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This length converter enables you to convert any length from one unit to another. Enter the length in the top box. Select the units you are changing from and to using the dropdown lists. Click convert to get the result.
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Length Converter
Calorie Counter (weights)
Enter the volume of food on the top line. Enter the calories/gram from the calorie counter tables or calories/100 grams from the nutrition label. Click calculate to get the number of calories.
Calorie Counter (volumes)
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Enter the volume of Alcoholic drink on the top line. Enter the % alcohol by volume. Click calculate to get an estimate of the number of calories. Works for beer cider wine and spirits. Fortified wines and liqueurs have to be calculated individually using nutrition labels
Calorie Counter (alcohol)
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04 January 2013
04 January 2013
Tekno Hawk
Hot Wire Cutting Rig
It was quite susceptible to tissue damage on the underside of the wing though, so I redesigned it in foam. This version is a hot performer in the right hands, and is relatively simple to build with the working drawings and constructional notes provided.
Tekno Hawk:
If you want to build Tekno Hawk (and some of the other offerings on this site) you will have to be able to cut foam wings. This is a very simple foam cutting system which uses AA rechargeable batteries for power, eliminating the need for any mains circuitry. The unit uses stainless steel cutting wire as an improvement on nichrome. Higher wire tension, lower creep and the lack of a bulky mains supply makes for a very user friendly set-up.
Hot Wire Cutting Rig
Tekno Hawk
Here is a natty little electric powered flying wing I designed some years ago. The original was a stick and tissue affair, which was super lightweight with a ballistic performance.
Foam Cutting Rig
Efficiency Matters
04 January 2013
Here is an article I wrote about whether it is best to fly a plane with its electric motor running flat out (as most people do) or whether it is better to use a slightly larger, heavier motor running at peak efficiency.
I think you will agree that the discussion and results make for interesting reading!
Efficiency Matters
Slick Stick
04 January 2013
Slick Stick is a compact, simple and exciting slope glider. Quick and easy to build, she is happy flying in a wide range of conditions from a light breeze to not much short of a gale.
Slick Stick fills a gap between traditional, relatively docile, so called aerobatic models and more modern fully moulded ships. Features include a balsa skinned foam wing, high efficiency aerofoil sections and low drag pod and boom fuselage.
Slick Stick:
Slick Stick Glider
[Plan]
[Constructional Notes]
[Plan]
[Constructional Notes]
badobadop022013.jpg
Dipstick
04 January 2013
Dipstick is strong and easy to fly. It is a perfect trainer for novice pilots young and old. she is fast and nippy with the throttle open, but is light enough to fly close in and slow when throttled back. Construction is very simple and features a stick fuselage, all sheet, 'Jedelski' wing.
Dipstick
badobadop022011.jpg badobadop022010.jpg
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