training in aeronautics (or a partcular interest in the subject and with a general engineering background). The winner will be first in line to bid on the actual airplane CAD designing/enginnering which will need significantly more work to make it structurally sound, to add gear, a cockpit, instruments, and in some places on the aircraft to do a finite element analysis.
Don't Wants:
While I am not looking to over analyze the project at this point... I am just looking for a great looking CAD version of the attachments. I would however, with your submission like your brief thoughts on this airplane design with an explanation of how you can help me to move forward with this idea.
Software:
  1. Solidworks or similar

Entries

= Buyer's Rating
#13 Electric RC Plane by George Boubatrin
Hidden design
Download Files
May 3, 2022 14:20
#22 frankm1_aircraft by Carlos Sanchez
Hidden design
May 7, 2022 22:33
#27 Futuristic electric airplane by Kzswara
Hidden design
May 9, 2022 8:34
#23 Airplane Model by Raymond
May 8, 2022 10:28
#25 RC Electric Plane design and 3D printable 3mf file by vinayn
May 9, 2022 7:17
#26 Futuristic electric airplane by Kzswara
May 9, 2022 8:21
#1 Airplan Design by osamas2
Hidden design
Apr 26, 2022 3:59
#10 Electric RC Plane by George Boubatrin
Hidden design
Download Files
May 1, 2022 15:15
#8 AIRCRAFT by ZOUHAIR
Hidden design
Apr 30, 2022 3:09
#7 Electric RC Plane by George Boubatrin
Apr 29, 2022 19:20
#5 Airplane by mtanveer009
Apr 27, 2022 17:17
#3 HGP Electrical Airplane by Ya3r.hgp
Apr 27, 2022 11:30

Discussion

vinayn

Designer

Mon, 09 May 2022 08:25:50 +0000
Frank, adding to my previous message. We can add autonomous capabilities to your full-scale electric airplane. One of my team members is a world-class authority on machine consciousness, AI and AGI-Artificial General Intelligence. Because mass aerial transportation worldwide will depend on pilotless autonomous drone planes in this decade and the next.

vinayn

Designer

Mon, 09 May 2022 07:24:45 +0000
Hi Frank, I have just submitted a design of an electric airplane powered by 4 propellers per your requirements. BTW I run an engineering support services company here in Mysore, India located 80 miles south of Bangalore city. Me and my team members are skilled in the following domains: web and mobile app development, blockchain app and smart contract development, CAD and Solidworks, PCB design, logo creation, Wordpress, Ethereum, Flutter, Node.js, React.js, Matlab/Simulink, 3D printing and 3D printable files. I have got a background working as a self-employed aerospace and propulsion engineer as well as a blockchain architect. I can help you solve any engineering challenges including design, simulation and rapid prototyping tasks for any industry including aerospace, defense, transportation, nuclear engineering etc.
We can engineer and deliver your dream electric airplane within the budget and timeline mutually agreed upon.
Sun, 08 May 2022 19:50:10 +0000
Nice contest

frankm1

Buyer

Thu, 28 Apr 2022 22:50:43 +0000
The four propellers will be approximately 36 inches in diameter.

frankm1

Buyer

Thu, 28 Apr 2022 21:39:48 +0000
Hello Richard, thank you for your questions.

for the purpose of this RC model I will be using the same airfoil. It’s possible I may want to change that to something more capable of handling a higher angle of attack on the top wing as I get closer to the real airplane.

Similarly, for the remote control version I had planned on just using the airfoil designated and cutting out the ailerons from foam. It’s likely that will change with the actual airplane.

I would just use a symmetric air foil like Naca 0012 for the struts.

I’m not trying to create a VTOL aircraft. Rather, I am thinking of something that hopefully could get off the ground very quickly. I’m thinking the maximum range of motion of the upper wing to be around 10°.

The Emrax axial flux 188 motor looks very good to me for the four motors. I think the power output would be adequate to accomplish my needs. I am not 100% settled on this but the dimensions are available on their website. I think this would be a good place to start.

I think having 0° of angle of attack at the bottom wing route makes sense. Given that the top wing can change its angle of attack gives some wiggle room.

I am also unsettled on the elevator rudder design and and purposely leaving that blank so I can tinker with it with the model.

Thank you for your thoughtful questions

richards

Designer

Thu, 28 Apr 2022 20:55:27 +0000
Hello Frank,
Please could you clarify a few things:
1. Does the articulated upper wing have the same NLF(1)-0115 aerofoil section?
2. Is there a particular aerofoil section you require for (a) the 2-piece elevator, (b) the struts between upper and lower wings?
3. Do you have a required adjustment angle range for the upper wing that needs to be accommodated in the scale model?
4. I see your requirement for -2 deg washout for the outer 4' of the lower wing; is the wing chord at the root parallel to the longitudinal axis of the aircraft (i.e zero AoA in level flight)?
5. Have you any information on the size (length, diameter) of both the outboard / strut-mounted and inboard / wing-mounted electric motors & propellers for the scale model, e.g. for dimensioning the nacelles, or should we just scale from the sketches?
Thanks,
Richard

frankm1

Buyer

Thu, 28 Apr 2022 20:13:08 +0000
I’m excited to see your design as it looks like you are a great CAD artist and a capable engineer! Be sure to check out my last comment which changes a little on what I want to do with the struts on the lateral aspect of the wings.

frankm1

Buyer

Thu, 28 Apr 2022 20:11:43 +0000
Attention CAD designers and artists working on the electric airplane! After looking at some early versions coming through I am not happy with the thick strut on the outside of the wings. I had drawn this in because I thought I may be able to how’s the landing gear in this area and the airplane would be more stable on the ground. I just think it’s going to come at too great of a drag penalty. For this reason let’s see some versions with Struts that are the same thickness As the top wing. Also let’s work on blending that into the bottom wing a little better for a slicker appearance. I’m going to pivot and figure out a way to put the landing gear inside of the fuselage. That will come later. Great job on the entries I appreciate it!

frankm1

Buyer

Thu, 28 Apr 2022 00:41:23 +0000
Good job contestants! I’m starting to see versions that are true to my design. It’s Very important to put the proper wing foil in place. The distal 4 feet of the bottom wing should have about 2° of washout. This will have to be a gradual twist deflecting the angle of attack downward by 2° at the wink tip. The reason why the struts look thick on the outside is because this is where I’m going to house the Landing gear. It also needs to be robust to handle the lateral most propellers.
Wed, 27 Apr 2022 22:02:20 +0000
Hello, Frankm2!
Thank you for this interesting project, I will be submitting a design!
@GalaxyRobotics
Tue, 26 Apr 2022 14:47:19 +0000
Contestants, I found some carbon fiber tubing that I have available for the wing supports and it measures 0.75 inches in diameter instead of the 1" that I put in the original description. Do keep in mind that the design must follow my plan as shown in the attachments. Thanks!
Mon, 25 Apr 2022 22:06:04 +0000
Hi,
Sorry for the confusion and this being unclear. In my diagram Top view I indicate that 1 box is 12 inches. This was meant to explain the scale of the drawing for the eventual airplane that I would like to build. This being the case, the drawing is for an aircraft that has a 23 foot wingspan and is 26 feet long. The scale model remote control airplane I want to build first with this CAD drawing with be 1/5 that size, or 55.2" wingspan. I hope this helps!
Frank
Mon, 25 Apr 2022 19:45:54 +0000
Dear Frank, can you tell me a general measure of airplane large and width?

frankm1

Buyer

Mon, 25 Apr 2022 12:58:26 +0000
1 - For this RC version the main strength will come from the Kevlar skin that will overlay the entire airplane. The carbon fiber tube is for additional support in the top wing and to allow for tilting as this will be use a connection site to the site "struts" that will connect the top and bottom wings laterally. For this RC version I will not need to be able to tilt the wing in flight. I will do a simple hand adjustment on the ground and see how it flies in different configurations. The bottom wing will need some grooves cut into the foam that go along the top and bottom of the wing (I am thinking maybe 1/2 inch deep) where I can place some stiffing material for spars. I will thinking of using "bar" material. The rest of the structure is supported by the rigid skin which is adherent to the foam.

2 - I will use spray foam adhesive or Gorilla glue to fix the foam blocks to each other as I am build the airplane up.

3 - So the final airplane will measure 23 feet from wingtip to wingtip. The R/C model will be 1/5 size, so it's wingspan will be about 55.2". The 12" per box refers to the scale on the graph paper. At this scale the pins for the articulating tail will be around 0.25", but there is room for discretion.

Thanks for your interest!
Mon, 25 Apr 2022 11:25:28 +0000
Hi Frank

Some questions based on your statements
1. "the design needs to be configured so that it can be cut up into blocks that can interlock precisely together. Inside of these blocks would be cutouts for structural elements (Like carbon fiber tubing"
Is all the tubing for the structure 1" diameter as well ?
Are you setting the tubing structure by yourself, or do I need the make all the internal tubing inside of the foam blocks.

2.When you join foam with foam and interlock.
will it wiggle? or are you going to use a plastic piece that makes the pieces join together more neat?

3. When you talk about articulation. what kind of pin size are you using to design the thing accordingly

4. The remote control model I want to build will need to be about 1/5 sized
to have a better reference of the siza. is the total length of the airplane is 12 inches as you put in the top view 12"

thank you


Mon, 25 Apr 2022 09:50:12 +0000
ölçü önemlimi ?

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