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Get your battle tank on this page: bit.ly/2ZfFykx, using the code "Leandro" get 10% discount.
► Would you like to have an affordable engine ?? Discover this model: bit.ly/3fkC59Q, using the code "Leandro" get 10% discount.
► See the continuation of this video, with power test, measurements, new projects, and disassembled: • Parte 2 - continuação ...
► Discover a mini tractor with a fire-eating engine: • Mini trator com motor ...
I want to thank everyone, who somehow contributed and helped my channel, over the past few years. OBS: in the video there was an accident that the war tank fell, and a flare of fire appeared without damage, just be careful that it doesn't happen on cloth and wood!
In this video you will be able to follow, a battery of tests, that this battle tank was submitted. It also demonstrates the measurements of the Stirling engine, a test of power in the war tank traction and how the project was assembled.
► How the fire-eating engine works: • Veja como funciona o m...
► Cold piston suggestion for Stirling engine: • Funciona o novo pistão...
► How to make a simple Alpha engine: • Tutorial 2: Construa s...
Personal opinion: although this battle tank is a commercial product, I realized new possibilities to improve our engines, with some characteristics of this project, we can manufacture our own carts.
From the first moment I met this engine, I immediately noticed that it was an engine with unusual characteristics. I found that the piston strokes are relatively large, approximately 16 mm, considering the piston diameter 12 mm. Even so, the engine reached record speeds (2900rpm) and maintained excellent torque. That will be the focus of my new project.
Similar features I got on my Stirling Alpha engine many years ago, see the video below: • Teste de velocidade má...
My engine reached 1900rpm with strokes of 30 mm for each piston, almost double and 14.5 mm in diameter. In both examples, we have good rotation and good torque. Obviously mine has a lower speed, but on the other hand, it is among the engines with the highest torque that I manufactured.
I was surprised at 2500rpm when walking on a flat track and much more impressed with the 2900rpm in free rotation. Considering its low displacement of 3.62 cc, it still shows a good breath in the torque. In addition to the test performed on the video, I have already carried out another experiment, where the battle tank pulled up 900 grams of weight and its rotation remained at 1500rpm. All this strength is admirable, I didn't imagine so much torque, the engine starts to lose torque at speeds close to 600 rpm.
It does not require lubrication on the pistons, only after a long time, it is interesting to put grease on the joints.
Even without a liquid cooling system, it heats up to the point of burning your fingers, but does not prevent its continuous operation for hours.
I also noticed, in addition to the good performance, it is a well elaborated project, aiming to reduce the manufacturing cost. Because only a 5 ml glass syringe was used to make the two cylinders and pistons, very well thought out.
The use used high temperature silicone o-ring to attach the glass syringes and the test tube to the aluminum block, allowing for the possible replacement of the glass cylinder.
► Features:
- The stroke of each piston is 16 mm and 12 mm in diameter for each piston and even with a stroke slightly larger than the common, it reached this high rotation.
- The total weight is 1,263 grams stocked.
- The engine alone weighs 420 grams.
- The length of the cold piston is 20 mm.
- The length of the hot piston is 50 mm.
- The connecting rod length is 51 mm.
- The test tube is 40 mm long, 16.5 mm outside diameter and 14 mm internal diameter.
► discover a double cylinder engine producing energy and with a special price: bit.ly/38JSrGA, using the code "Leandro" get 10% discount.
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Thank you for your attention, 2021 will be a year full of news!
Leandro Wagner.