A Ben Franklin Kite To Make
DON'T Try The Famous Experiment!
Once in a while, someone in the U.S. wants to make a replica of the
famous Ben Franklin kite. This page is dedicated to helping you do just
However, the instructions here are mainly for getting the 'look'
right. That is, putting together something that looks very much like the
original would have - if it was ever built! There's no proof that it actually was.
OK, take a look at the diagram below. Everything is labeled in some detail...
(By the way, the sticks are behind the sail material. The bridle lines are therefore poked through holes in the sail before being tied to the vertical stick.)
If you simply follow the diagram as closely as possibly, you will
certainly end up with a very authentic-looking historical kite. At least
from some distance away!
An expert would say 'tut tut, the handkerchief isn't real silk,
and the string should be hemp twine.' And so on. But hey, this Ben
Franklin kite is close enough to use as a prop in a play, for example.
Further down, a few tips are provided for getting the design as
shown to actually fly. Plenty of people have tried and failed. But this
is a specialist kite site ;-)
The book Benjamin Franklin: An American Life
on Amazon might come in handy of you are curious about the man himself!
Flying This Ben Franklin Kite
Now supposing you really need this replica to actually fly
successfully. The guys on Myth Busters (a post-millenium U.S. TV show)
failed to do it and ended up using a traditional Diamond with round
wooden doweling. At least they used real silk for the sail - I think!
This short list of points should ensure that your replica flies well. It will give you the best chance possible of success...
- The handkerchief should be as large as possible. Big kites always fly better than small kites of the same type.
- Ben Franklin specified a silk handkerchief. Whatever
sail material you use, the weave should be as fine as possible. Too much
porosity to air will result in failure. So, make sure you can't blow
air through it!
- The sticks should be just thick enough to resist excessive bending in a light or moderate breeze. The thicker the sticks, the more wind required. If they are way too thick and heavy, the kite will just not fly.
- The tail as specified in the Ben Franklin kite diagram should be fine, but the cloth
ties should not be too heavy. Here, it's 'drag' that counts, not weight.
Extra length in the tail line, plus a few extra ties, should fix any
tendency for the kite to loop around continuously.
- That wire on the top should be pretty thin. Otherwise, it will weigh
down the kite. Not only that, but it will shift the balance point of
the kite towards the nose, which is a no-no for kite stability.
- Connect the bridle loop and flying line as shown in the diagram. But use a shift-able knot such as the Prusik
to connect the flying line to the bridle loop. Some experimentation in
the field will be required before the ideal position is found. Shift the
knot along the bridle loop just millimeters (1/8" or 2) at a time,
until the kite flies high with little effort. Assuming the breeze is
somewhere in the 'light' to 'moderate' range.
Out In The Field
Diamond kite stories of my real-life flying experiences are worth checking out!
Illustrated with photos and videos, of course.
Have I made one myself? Not yet - have you seen the prices on big high-quality silk handkerchiefs?!
I do intend to one day post photos and video of a flying Ben Franklin Kite replica.
E-book special of the month (25% off)...
e-book takes you step-by-step through making a 120cm (4 ft)
diameter Parasail kite. This kite performs well in gentle to moderate
wind speeds. That's from 12 to 28 kph or from 8 to 18 mph. It pulls
hard for it's size, so should not be flown by very small kids!
Every kite design in
the MBK Soft Series satisfies the following points...
- Materials are
plastic sheet, tape and line – and nothing more!
- Tools are a ruler,
scissors and a marker pen - and nothing more!
- All cuts are
along straight lines.
For the greatest chance
of success, I make recommendations regarding the materials. For
example, the type/weight of plastic, type/width of tape and line
type/strength. Close enough should nearly always be good enough,
since the design is well-tested and should be tolerant of small
differences from my original.
Get the e-book for making the MBK Parasail kite. After making your first one in plastic and seeing how it performs, you can try soft Tyvek or rip-stop nylon for your next build.
The e-book is a PDF file - which means printable instructions to refer to while you make the kite. It also means convenient off-line access if that suits you better.
Jul 26, 17 12:21 AM
MBK Delta kite posts archived from the site blog page. Features large kites with 2-piece spars in oak dowel.
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