My First MBK Delta experience

by Eric Lemay
(Tokyo, Japan)

I just wanted to let you know about my experience flying my very own and first MBK Delta (earlier today, February 13, 2011). I constructed mine using 4mm dowels measuring 900mm. I failed to notice that the spreader needed to be longer than the leading edge spars so I resorted to gluing three pieces of dowel - which turned out to be much too weak. In retrospect, 4mm is probably a bit thin, even though my kite is a bit smaller than your suggested dimensions.

Anyway... I just started walking in the park with the kite in my hand, and as it seemed eager to fly I just let out some line. It just flew straight up with no effort at all, and as soon as it caught the stronger wind it just kept pulling! Soon, the spreader started to bend quite a lot, even though there was not much wind at all on the ground. It flew perfectly well for a couple of minutes, and I managed to let out a fair amount of line (not sure how much) but after a couple of strong gusts of wind, the spreader just snapped and the folded up kite gently came down to the ground.

Inspecting the broken spreader, I found that it had snapped right in the middle, so the joint did not hold and the reinforcement piece was certainly not strong enough to withstand the wind pressure by itself. Fortunately, the spreader only pierced a small piece of sail, through the clear tape border at the bottom edge of the wing. So I just need to patch it and build a proper spreader using 5mm dowels and I should be able to fly it again.

Many thanks for the detailed instructions. I'm not sure why I started making kites this year, but so far it's been very enjoyable. If I end up spending all my free time building kites, it's probably your fault.

Cheers!

Comments for My First MBK Delta experience

Average Rating starstarstarstarstar

Click here to add your own comments

Bending speaders
by: Tim Parish

Thanks Eric, your name rings a bell actually...
Yes, the spreader does get a bit of punishment when the wind gets stronger. I've actually thought of adding a second, shorter reinforcer to the spreader on the Dowel design. So it gets stronger in stages, towards that critical central bit!

I've noticed that many modern commercial designs have relatively shorter spreaders, positioned closer to the nose of the kite. While this is stiffer, it would also shift the center of gravity forward a little. Maybe they get away with it because of the ultra-light materials used.

Glad the MBK Dowel Delta basically flew well for you though!

Click here to add your own comments

Join in and write your own page! It's easy to do. How? Simply click here to return to MBK Kite Making.

 

What's New!

  1. A Slow, Ponderous Climb To 250 Feet

    Oct 23, 14 06:00 AM

    An old flight report featuring the biggest Rokkaku I have ever made. This one was a real light-wind floater - but couldn't take much extra breeze at all! A nice high sunset flight on this occasion...

    Read More








Apologies for this site's current lack of video when viewed on mobile devices...

For now, please view this site on a Desktop or Laptop computer to see the videos. And there's plenty of them!

 

 

E-books

Kite-making e-book: Simplest Dowel Kites

This one's FREE
Download it now!


Kite e-book: Making The MBK Dowel Diamond Kite

Download
"Making The
MBK Dowel Diamond Kite"
(see flight video!)


Kite e-book: Making The MBK Dowel Delta Kite

Download
"Making The
MBK Dowel Delta Kite"
(see flight video!)


Kite e-books: The Big MBK Book Bundle

Download the
"MBK Book Bundle"





E-book
Testimonials

(unedited)

"Love the easy to understand step by step instructions, made from next to nothing materials and above all so much fun to fly... cheers Tim for sharing your well thought out pdf kite designs with the whole world.

Very satisfying making your own and watching them get air-born for the first time."

_________________

"I've just bought your super e-book and spent most of last night pouring through all the great stuff in it!

Very detailed and USEFUL information - thanks for such a great book."

_________________

"30+ years ago, I tried making a kite using the 'instructions' in a free kite-safety booklet. What a disappointment for a young boy.

 Your instructions and methods are wonderful. You help the builder to focus on accuracy, without making it hard. Also, you use materials that are durable, yet cheap!"

_________________

"omg i made a kite from this site and i fly it ....... booom i didnt expect this bc in the other sites instuction are trash

thank you"