DIY 2x4 Treadmill [closed]

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A few months ago, a couple of friends and myself attempted to make an Omnidirectional Treadmill for a maker faire that was coming to our area. Our plan was to create a treadmill for the cheapest possible price with the resources we had around us. We ultimately made it using some lumber and a couple Wiimotes with the Wiimotion Plus accessory. The design is rough around the edges and our prototype was a bit rickety but it worked as a proof of concept and it proved that Omnidirectional Treadmills can be made affordable.

It works on the concept of it taking the weight off your feet using bungees and a roofing harness. The user wears a pair of socks so that their feet slide around the slippery MDF surface beneath. With a Wiimote in the right sock of the user, it can can track the movement of the foot and translate it into WSAD movement. A second remote is used with a nunchuck to manually pan the camera as well as perform other functions in a video game. All of the motion data was...

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In this project, we will build a small DIY VAWT, Vertical Axis Wind Turbine. We are not expecting to get much over 50 watts of production, though it would be fairly simple to double the size of the blade area to increase power.

This DIY VAWT is based on the use of 4 inch PVC pipes, cut in half, for the blades. The blades are mounted on bicycle rims. This structure is then mounted using 2x4's and a DC treadmill motor is connected at the bottom, via a belt. The belt connection allows for an increase in RPMs to the treadmill motor.

We have just started this project and have concerns with the following:

start-up wind speed required - the gearing required to increase the RPMs for the treadmill motor, could prevent the wind turbine form starting, till very high wind speeds are reached gearing ratio - will a belt gearing system give us the revolutions per minute (RPM) that we need to produce usable power? total power - the 50 watt output is a guess based...
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I'll start out with two warnings:

- This is NOT a cheap solution

- This is NOT a small space solution

What the main goals are:

- Customizable to fit YOU

- Robust design with off the shelf parts

- Minimal to no machining needed

- Can be upgraded with open source solutions

I will update the post with new photos of CAD modeling as I go.

The current model is 8 feet tall which is mainly due to me being 6'1" and I want to be able to jump/crouch and eventually be able to go prone. It is also about 7 feet x7 feet so again not small.

All parts in the design can be bought from 8020.net and I will add a parts list with the price once I have completed design and modeling.

Current Model:

Points of Interest:

-The black arrows pointing up and down are for free movement to crouch and sit. This is accomplished using the linear bearings available on 8020.net.

-The black arrows that are...

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2x4s are some of the cheapest lumber you can find in any lumberyard or home improvement store. Dependable, sturdy, and at around $3 for an 8 ft piece, it’s an excellent value for your building budget. They can be cut down into smaller sizes or used as-is to make projects of all sizes.

Here are 21 simple, inexpensive & great-looking projects you can make with 2x4s. Enjoy!

Make a giant game of Jenga to play with your friends. (Tutorial: Squirrelly Minds)

Turn inexpensive 2x4s into a rustic x-leg bench with built in storage underneath. (Tutorial: The Kim Six Fix)

Create a beautiful centerpiece for your kitchen table. (Tutorial: Infarrantly Creative)

I love the simplicity of this table, and the staggered edges on the sides! (Tutorial: A Beautiful Mess)

Super easy Christmas and winter decoration. (Tutorial: Keeping it Simple)

Nice, simple and sturdy looking stools. (Tutorial: Jay’s...

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Are you looking to add some new workout equipment to your garage gym or home workout room but don’t want to spend a fortune? If so, you’ve come to the right place. We have done the research and searched the web to compile a list of the greatest DIY workout equipment ideas that you need to try and can easily make yourself.

DIY Workout Equipment Ideas You Need To Try

DIY Medicine Ball

(Source)

A medicine ball can be used in many different strength training and conditioning exercises. Medicine balls are usually sold from around 2-25lbs. With this tutorial, you’ll be able to create a medicine ball at home with just an old basketball, a funnel and some sand. You can even make different weights by adding different amounts of sand in each.

If you don’t want to get sandy and DIY this yourself, you can buy a good 12 lb medicine ball for less than $25.

DIY Plyo Box

(Source)

If you’re into plyometrics, you’ll need to...

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Hi,

I see there are a lot of posts in sound proofing, but many are related to unfinished homes/suites where you have access to the studs and insulation.

I have a 2 level townhouse. On the top floor I have a small 8 x 10 foot bedroom that has a heavy (250 lb) treadmill in it, used for walking/jogging.

On the floor below that room is our living room. Adjacent to our living room is our neighbors living room.

When I am in my downstairs living room with my wife using the treadmill upstairs, each footfall is a loud echoing thump/thump/thump etc.

If I am upstairs standing outside the room that has the treadmill (with bedroom door closed) it is very quiet. The sound is not travelling across, but is travelling downstairs through the ceiling. You know that sound you get when the clothes washer is unbalanced and on spin cycle, when it starts to hammer? The treadmill sounds a bit like that, meaning volume wise.

My concern is what does my neighbor...

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