flyole
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flyole 29/10/2019
This little windmill is very sturdy and well built in noncorrosive materials. Just for the first test I put it on a 3m ø50mm pole in a hole. In 6 m/sec. I got about 30-50W, the higgest output I have seen jet is about 160w in 8-10m/sec. You have to know the power from the wind is a cubic function. Thus the double wind speed has 8 times more power. Combined with a solarpanel and a big 24V battery, it is possible to make a low cost off grid system for a summerhouse. Unfortunatly my windmills battery controller broke down during the 8-10m/s wind. I think this happened, when the battery was fully charged. The controller then shorts the windmills 3 phases and causes the windmill to brake and turning very slow. It is the right way both to prevent overcharging and also protect the windmill from runaway, and exploding in extreme high wind. I am now using a simple 3phase rectifier from windmill to the battery for further test run. Thanks to Banggood for making a low cost entry to alternative energy. In Denmark more than 43% of all el. energy is generated from wind mills.
1200W Wind Turbine Generator 12V/24V 3/5 Blades With Charge Controller Wind Generator kit
US$274.99 US$329.99
18
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Comments (1)
flyole 21/08/2021
All 10 unit received in perfect condition. the internal resistanse of 9 unit was within 10% making a series connection atractive, using a swithmode stepdown conveter to make a regulated voltage. One unit was 40% higher resistanse an might cause a voltage drop in the 9units series chain. This unit will be used in a stove ventilator. Thank you Banggood.
10pcs 40x40mm Thermoelectric Power Generator Peltier Module TEG High Temperature 150 Degree
US$27.22 US$32.66
0
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Comments (0)
flyole 09/07/2021
OK. Very strong broke a 21mm top. Very satisfied.
VIOLEWORKS 580N.M 2 in 1 Electric Cordless Brushless Impact Wrench Driver Socket Screwdriver
US$103.10 US$89.99
0
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flyole 12/06/2021
Works fantastic. Petrol engines offer the best fuel economiy at max turning mometum at full trotle. This model is firing full trotle once every 7-10 revolutions as the old big farm engines. When unloaded. increasing the load makes the engine fires more and more often until firing at each revolution at max load. Runing unloaded this engine does not need watercoling as it only gets up to 50 degree centigrade. Engines with throtle regulation is very hungry at part load, compared to this kind of regulation where the engine always fires at high pressure. This engine is well built and very pretty. My only complaint is the essesive main-and conrod bearing play. I did make some extra bearinghalves. 8mm wide 0,05mm thick strips from a from an aluminium foodcontainer. Now the engine is running without any bearing noise.
Eachine ET1 STEM Upgrade Hit & Miss Gas Engine Stirling Engine Model Combustion Engine Collection
US$249.99 US$369.99
0
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30mm 21V Electric Garden Pruner Scissors Cordless Pruning Shears Branch Cutter W/ 1 Or 2 Li-ion Battery High-carbon Steel Standard
US$128.99 US$180.99

Q: Price for new blades? are blades in stock? If not I wont by the product.

Asked by flyole on 2020-05-08 06:10:39

Felicity I guess no blade

2020-05-14 01:28:18 Helpful (1)
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Answers (1)
120W High Power Rechargeable Cordless Wet&Dry Portable Car Home Vacuum Cleaner
US$33.33 US$40.00

Q: How can two 18650 cells in this cleaner deliver 12v and 120W ?

Asked by flyole on 2019-09-19 05:15:15

Suyond Rated voltage: DC 12V Rated input power: 120W

2019-09-19 10:30:04 Helpful (0)
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Answers (1)

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