Modifying The 36-Amp Megawatt List Of Materials

[MEXICOWANDERER]

http://www.ebay.com/itm/SILVER-Thermal-Grease-CPU-GPU-XBOX-PS-HeatSink-Compound-Paste-ARCTIC-Alterna...

http://www.ebay.com/itm/With-Turn-Counting-Dial-500-Ohm-3590S-2-501L-Rotary-Potentiometer-Pot-10-Tur...

http://www.ebay.com/itm/Helping-3rd-Hand-Soldering-Iron-Hobby-Tool-w-Vise-Clamp-Magnifying-Glass-New...


Details about With Turn Counting Dial 500 Ohm 3590S-2-501L Rotary Potentiometer Pot 10 Turn EBAY


http://www.ebay.com/itm/20-AWG-5m-Gauge-A-Silicone-Wire-Wiring-Flexible-Stranded-Copper-Cables-for-R...

http://www.ebay.com/itm/New-RadioShack-15-Watt-Soldering-Iron-6402051-/222272498433?hash=item33c0792...

http://www.ebay.com/itm/0-3mm-63-37-Tin-Lead-Diameter-Rosin-Core-Flux-Solder-Welding-Iron-Wire-Reel-...

• Cheap digital multimeter for ohms and volts. No calculations necessary. EZ job
• If you have some of this stuff, great, if not here are the links
• The silver heat sink grease is for replacing the zinc oxide on the Megawatt transistors and rectifiers -EZ to do. Yes, this grease transfers heat that much better
• The lock on the voltage adjustment potentiometer is to lock it so it doesn't move and the number help to pre-set it
• You'll also need a decent quality #1 and #2 phillips screwdriver
• A handy magnet to keep all the screws together
• Some rags to wipe off the white zinc oxide grease
• I need No.4 reading glasses. You may need stronger, weaker or none
• The "3rd Hand" alligator clip holder is worth it's weight in headache tablets to hold wires still when soldering
• The existing potentiometer does NOT have to be removed
• Only two small wires needed to be soldered to the Megawatt board
• The other end of the wires will be soldered to the potentiometer
• Geeky language will not be used, and no assumption will be made that you have ever soldered anything. No Einstein calculations
• This will be a step-by-step photo do-it-yourself complete with handy "why can't I?" answers

[iagary]

Have my materials and text instructions. Ready for pictures for my review. Will try to get feedback ASAP when pictures are available.

[AStinker-]

Hot **** round & round, that is a plan, best news I've heard in days. Mex, Mr Wizard and anyone involved your work is appreciated! And Mex, I for one can relate to that backwoods level experience student (me with computers)comment.

[Byrogie]

Looking forward to the final instructions.
Have most of the supplies, some still on the boat.....

[MEXICOWANDERER]

Take a backwoods level experience student (me with computers) and have them communicate with 2 tin cans connected with a string and well - that's me...

A hero-level effort by Mr Wizard is going to bring this project to life!

[MrWizard]

they are being worked on
in a co-operative effort
i have the text and the extensive pictures

tentative plan is to create a PDF file (complete document)
so it can be downloaded by users and stored on their PC or portable device
for use
hopefully to be completed in a few days, up loaded and a link posted

[AStinker-]

Just curious, are the instructions with pictures for Modifying the 36-Amp Megawatt and hooking up the Intermatic Timer still being worked on or are they being posted some where else and I am missing them?

[MEXICOWANDERER]

Lots of rip-off phony ads for silver heat sink compound. The real stuff is pricey as compared to the con job paste, toots Genuine Silver and has a thermal transfer watts to cm formula on ad and on the case. A tiny pinpoint on a finger speads out like powdered chrome. Silver is not poisonous nor is it the greatest for kidneys and liver. There is duch a tiny amount involved choosing genuine Arctic Silver brand is not a budget buster. Artic Silver has me classified as an Original Equiment Manufactuer for pricing so my next batch of heat sink paste will be a 4 oz order from Arctic Silver.

[iagary]

Another note to others ordering this stuff - using the ebay link that Mex provided, if you pay for 3 you get 9 tubes. I missed that when I first ordered. Just an FYI.

[iagary]

Note to others preparing to do this project. Need more than one tube of the heat sink paste. It is really cheap and free shipping. I will just get another one or two. Thanks Mex.

[MEXICOWANDERER]

The owner of the TelMex Modem arrived today and is masticating the La Paz Intermittant Service Provider.

I purchased a load of tiny plastic syringes of decent silver thermal compound. Oooooo one tube the same size is really pushing it to do both the schottky rectifiers and transistors. This would be a special notation. On the LEFT SIDE are the rectifiers. On the end opposite the terminal block is the pair of BiPolar transistors. Push comes to shove. Shave off white compound and save it to smear on the transitors when reassembling. Use a bare utility knife blade to gently shave off white zinc oxide paste and leave the berm on the knife blade until smeared back on. The schottky rectifiers really really need the silver.

[iagary]

I received that silver heat sink grease today, as well as my megawatt. The grease was in a very small tube. Is one tube of this enough? Comment on the megawatt - it is much smaller than I had imagined. Looking forward to the project.

[MEXICOWANDERER]

"Our dog ate my homework"
Still using 7 bytes / minute cell phone. Internet down mininum until next Tuesday. Nearest internet connection is a 159 mile drive. I calmed down after I proof-read what I already wrote and was rudely awakened to the fact it amounted to a pile-of-snot. Awful. So I re-wrote it and am now at the point where extracting and reinserting the circuit board makes perfectly clear sense. So maybe the internet outage is my best friend. Write Read get nauseated and re-write. Challenges especially scream-rant-and-throw-things-challenging build character.

[MEXICOWANDERER]

Please understand a sulfated battery can accept FIVE AMPERES PER hundred amp hours capacity and it can take SEVENTY TWO HOURS at 5 amps and 15.7 volts before the sulfate is driven back into solution. An adjustable 36-amp power supply is a tool not a press-a-switch and forget gizmo. Once the battery has recovered eyeball to bobber by hydrometer the adjustable voltage makes MAINTAINING the battery sulfation free a virtual snap. But YOU have to do the thinking and not a nineteen cent integrated circuit.
Folks who never boondock and have their shore power plug rusted solid in a power pedestal will tell you "this is all wrong. Smart converters sit at the right hand of Zeus".

[MEXICOWANDERER]

Defintion of "good 'nuff"

"Our speed limit is 55 mph"
"OK. We must be doing exactly 55 mph"
"With no speedometer how can you be sure?
"We don't have a Peterbilt bumper jammed up our ---, and...
Do you hear any sirens?"

[NinerBikes]

CJW8 wrote:
After 4 hours this morning at 14.8 battery was taking two amps the whole time. I suspended charging for the day because I had to leave. Is this As Good As It Gets? I will test SG and load test tomorrow.

No, that is not as good as it gets. What you probably need now is a desulphation charge regime. Do a Google search on it to see how to do one manually. It will require some close supervision, you will need to bring the battery up to a 16.0V state of charge to do so.

Better yet, start your own thread on how to do so.