Which Fisher-Price Swing Should I Get?

i have the natures touch cradle swing. i have had it since baby was born she's about 6.5 months..i love it! so far motor hasnt died and i have used it almost every single day. i have had to replace batteries twice because i use it so much.

1. How can I insulate my hot tub ?

I had a "sparay foam" man come with his rig and spray on 3 inches of CLOSED CELL foam in all areas except the pump and motor which is already in an enclosure. Look in yellow pagees under insulation. He charged me $75. I already had a cover on it

2. How do i replace the windshield washer fluid motor?

Have you made sure the motor is bad. It might be the switch. if it is bad there sould not much to it except for changing motor and pluging it in

3. What is the cost of owning a 17'-21' boat (insurance, maintenance, gas)?

Depends on the type of boat, the manufacturer, the type, size and brand of motor, etc. Just understand and remember this rule: BOAT-Bring On Another Thousand, or in more realistic terms-Bend Over And Take it.I have an older fiberglass 20 cuddy I completely redid, from redoing the gel coat, to deck, special flotation, I/O engine, Alpha One outdrive and upholstery. I have about $17000. 00 into it because I did most of the work myself. It has s 30 gallon tank, and a little 170hp 3.0, which means I can run wide open throttle (WOT) all afternoon and still get like 5 to 7gph (gallons per hour) depending on conditions, and can run along between 40-45mph. I change the engine oil and lower unit oil myself in the spring, and that's it. This year I think I need a new impeller, not too bad, and a couple of gauges.Oh...forgot the insurance. I think I pay about $300 a year.What is the cost of owning a 17'-21' boat (insurance, maintenance, gas)?.

4. What is wrong with this cassette player?

I think you may need to take it back to where you had it from - usually the motor drives the tape spindle via a belt - what you are experiencing sounds like the belt is already stretched or otherwise faulty. If you must fix this yourself, you will need to get inside and take a look at the system to see if there is an obvious problem with the belt-drive or motor. I am not confident that the effort you will have to spend to correct the problem will really be worth it, as often you will need to remove a whole load of components to change the belt - then when you have put it all back, you will always have one screw and an unidentifiable plastic component left over... ;)

5. Ford Focus won't start after replacing battery. Suggestions?

starting motor

6. Wouldn't placing an inductor instead of a capacitor have the same effect in fans?

Short Answer: The capacitor is used with an inductor to create a rotating magnetic field. There are two coils (inductors) in a single-phase motor.If you apply single-phase ac to a coil, you get a magnetic field which is proportional to the current. You apply a sine wave current and you get a sine wave magnetic field. Starts at 0, goes to a maximum NS, back to 0, to a maximum SN, back to 0, repeat. This will not create rotation. If you apply that to a motor with a magnetized rotor, the rotor vibrates but does not rotate. On a three-phase motor, the application of three-phase power creates a 360 revolving magnetic field because the three coils (A, B & C) experience different phases of current. As shown by linked image. From AC Motor TheoryBut single-phase current does not create a revolving magnetic field, so we have to cheat. We apply the single-phase current to a winding AND use a capacitor to phase shift the applied voltage to another angle and apply that to a second winding. This second winding reaches it's peak magnetic field not at the same time, so it creates a torque in one direction to cause rotation.From Electrical TrainingThere are different types which use capacitors to create a phase shift. But some designs, Shaded Pole use just inductors with different sized wires to create torque, but torque is significantly lower so it is only useful for light loads. Either way, two coils must be used to create rotation in a single-phase motor

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IGBT of Fuji Motor Electronic Equipment Technology
The IGBT technology of Fuji motor and electronic equipment technology has been commercialized since 1988 and has been supplied in the market so far. Figure 1-3 shows the development process and application technology of IGBT products from the first generation to the fifth generation. Epitaxial wafers are used in the first to third generation IGBT, and the characteristics are improved by optimizing life cycle control and refinement technology of IGBT. Then, the fourth and fifth generation products have achieved significant characteristic improvement through the transition from epitaxial wafer to FZ (floating zone) wafer. In this regard, the design policy of IGBT has changed greatly compared with the past.Firstly, the basic design idea of IGBT using epitaxial wafer (series products up to 600V of the third to fourth generation, called "breakdown type") is as follows. In order to realize the low-pass state voltage during IGBT conduction, a large number of carriers are injected from the collector side to fill the IGBT with high concentration carriers. In addition, the n-buffer layer specially set to maintain the high voltage forms a very thin n-layer, so as to realize the low-pass state voltage. In order to realize fast exchange, life cycle control technology aiming at the rapid disappearance of carriers filled in IGBT is also adopted (through these, low exchange loss (eoff) can also be realized). However, once the life cycle control technology is applied, even in the normal on state, due to the effect of this technology (the carrier transport efficiency decreases), there is a problem of increasing the on state voltage, which can be solved by further high carrier injection.In short, the basic design concept of IGBT using epitaxial wafer technology can be simply summarized as "high injection and low transmission efficiency". In contrast, IGBTs using FZ wafers (series after the fourth generation 1200V) adopt a reverse basic design to inhibit the injection of carriers from the collector side and improve the transmission efficiency by reducing the injection efficiency. In the above-mentioned design concept of IGBT using epitaxial wafer "high injection and low transmission efficiency", the carriers that are not easy to be injected are forcibly suppressed through the control of life cycle, which not only limits the improvement of characteristics, but also increases the standard deviation of on-state voltage characteristics through the control of life cycle, It is very disadvantageous to the large capacity required for parallel use with increasing requirements in recent years. The technology developed to overcome this problem is a new IGBT using FZ chip (NPT: non punch through (used from the fourth generation IGBT) / FS: field stop (used from the fifth generation IGBT) - IGBT). The IGBT does not adopt life cycle control. Its basic design idea is to control the impurity concentration of the collector (P layer), so as to inhibit the carrier injection efficiency. However, in order to realize the characteristics superior to the IGBT using epitaxial wafer, it is also required to realize more than one hundred for the 1200V high voltage resistant series IGBT μ M (the thickness of n-layer in NPT and fs-igbt using FZ wafer ≈ the thickness of chip (wafer). The thinner the thickness, the lower the on state voltage can be generated). In short, it is not too much to call the development of IGBT using FZ chip a challenge to chip thickness.Fuji electric and electronic equipment technology has solved these problems. Starting from the fourth generation 1200V series - IGBT, it has realized the commercialization of "s series" constructed by FZ chip NPT. In addition, 600V series technology with higher thickness requirements is further developed, and 600v-u2 series (fifth generation) is being commercialized. In addition, in 1200V series - the fifth generation "U Series", in order to improve the performance better than s series, NPT structure has been changed to FS structure.The so-called FS structure does not use the life cycle control technology. While following the basic design concept of "low injection and high transport efficiency" of carriers, an n buffer layer to maintain voltage is set on the FZ wafer, so as to realize the IGBT structure thinner than the NPT structure. Through this change, 1200v-u series realizes the low on state voltage characteristic better than s series, and completes its commercialization. In addition, this technology is also used in 1700V series high voltage withstand series, and is also starting to be commercialized.Figure 1-3 changes of Fuji motor electronic equipment IGBT application technologyIn addition, Fuji electric and electronic equipment technology is also refining the surface structure indispensable for the improvement of IGBT characteristics (IGBT is formed by multiple IGBT plates. Through refinement, the more plates, the more low on-state voltage can be realized). Up to the fourth generation products, the planar structure (the structure of planar IGBT) has been used to promote refinement, so as to improve the characteristics. However, starting from the fifth generation products - 1200 and 1700V series, the grooved IGBT technology slotted on the Si surface and constituting IGBT has broken the subtle technical barrier and achieved unprecedented characteristic improvement. Figure 1-4 shows the change of characteristic improvement of 1200V series.Figure 1-4 improvement of balance characteristics
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