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Volts vs Amps

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ChadTower:


--- Quote from: DarkKobold on June 08, 2005, 06:32:39 pm ---The problem is, he is going to have to if he wants to do his project.

I think Chad was talking about making his own 25" vector monitors. Lots of inductance, capacitance, and EM there.

Soldering just takes practice Chad.... Find some crappy pcbs and start soldering to them.

--- End quote ---

Yep... my problem is that every time I get my workbench clear, my wife stacks 50 things on it.  It's like she sees a clear spot and thinks "hey, I can put some crap there."  I do something fundamentally wrong when soldering, I had trouble even reflowing last time.  I had to sit the tip directly on the solder blob for 20 seconds before it would even start to melt.

Navmaxlp:

One thing you can do to speed up the heat transfer is put a little solder on the tip first before you start to desolder a joint. Also tro to get as much of the iron surface area on the joint as you can. And lastly keep as much metal from touching the joint as possible ie dont hold the joint with a pair of pliers. Not only can this burn you but, it also dissipates a lot of heat. The more heat you dissipate the more it will take for the solder to melt. Oh and wick is easier for me to use than a solder sucker but, thats a matter of opinion. Hope that helps.

Quarters:


--- Quote from: ChadTower on June 09, 2005, 08:55:29 am ---
Yep... my problem is that every time I get my workbench clear, my wife stacks 50 things on it.  It's like she sees a clear spot and thinks "hey, I can put some crap there."

--- End quote ---

I have this same problem with my cocktail. Flat surfaces attract crap.

danny_galaga:


--- Quote from: ChadTower on June 09, 2005, 08:55:29 am ---
--- Quote from: DarkKobold on June 08, 2005, 06:32:39 pm ---The problem is, he is going to have to if he wants to do his project.

I think Chad was talking about making his own 25" vector monitors. Lots of inductance, capacitance, and EM there.

Soldering just takes practice Chad.... Find some crappy pcbs and start soldering to them.

--- End quote ---

I do something fundamentally wrong when soldering, I had trouble even reflowing last time.
--- End quote ---


Shooter:


--- Quote from: Navmaxlp on June 08, 2005, 11:19:39 pm ---If any of you ever have any questions dealing with electronics, I am an electronics technician with the FAA. I was military trained (GO NAVY) and have been doing this for quite a long time. Please feel free to PM or post if you need help with anything. I know how the concepts sometimes are hard to grasp at first but once you understand it its easy. Good luck with the tuned tank circuits (RLC networks) and beware the transistor/JFET/MOSFET biasing area of intsruction. Not to scare you or anything hehe

Just a few things for those who may not know since i think more in math than in words

E(voltage) = I (Amps) X R (Resistance)

P (Power) = I (Amps) X E (Voltage)

Something basic for you guys starting out.

--- End quote ---

Wow that is weird I also was Navy trained (ET2) and i now work for the FAA (Milwaukee).  It is a common transition from what i have heard.  Most of our techs are ex military.  I'm going to ILS school later this year.

Shooter

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