Primitive Technology
Automatically track what you’re watching
Join a community with a new generation of fans

Sign in with Google
Join the community
Please enter all the fields
Please enter a correct Email
Yahoo emails are not allowed
This Email is already registered in Simkl
Name too short
Password is too short
You can choose a password length of not more than 50 characters. Do not forget to switch keyboard layout to the English. Do not choose a password too simple, less then 4 characters, because such a password is easy to find out. Allowed latin and !@#$%^&*()_-+=., characters
Create Free Account
Already have an account?  Enter  
Welcome back!
Please enter all the fields
Incorrect login or password entered
Sign In
Forgot your password?
Don’t have an account?  Create Account  
Forgot your password?
Please enter your Email
This Email is not registered in Simkl
Failed to send email, try again later
Don't worry. It's easy to reset.

Please enter your Simkl username or E-mail from your account to start the password recovery process.
Reset Password
We have sent instructions to the email address you provided during signup. Please follow the link from the email to continue.


Primitive Technology - S2022E04 - Improved Multi-Blade Blower

Primitive Technology season 2022 episode 4

Improved Multi-Blade Blower

In the 6 years since I developed the first forge blower ( I had made very few improvements to it's design. So I decided to do some research and development to see if I could improve it's efficiency. From my research, increasing the number of fan blades from 4 to 8 yielded an increase of 19% volume of airflow. So I set about building a better fan. Instead of splitting the rotor and inserting blades made of bark into it, I made spokes from split cane to hold the blades leaving the rotor intact. This increased the longevity of the rotor as well as the spokes being heavier contributing more momentum, assisting the impeller in winding back in the other direction after each rotation. Instead of bark being used to for the blades, simple (and easier to find) folded leaves formed the blades. These, being flexible, are less likely to break against the walls of the housing as stiff bark does. Finally, a lid was added to the housing to make maintenance easier. The new
Find episode on:
Stream the best of Disney, Pixar, Marvel, Star Wars, National Geographic and new movies now. Sign Up Now! »
Try 1 month of Paramount+ FREE. Thousands of episodes, live TV & exclusive originals–all in one place! »
Primitive Technology / S2022E04 : Improved Multi-Blade Blower
Season 2022, Episode 4 | Aired on June 2, 2022 | 10 min. | YouTube
Mark as watched
Season 2022
Season 2022
Season 2022
Season 2022
Season 2019
Season 2018
Season 2017
Season 2016
Season 2015
Season 2
Season 1
  • Primitive Technology - Episode 1 - Thatched Workshop
    Episode 1
    Thatched Workshop
  • Primitive Technology - Episode 2 - Brick kiln, brick mold and bricks
    Episode 2
    Brick kiln, brick mold and bricks
  • Primitive Technology - Episode 3 - Wood Ash Cement & Fired Brick Hut
    Episode 3
    Wood Ash Cement & Fired Brick Hut
  • Primitive Technology - Episode 4 - Improved Multi-Blade Blower
    Episode 4
    Improved Multi-Blade Blower
  • Primitive Technology - Episode 5 - Iron knife made from bacteria
    Episode 5
    Iron knife made from bacteria
  • Primitive Technology - Episode 6 - Trebuchet
    Episode 6
ABOUT #PRIMITIVETECHNOLOGY S2022E04 Newest Oldest Top Replies Top comments Top Memos Most Helpful Most Likes
Add Comment
Photo, Meme or GIF
Drop image files here or click to upload
max 10MB photo or 2MB GIF
Add photo or GIF from web

How to add photo or GIF from web:

You can paste URL of the image inside your comment and it will be automatically converted into the image when reading the comment.
Find a GIF
Create a Meme

How to add a video:

To add a video paste video url directly into your comment. Example:
Do not post links to copyrighted video content (TV Episodes, Movies). Share them privately if needed.
English only please.  Home rules.
Episode emotions
How was it?  
Share this page with your friends and followers:
Become a Pro or a VIP member
and unlock premium perks
Become beta tester
Get access to the next version of Simkl V2
Simkl has apps for Android, iOS, Chrome,
Windows, Kodi, Plex and more!

Simkl automatically tracks what you’re watching, tells you how many episodes you’ve missed, and connects you to what your friends are into.

The best way to keep track of your favorite TV shows!

Get alerted when new episodes of your favorite TV shows air!

115,397 TV Shows
12,761 Anime
704,740 Movies
2,635,731 Members
Start tracking what you watch
Sign Up with Google
Sign Up with Email