Radio amateur R4NAF Yuriy

Such cases are not available for sale. The case is sturdy. Without glue. Cutting – laser cutting. Price – nothing. More honest 20a * h. One minus – these batteries are afraid of cold. Continue reading →

Hello, friends. I found the old C-96 tire manufactured in Russia. Unfortunately, this bus is no longer produced. I could not find it in the stores. What are the advantages of this tire?
1. Hard rubber, less wear on the asphalt.
2. One-piece central strip, less wear on the asphalt.
3. One-piece central strip, there is no noise when driving on asphalt. Continue reading →

The front and rear wheel motorcycle IZH are absolutely identical. The difference is only in the filling. On the front wheel on the splined hub there is a driving gear of the speedometer drive. And on the rear wheel a torque is transmitted to the splined hub.

Over time, the splined bushing wears out on the rear wheel, as seen in the photo. Change the seats front and rear wheel, and the motorcycle target for a long time.

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After receiving the first wireless headset last week. Yesterday came another two wireless headsets. It is also not expensive. And that’s what I want to say … these two (B1 and SPORT-BT) is much easier than the first S530. The ear does not get tired, and the battery is more powerful – at longer enough work. More wireless headsets do not wait and buy them no longer going. Enough of these.

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Ready knife

Hello, friends. I want to tell you how I made the knife. This is not the first knife. It’s just a budget and affordable for all knife. Either it can be repeated. For knife needed: Cutter blade 450h32h1.6 steel R6M5. Price of new cloth around $ 6. Two tablets, preferably beech, oak, elm … In my example rosewood (once more bought amaranth and wenge wood is also good).

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I bought to test wireless Headphones Headset Bluetooth S530 for $ 3. It supports protocols from 1.1 to 4.1. To connect the headset with your smartphone, follow these steps. Charge the headset. Press and hold for 3 seconds the button on the headset. Start flashing red and blue led. At this point, go to the phone and see a list of Bluetooth devices. It should show a device called S530. Connect to this device. In this case you may need to enter a password. Continue reading →

I have been looking for a miniature variable capacitor for QRP tuner. On sale they are not. A small variable capacitor do not put in the old lamp unit. So … accidentally stumbled upon an exploded transistor receiver. It turns out there is one variable capacitor that I need. The receiver is called “Meridian”.

Produced at the Kiev factory “Radiopribor”. Year of my radio – 1971. The next step is the production of miniature QRP tuner (for hiking)!

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