Magnit Slot

2021年3月12日
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*I enjoy repairing slot cars as much as racing them. Aurora slot cars are one of the few brands that can be completely rebuilt. Parts for Aurora slot cars are still easy to get on the web and some hobby shops. The do’s and don’ts to buying slot cars on Ebay So you want to buy some new cars for your collection. Ebay has a good selection of slot cars.
*In this two topic video we will look at the basics of current HO magnet car rear silicon slip-on tires and the traction magnets in them. Good tires and bett.
*EH36BK: Magnet CD Slot Car Mount; More Views. EH36BK: Magnet CD Slot Car Mount. Be the first to review this product. Please login to see your price.
*Slotted Mag Wheels For Trucks
*Magnet Slots
*Us Mags Wheels For Sale
All images and descriptions are for illustrative purposes only. Visual representation of the products may not be perfectly accurate. Product specification, functions and appearance may vary by models and differ from country to country.Magnetic Slot WedgesSlot Wedges
Magnetic and non Magnetic Slot Wedges
SPInduwedge Slot Wedges are made of either magnetic or nonmagnetic Material, being used as Slot Closures to hold the stator windings in the slots formed between the stator teeth.
Slot wedges made of magnetic material are a significant means to improve the efficiency of a motor or generator. Magnetic slot wedges reduce slot ripple in the air gap flux caused by the changing reluctance due to the slots, and also reduce the associated eddy current losses due to the interaction of the harmonics in the air gap flux with the conducting surface of the rotor.The magnetizing current required in the stator windings to generate the desired air gap flux is less with magnetic slot wedges, since more of the air gap flux is available for useful power production.
Magnetic slot wedges reduce starting current, improve cos phi and load current, and lead to reduced iron loss (core loss).
Typical reduction of iron loss is in the range of some kW depending on the type of machine. This means a correspondingvalue of some thousand Euros, when calculating the machine prize. So it is obvious that additional costs for high performanceslot wedges clearly pay off.
Conventional slot wedges are that weak that they often are not fulfilling the mechanical needs so that some companies arenot using magnetic wedges any more.
The mechanical properties of SPInduwedge – a new generation of magnetic slot wedges – are surpassing that of conventionalmagnetic slot wedges (made out of laminated material) by far and it is to mention that they are in the range of nonmagnetic (i.e. unfilled) glass fiber reinforced material, some non magnetic material they are even surpassing.
Further, our magnetic Slot wedges are not produced from Sheets which means a massive Improvement since cutting and grinding of Sheets with High Glass Content has a Major Impact on Health.
SPInduwedge (magnetic) Temperature Class F HP
PropertiesSPInduwedge F [HP] – High Performance, is a rolled and pressed slot wedge made of special epoxy glassfibre ironpowder prepreg which has good magnetic conductivity and high electrical and thermal resistance combined with excellent mechanical strength.
ApplicationMagnetic slot wedges are used for example as induction motor, wind generator and traction motor – slot closure key.
Datasheets on enquiry (office@spindustries.at)
SPInduwedge (magnetic) Temperature Class H (HP)
PropertiesSPInduwedge H [HP] – High Performance, is a rolled and pressed slot wedge made of special epoxy glassfibre ironpowder prepreg which has good magnetic conductivity and high electrical and thermal resistance combined with excellent mechanical strength.
ApplicationMagnetic slot wedges are used for example as induction motor, wind generator and traction motor – slot closure key.
Datasheets on enquiry (office@spindustries.at)
Slotwedge Information Folder & Test Results
*Information folder about the unique advantages and properties of SPInduwedge Magnetic slot wedges.
*Our Magnetic slot wedges have been extensively tested for their mechanical properties at the Technical University of Vienna.to prove the stability of SPInduwedge and to compare the mechanical data with conventional magnetic slot wedges. The results of this investigation are shown in the diagrams of this folder and in an descriptive 23-page booklet (Technical Report), which can be downloaded here.
This extremely high flexibility is a result of SPI’s patented Production Process. If you try this with any Competitors Wedge, it will most likely break or delaminate.
*A magnetic loop antenna for HFAble to cover all frequencies between 3.5 and about 10 MHz, the loop described here is directional, does not require a radial system, and stands just 1.8 metres tall. The antenna can be put together in a short time and is cheap by Peter Parker VK3YE ex VK1PK
*160/80m Coaxial Receiving Loop AntennasReceiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it’s small size it is quite rotatable.
*Portable Loop AntennaThis loop it is small and light enough to carry while operating, it disassembles into small but rugged pieces that fit easily in a backpack or gym bag, and it can be tuned from 14 MHz to 30 MHz.This tunable magnetic loop antenna is my contribution to the well established art of amateur loop making. Can be tuned from 14 MHz to 30 MHz.
*Magnetic Loop antennaWhy is an Magnetic Loop antenna so special, this antenna is picking only the magnetic part of the elektro magnetic radio wave. The big advantage of this antenna is that the electric interference from the big city have no influence on the received signal
*RockLoop AntennaA Compact antenna for 10, 14 & 21 MHz Bands. A multiband portable and indoor antenna suitable for QRP operations based on an original idea by W9SCH that described this small loop in Sprat 60.
*A Portable Multi-Band Magnetic Loop AntennaDescribed here is a simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres, but by changing the overall length of the wire coverage of other bands is feasible
*A magnetic loop antennaMagnetic loop antenna by GM3MXN
*Build A Magnetic LoopDocuments and schema on how to build a Magnetic Loop Antenna fo 80/30 mtrs
*My 80 Meter Magnetic LoopA custom made 80 meter loop antenna. Reports on usage and tips to build the support.
*MAGLoop AntennaMagnetic loop antenna for 10-30 MHZ, 3.5-10 MHZ, description, construction details, homemade.
*HF Copper LoopA small transmitting loop antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BRBased on material originally published in Amateur Radio, 11 1991
*Small Loop AntennasExperience and practical use of magnetic loop antennas, by N0HC
*How to build a tuned loop antennaHow can you vastly improve your Medium Wave reception? its quite simple really, all you need is 120 foot of wire, a few lengths of timber and an old tuning capacitor with which you can build the answer to every DX’ers prayers, a tuned loop antenna.
*W8JI Technical pagesAmplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.
*A Magnetic Loop Antenna for Shortwave Listening (SWL) by KR1STA well documented plan to build a magnetic loop antenna for Shortwave Listening, includes photos and diagrams.
*HF Receiving Loop AntennaHF receiving loop antenna, an easy-to-make receiving loop antenna for HF
*VHF Magnetic LoopVHF magnetic loop atenna by ON1DHT
*144 Mhz Magnetic LoopA magnetic loop antenna for 144 mhz, two meter band
*K9FV 40 meters band loopA Mississippi Style 40 meter magnetic loopmade from available aluminum conduit, this antenna will not disappoint by Ken Holland, K9FV
*LA6NCA Loop antennaCar mount magnetic loop antenna plans from 3.5 MHz to 7.5 MHz, LA6NCA, Larvik, Norway
*A multi-band super mini loop antennaTo build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands
*How to build your own Magnetic LoopAn easy guide to ’How to build your own magnetic loop’ for 20 meters
*Magnetic loop for 80mA Magnetic loop antenna project for 80 meters band by OH7SV, with detailed pictures and the Magnetic Loop Calculator in an Excel file
*1.8 to 21 Mhz Magnetic Loop antennaMagnetic loops are a compromise antenna and performance will be down on a full size-wire antenna particurlarly on lower HF Bands. This article compare this magnetic loop with a full-sized wire antenna on 80 meters by VK3YE
*HB9ABX FelixHam Station description of HB9ABX and CE3CWF, magnetic loop antenna details, Free Energy devices, Pictures from Switzerland and Chile.
*Loop antenna resonant frequency calculatorCalculates resonant frequency of a loop antenna, correcting for distributed capacitance.
*Remote Loop TuningLyle Koehler’s article on remote use of LF loop antennas for receiving purposes.
*5 Band Indoor Magnetic LoopA indoor magnetic loop antenna that covers 20 17 15 12 and 10 meters band with a 3 meter lenght of 22 mm copper tube by G4IZH
*HF Copper Loop for 20 and 15 metersA Small Transmitting Loop Antenna for 14MHz and 21MHz.This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR
*Bicycle Rim Antenna for 20 MetresA small transmitting loop antenna for 20 metres using a aluminium bicycle wheel rim.
*1 meter HF loop Antenna- Remotely tuned 1m diameter HF loop antenna for 7 to 29MHz by G8JNJ
*1.8 to 21 Mhz Magnetic Loop antenna- Magnetic loops are a compromise antenna and performance will be down on a full size-wire antenna particurlarly on lower HF Bands. This article compare this magnetic loop with a full-sized wire antenna on 80 meters by VK3YE[ Hits: 12662 | Votes: 32 | Rating: 6.3 ]
*144 Mhz Magnetic Loop- A magnetic loop antenna for 144 mhz, two meter band
*160/80m Coaxial Receiving Loop Antennaspop- Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it’s small size it is quite rotatable.[ Hits: 63948 | Votes: 59 | Rating: 6.05 ]
*30-10 Meter Loop - An home made magnetic loop antenna project using a military surplus 150pf capacitor by KF5CZO
*5 Band Indoor Magnetic Loop- A indoor magnetic loop antenna that covers 20 17 15 12 and 10 meters band with a 3 meter lenght of 22 mm copper tube by G4IZH[ Hits: 8008 | Votes: 14 | Rating: 6.64 ]
*80 meter loop antenna- PA1G loop antenna for 80 meters band, in dutch
*A loop antenna for 7 MHz to 30 MHz- This note describes a relatively small, but efficient, loop antenna initially created for portable operation. With suitable modifications, it can be adapted for fixed station use. In this age of CC&Rs, an antenna similar to this may very well be the answer to your problems. Have a look, be inspired, get out the torch / soldering iron and create your own version![ Hits: 2202 | Votes: 8 | Rating: 7.25 ]
*A magnetic loop antennapop- Magnetic loop antenna by GM3MXN
*A Magnetic Loop antenna for 7-21 mhz- If you find external wire antennas obtrusive for amateur radio or short wave listening, then this is the antenna for you, is just 1 meter diameter[ Hits: 3739 | Votes: 2 | Rating: 5.5 ]
*A magnetic loop antenna for HFpop- Able to cover all frequencies between 3.5 and about 10 MHz, the loop described here is directional, does not require a radial system, and stands just 1.8 metres tall. The antenna can be put together in a short time and is cheap by Peter Parker VK3YE ex VK1PK
*A Magnetic Loop Antenna for Shortwave Listening (SWL) by KR1ST- A well documented plan to build a magnetic loop antenna for Shortwave Listening, includes photos and diagrams.[ Hits: 20175 | Votes: 22 | Rating: 8.37 ]
*A multi-band super mini loop antenna- To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands
*A Portable Multi-Band Magnetic Loop Antennapop- Described here is a simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres, but by changing the overall length of the wire coverage of other bands is feasible[ Hits: 34100 | Votes: 11 | Rating: 6.27 ]
*A Small Loop for 20 and 15 meter band- A Small Transmitting Loop Antenna for 14MHz and 21MHz, an antenna you might consider if you have limited space, Based on material originally published in Amateur Radio, November 1991
*AB2EW Mag Loop Antenna- Portable magnetic loop antenna that can handle 50W from 40 to 15 meters band by AB2EW[ Hits: 1107 | Votes: 2 | Rating: 6 ]
*Active Loop Converter for LF- Active Loop Converter for the LF Bandby Lloyd Butler VK5BR originally published in Amateur Radio, July 2000)
*Advanced active VLF Loop- Article on using loop antenna in very low frequencies[ Hits: 2313 | Votes: 3 | Rating: 7 ]
*An Unusual Magnetic Antenna- This article by OK1FOU describes how to build a relatively small loop antenna which can be placed for instance at the balcony. It is especially suitable for a two band antenna covering two adjacent amateur radio bands (10/14 MHz, 14/18, etc.)
*Antentop: Loop Antennas- Article on radiation patterns of small loops, equivalent circuits of loop antenna, small loops as receiving antennas, ferrite loops[ Hits: 2051 | Votes: 4 | Rating: 8 ]
*AutoCap Tuner for mag loop Antennas- This article describes a loop tuning system that automatically keeps a contest-band loops properly adjusted as operator hop around each band, made with Arduino
*Balcony and pedestrian mobile motor tuned loop- This antenna was designed to meet the requirements of a light body worn small magnetic loop covering all the frequencies continuously from 7 MHz to 29.4 MHz[ Hits: 2811 | Votes: 0 | Rating: 0 ]
*Bicycle Rim Antenna for 20 Metres- A small transmitting loop antenna for 20 metres using a aluminium bicycle wheel rim.
*Build A Magnetic Looppop- Documents and schema on how to build a Magnetic Loop Antenna fo 80/30 mtrs[ Hits: 29050 | Votes: 12 | Rating: 6.76 ]
*Coca Cola Loop Antenna- The Coke Loop is a Small Magnetic Loop Antenna tuned by a trombone-style variable capacitor made with standard soda cans
*CT1ETT Magnetic loop antenna- This magnetic loop is 78cm diameter, with the smaller Hertz loop for tuning. Feeding is by gamma match.[ Hits: 2054 | Votes: 1 | Rating: 10 ]
*DIY magnetic loop antenna by Chamaeleon Antennaupdated- A page describing how to setup a magnetic loop antenna with the DIY Magnetic Loop Starter Kit produced by Chamaeleon Antenna. Includes a video and a detailed instructions to setup.
*DL7JV Magnetic antennas- A german documento on magnetic loop antennas[ Hits: 1896 | Votes: 3 | Rating: 8 ]
*DL7JV Magnetic Antennas- DL7JV Christian report his direct experience on magnetic antennas
*EA4FRB Magnetic Loop- A magnetic loop antenna working from 30 to 15 meters with 100W[ Hits: 1097 | Votes: 1 | Rating: 1 ]
*EA5XQ’s Projects: Magnetic Loop- Due to my job I have top travel a lot around the world, in order to find a way of making radio I decided to build a Magnetic Loop after some comments of other colleagues for working between 20 and 80 meters mainly.
*F5NGZ Magnetic loop antenna- Antenne Cadre Project by F5NGZ, description by F5TZA in french[ Hits: 2057 | Votes: 6 | Rating: 6 ]
*G3FNZ Loop Antenna- A directional active loop receiving antenna system by J A Lambert G3FNZ article published on Radcom in november 1982
*G4TPH Magnetic Loop Antennas- Portable magnetic loop antennas - G4TPH Mag-loop antennas Reviewed in PW and RadCOM, Both QRP and QRO, Portable. The only Magloop on the market that is fully portable[ Hits: 2261 | Votes: 6 | Rating: 7 ]
*GM3MXN Magnetic Loop Antenna- This article describes a loop usable from 7 - 21 mHz, using half inch copper tube 3 feet in circumference
*Ham Radio Loop Antenna- Amateur radio loop antenna project using a Comet CVBA-500BC vacuum variable capacitor.[ Hits: 195 | Votes: 0 | Rating: 0 ]
*HB9ABX Felix- Ham Station description of HB9ABX and CE3CWF, magnetic loop antenna details, Free Energy devices, Pictures from Switzerland and Chile.
*HB9AGD Magnetic Loop- Pictures and antenna plan of a magneti loop antenna working in the range 6.650 7.250 Mhz in french[ Hits: 1608 | Votes: 0 | Rating: 0 ]
*HB9MTN Loop for 6 meters- picture and dimensions of a coax loop antenna centered at 51.490 MHz
*HB9MTN Loop for BCL- Magnetic Loop antenna for broadcasts band reception[ Hits: 1395 | Votes: 0 | Rating: 0 ]
*Helical loop antenna for 20 meters- A Helical Loop Antenna for the 20-meters Band
*Helically Loaded Magnetic Loop Antenna- A considerably shortened Magnetic Loop antenna with performance of a single conductor text book magnetic loop.[ Hits: 496 | Votes: 12 | Rating: 1.75 ]
*Hex-Shaped 160 Meter Receiving Loop- A Hex-Shaped 160 Meter Receiving Loop Greg Ordy W8WWV
*HF Copper Loop- A small transmitting loop antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BRBased on material originally published in Amateur Radio, 11 1991[ Hits: 24925 | Votes: 20 | Rating: 6.46 ]
*HF Copper Loop for 20 and 15 meters- A Small Transmitting Loop Antenna for 14MHz and 21MHz.This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR
*HF loops vs Half Loops- HF loop and half-loop antennas in a few words[ Hits: 1331 | Votes: 0 | Rating: 0 ]
*HF Magnetic Loop Antenna- Local and DX contacts from tight spaces, it works from 40 to 17 meters
*HF Magnetic loop antenna- VK3YE magnetic loop antenna plan that cover 7 Mhz to 20 Mhz and shortening loop can work on 21 Mhz.[ Hits: 1202 | Votes: 1 | Rating: 5 ]
*HF portable magnetic loop- Here is a well documented plan of a 20m-10m compact magnetic loop antenna. Article includes lots of pictures and technical details published by KP4MD
*HF Receiving Loop Antenna- HF receiving loop antenna, an easy-to-make receiving loop antenna for HF[ Hits: 18702 | Votes: 8 | Rating: 6.75 ]
*HF Resonant Loop Antenna- The antenna was built to be used for shortwave listening with a Tecsun PL-660 radio receiver. Later it was used with Yaesu VX-6 handheld transceiver and with Yaesu FT-817ND for shortwave listening.
*Home made High Power Magnetic Loop Antennas- Magnetic Loop Antennas for The Radio Operator with Limited Space, a two part series of articles on how to construct a magnetic loop antenna, including directions on selecting high voltage tuning capacitor[ Hits: 781 | Votes: 0 | Rating: 0 ]
*Homemade Magnetic loops antennas by F5RDS- Basic magnetic loop antenna examples and loop aer

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