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Thread: Scratchbuilt 1/8 scale M915A1

  1. #41
    4 Star General goldneagle's Avatar
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    Glad you are back safe. Thank you for your service. I look forward to seeing your project progress.
    Recently voted Georgia Mafia Don by the GA Mafia council meeting in Ponchatoula, LA. (conducted by PB the GA Mafia Imperial First Sargent)

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  2. #42
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    Quote Originally Posted by trukhead View Post
    Heyy! Welcome back!! How about aluminum foil, pop cans, beer cans for different thicknesses of aluminum stock! Cheap and readily available is always nice! Great to see you back and on the build!or pop whatever your choice!
    Getting into too thin category. I think I used .032" aluminum strips to keep the spacing between the fins uniform. I think I have some .025 around that I'll use instead.

    Starting to make the new fins. Hoping to get a bunch more run this weekend. I want to start building!

    Mike

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  4. #43
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    No update yet but I am working on this. Been having issues with my photo etch operation that has been driving me up the wall. Without going into a great many technical details (unless anyone is familiar with photo etch processes...), the last batch of photo resist film I received was bad....and it came all the way from China...and they are dragging their feet on replacing it. I bought some more from a US supplier (surprisingly, almost the same price that I was paying for the China stuff) and it is much better. It took me a few tries to get a system down that works because it seems like every batch of film has its own temperament on how it wants to be applied. But now I am waiting for a larger roll to make its way here because the small "try it and see what you think" roll I got didn't last too long.

    So...yeah....waiting on supplies.

    Mike

  5. #44
    2 Star General trukhead's Avatar
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    Howdy!! Great to hear about the "PROGRESS"!!! Any one want to get into a political rant?? ha ha, Anyways great to hear you have sourced some good supplies from the "Good Ole USA"!!! It is time we try to source what we can from home and holler really loud when we can't get them from here and suggest that we do!!
    I can't wait to see how your radiator is progressing.

    Dennis
    Fiber in a diet is a good thing!

  6. #45
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    Hey Dennis,
    Yeah...I was buying the film from a US supplier for awhile and then they just up and stopped stocking it, so I went the China route. I was searching around after this last fiasco and I found a company in NC. The thing is, they aren't too much more expensive than getting it from China, the delivery is faster, and the product is a lot better. I'm hoping to get a bunch of parts etched out over the next month. I'm busy the next two weekends, so not much will be getting done. I just want to get this radiator done so I can work on something else. Probably the engine next....might work on the suspension. Not sure yet.

    Mike

  7. #46
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    Hey Everyone!
    This project isn't dead...just haven't had any time to work on it. After I got back from Afghanistan, the Army decided it was a good idea to send me to Germany for a couple of weeks on a project. Then I had a bunch of weekends tied up with work...and I have a shop in town that we have been doing some extensive remodeling.

    But anyway...I did find some time a couple of months ago to build a new jig to build the radiator. I used some 1" 80/20 extruded aluminum rail. I want to tweak it a bit and then I think I will be rolling. I have all the pieces made to get this built....I just need to find some time

    Hoping to get back to this in the next couple of months.

    Mike

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  9. #47
    4 Star General marchplumber's Avatar
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    Thanks for keepin us in the loop! Amazing what you are accomplishing.

    God bless
    Tony

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    I might toss the radiator aside and go onto something else so I can get some progress. I just cannot for the life of me get a small enough amount of solder put in place. The space between the fins fill up with too much solder. The stuff I have is 1/32" but I don't know the melting temp of it. I can build this thing in a matter of a week if I could just get the solder to go where I want it. I'm going to try once more this week and if it doesn't go to my satisfaction level....I'm moving on. But....I kind of need the radiator to make sure the front end goes together correctly.

    This is about the 4th or 5th try on it in the last couple of months....hence no pics.

    Mike

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  12. #49
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    It may not be doable. But could you clamp the pieces together and then wave solder it together ?? By the way hats off for the work you do !!!!

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    4 Star General marchplumber's Avatar
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    Mike, cant imagine the patience and skill it takes to do what you are doin. Have you thought about silfloss solder? Too big? Sometimes the big break through is on the next attempt. Thanks for sharing.

    God bless
    Tony

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