The 1st TV "remote" controls
utilized ultrasonic frequencies as a part of the 35 kHz to 45 kHz range. A
portion of the Zenith remotes utilized mallets (clickers) to strike tuned metal
bars (normally four) in the hand unit to create (ring) one ultrasonic...
14. Make Solar Geyser
First you understand the processes of Solar Geyser; it
has a very simple setting one water tank with an input of cold water from below
and one output of hot water on top. The heating part is made of a solar
collector and two pipes coming from...
13. Made Cheapest Solar Oven
Yes you can make a solar oven of your own. In hot
climates sun gets hotter and you can use this energy to cook. Before
constructing you must understand the concept, we use a box as an oven the walls
of that box should be reflective like mirrors, usually...
12. Solar Power or Solar Electricity
Solar power force is the transformation of daylight
into power, either specifically utilizing photovoltaic’s (PV), or by
implication utilizing concentrated sunlight power (CSP). Concentrated sun
oriented force frameworks use lenses or mirrors and tracking...
11. A Solar Powered Shepherd in India
A solar powered shepherd, it sounds crazy but it is a
fact in our time mobile phones are every where, but electricity is not. So
people in remote areas are using solar panels to charge their mobiles.
Solar Power for undeveloped countries
Poor...
10. Flat Tyre with no spare one
This is a situation which comes at least once in a
lifetime, the tyre of your car is flat and you don’t have spare one. Or even in
a situation when spare tyre also becomes flat. Now here is a solution which can
be used to move your car to a workshop...
9. How to check Tyre Puncture
If your car’s or bike’s tyre is loosing pressure you
can check the leakage by putting soapy water on it, but before doing this full
the tyre pressure with air. The soapy water will make bubbles when it comes to
a leak.
You can also check
tubes...
8. No Stove no Gas only Electricity & an Iron
If you don’t have a stove or there is no gas, still
you can cook if you have an electric Iron and electricity. Place the Iron up
side down and put some support, plug in and your stove is ready use bowl or
kettle.
Even you can bake chapattis...
7. No electricity use Gas Iron
If you are in a place where no electricity is
available or you want to cut your electricity bills. Use Gas Iron it costs from
$10 to $20
If
Natural Gas is not available then you can also use a LPG cylinder.
Natural
Gas (Methane)
Natural...
6. Want to use shower without having an overhead water tank
Here is a good solution for a shower without having an overhead water
tank. Use one container made of plastic or aluminum etc. a shower set with
valve and a brass flange connector. Put the container on a shelf or rack and
fill it with cold or hot water...
5. Make Cheap Geyser in kitchen
In a cold weather you definitely need a water geyser for kitchen and
bathroom. Well minimum price for a Gas Geyser is $50 and for Electric Geyser is
$100.
So here is a cheap solution for hot water in your kitchen:
Even you can make a permanent...
4. Make a Flange Bracket for bearing
Usually large flange brackets
are expansive a 3 inch (UCF215-48) Bracket is worth $80. If you have right
equipment you can make it cheaper as $8.
First you measure you
bearing suppose it has 3” dia inside and 5” dia from outside.
Purchase...
3. How to calculate the size of Pulleys for a machine using 2 sets
As we calculated size
of a Pulley required for a machine for 84 RPM and a motor of 2800 RPM. Now if we
don’t want larger pulleys in case we don’t have a space for a 14 inch pulley to
be used on machine. We can reduce the size of pulley by introducing...
2. How to calculate the size of Pulleys for a machine
As in my 1st
post we calculated the RPM of a machine. Now if I am going to change the motor
with a high speed 2800 RPM motor. How to find out the size of pulleys? If we
use 2 inch pulley on motor and 14 inch pulley on machine and 1 coupled pulley
in...
1. How to calculate the RPM of a machine
If a machine is
attached to a motor ad you know the RPM of motor then you can calculate the RPM
of machine, in case you want to change the setup or installing a new machine
and want an output of required RPM.
If you are using a
motor with...
