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Solenoid V8 Engine

by 7thCrook, published

Solenoid V8 Engine by 7thCrook Feb 4, 2016
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Solenoid V8 Engine by 7thCrook is licensed under the Creative Commons - Attribution license.

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Summary

Good afternoon all!

 I'm back... enjoy!

http://3dprint.com/118388/3d-printed-v8-solenoid-engine/

 after building my smaller engine I found that I had a heating issue and a timing issue. This engine uses larger solenoids for heat dispersion and cooling fans mounted on each piston. as far as the timing issue I used a SENSOFOIL touch sensor with a bearing to give an infinite turn 360* position sensor.

 I found this engine is so large that one computer power supply cannot run the engine without side effects.... The Arduino would reset randomly or the power supply would just cut off due to the safety circuits. After that trial and error I grabbed a 650w power supply just for the solenoids and the 450 for the cooling system, Arduino and relay shield.  

 the particular SENSOFOIL sensor I purchased wasn't as strait forward as I had hoped. the sensor had offset reading breakpoints that required some interesting programming. After that hurdle it was exactly what a project like this needed. some of you may notice tape on the sensor... that is because the part I designed doesn't apply enough pressure on the sensor for the top half to read 100% accurate every rotation. I'll redesign the part later.

There are a lot more parts on this project that were not 3D printed so if your not willing to go to Home Depot, Micro Center and other hobby stores.... don't try this project.... also this project was a bit expensive

spool of mag wire 27$ x 4
cooling fans 8$ x 8
thermal paste tub 25$
bearings 20 to 40 $
wood prop 18$
Arduino 10$
SENSFOIL 20-50$
8 channel relay shield 15$
power supplies 40$ x 2
wire, springs and "other" < 50$

https://youtu.be/xNH3jRhe8NU
https://youtu.be/EeSrZAbpdIY
https://youtu.be/2NE3pT-JGCk
https://youtu.be/Y1kngKACJQU

Print Settings

Printer Brand:

MakerBot

Printer:

MakerBot Replicator 2

Rafts:

Doesn't Matter

Supports:

Doesn't Matter

Resolution:

Low

Infill:

Diamond


Notes:

very few parts require supports and only the largest parts need rafts

The parts on the STL are positioned for assembly not print. rotate the parts as necessary for best results. Any part that is under strain like the rocker arms I use 3 or more shells.
Use your engineer judgment!
I basically print everything in LOW resolution for print speed and strength.

How I Designed This

3d Printed V8 Solenoid Engine

Slow motion 1

Slow motion 2

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Congratulations, how wonderful! How fast. That can arrive?? Supported weight??

This is really cool ! nice work

Can you give some assembly instructions?
Thanks

next project should be a radial engine. All of your engines appear to have propellers, why not have an aircraft radial?

Hi, Just wondering if this is a 2 stroke or 4 stroke. Also was trying to figure out if the V is 90deg or 45 deg? (Had to tell because of the linkages)

Two and four stroke refers to gas engines. For this electric engine for every one rotation or 360° there is a power stroke of one half or 180°. When the piston reaches top dead center the computer reads the position and initiates the firing sequence which pulls the solenoid Through its power stroke. Also I believe the degree you're looking for is 90

Do you have a specific task in mind that you need this for? or is this just a technological demonstration?

my goal was mainly to use the crank shaft position sensor rather than a cam switch "like the others you find on YouTube." in the end it was just to push the limits of my hobby a little further. the motor is to inefficient and week to do anything productive. any ideas for my next project?

Is it possible to obtain the stls for each single part like in the smaller version?
Thanks you in advance.

It can be done by using splitting feature in Slic3r, just for your information.

I'm moving into a new house on APR 8th. once I get my shop set back up "remind me" and I can do that for you. that is if you cant get SLForney's plan working.

Congrats! Nice Build and looks awesome!!

thank you any ideas for my next project?

This is insanely cool!

thank you any ideas for my next project?

Paint shaker maybe? haha or actually maybe a shaker for spray paint cans

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