Quick GMC

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About Quick GMC

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    MCM Ohana

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  • Scale I Build 1/24

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  • Location Southern California
  • Full Name Cameron DeMille

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Quick GMC's Activity

  1. Quick GMC added a post in a topic Gravity Colors...anybody bought from them lately?   

    I just bought from them without issue. I emailed a couple times, received responses right away. One of my bottles was sweating a little, not leaking. I mentioned it as was immediately offered a replacement. 
    I pack and ship for a living. With UPS, USPS and FedEx. Things happen occasionally. I have had UPS just flat out not come some days, even though I pay a monthly fee for a guaranteed daily pick up. I have had FedEx and USPS flat out lose packages. Some to show up later, some to never be seen from again.
    With a business like Gravity, I would assume he has USPS pickups done and does not make runs to the post office every day, it would be cost prohibitive and waste more time than it's worth. If he does have pickups, it is very easy for small boxes to get misplaced. It's unfortunate you had a bad first experience, but yours is the first I have heard of so far. 
  2. Quick GMC added a post in a topic Testors & Model Master Lacquers - no candies?   

    do you have pictures? I have some of the Brandywine paint but have been hesitant to use it
  3. Quick GMC added a post in a topic R.I.P. Dave Mirra   

    Dave Mirra is big time in the BMX, X Games, video game world, etc. He raced cars and started boxing as well. There are theories that he may have been suffering from CTE, like football and other professional sports players. Junior Seau, HOF linebacker for the Chargers killed himself and shot himself in the chest and left a note requesting that his brain be studied. CTE can make people do crazy things. 
    This CTE thing is starting to snowball. They just outlawed youth soccer allowing children under 10 years of age to use their head to hit the ball. 
    Dave Mirra was a well rounded, stand up guy. He was really good to his fans. He was a good dude. 
  4. Quick GMC added a post in a topic Building Better Shocks for the Revell '29 Ford Roadster   

    took me forever to find it the first time
  5. Quick GMC added a topic in Trading Post   

    Some Nice Kits to Trade
    I have some kits I probably won't build. Not super eager to get rid of the Nomad, but it's available. 

    This has changed owners several times. Looks like everything is there, some parts off trees



    No decals in this one, otherwise complete

    I also have a Tamiya Original Telle Mercedes CLK-GTR, no pics right now. Box in great shape, everything sealed inside
    Looking for:
    • Revell Boss Mustang (94-98 bodystyle)
    • Revell 69 Mustang CJ (Not Shelby)
    • Tamiya Sauber C9
    • Tamiya Silk Cut Jaguar
    I'll consider other things as well
    • 1 reply
  6. Quick GMC added a post in a topic UPDATE 02/09 What to use in place of lacquer thinner   

    I placed the order on Amazon without issue, let's see if it gets kicked back or not. 
    This is what I ordered: http://www.tcpglobal.com/RSP-LT85-GL.html#.VrvbgFgrLhE
    I'll start with that and see what I can do from there. If that doesn't help, I'll start calling o ring companies and find a solution. Once I find the fix, I should be good. 
  7. Quick GMC added a post in a topic UPDATE 02/09 What to use in place of lacquer thinner   

    I have been trying the local auto shops for slow thinners, but so far they are all restricted in CA, figures. I am trying to place an order for one on Amazon right now, we'll see if it goes through. 
    Here is a good article I found that lists all the different ingredients that are used to manipulate the speed of thinners
  8. Quick GMC added a post in a topic Building Better Shocks for the Revell '29 Ford Roadster   

    I forgot the most important pic. They fit!

  9. Quick GMC added a topic in Tips, Tricks, and Tutorials   

    Building Better Shocks for the Revell '29 Ford Roadster
    I got sucked into the hype and bought the new Revell 29 Roadster. The kit is extremely nice, except for the shocks. I couldn't bring myself to use them, so I had to make new ones. The nice thing is that it is fairly easy to separate the shock caps from the body. 
    I didn't intent to do a tutorial, so some pictures are lacking, I apologize. 

    Bought a styrene rod/tube combo pack from Evergreen

    First I measured the lengths of the kit shocks so I know where I would need to be when done with the new ones. 

    Choppy Choppy. i used a PE saw to carefully separate the caps from the bodies. 

    I then carefully sanded the flat part of the shock caps flat and level. I made new bodies out of the styrene tube

    I made a mockup to check the overall length. Perfect

    I started with copper wire, but realized I would have to paint it. I tried solder, it looks like natural metal, but it's hard to handle without squishing the springs. I used the same rod as the shock bodies and wrapped it around, then straightened it out. I left them compressed like this so I could match the lengths exactly. I then carefully sanded the ends flat like normal springs. I left the solder springs on the plastic rod as a support while sanding, otherwise it would just bend all over the place

    Then I used the shaft of a pick to put in between the coils and spin it. This spaces the coils evenly. I also made shafts that go in inside the tube and will mount inside the holes I drilled in the caps. This way they will be sort of pinned in there with glue for a secure bond. Also, this will keep everything together and elminate the chance of any bending of the solder springs. 

    Here is the finished mockup. I will still need to paint the bodies and caps. I wanted to do the body from Aluminum tube, but didn't have the right size. 

    This is the right solder size for these shocks

    • 8 replies
  10. Quick GMC added a post in a topic Scale finishes clear   

    I use SF paint, but haven't tried the clear. I just tried some 2 part clear from Gravity Colors and it worked really well. 
  11. Quick GMC added a post in a topic UPDATE 02/09 What to use in place of lacquer thinner   

    Ok, so I have learned a lot about lacquer thinner in the last few days. I knew there were different brands that would vary, but I never knew that there were different "speeds." Nobody has every mentioned this before, until I talked to the Grex rep.
    First of all, Grex rep talked to me for 45 minutes on the phone and it was one of the most incredible customer service experiences I have ever had. He was very interested in finding a solution to the problem. Turns out he uses the same brand and same can of lacquer thinner as I do. He insisted I ship my airbrush to him for a thorough inspection and rebuild. He ended up not replacing anything except the o ring and one other sliding part that I didn't know I was supposed to put grease on. Other than that he said it was in great shape. If anyone is considering Grex, I would highly recommend it because of their customer service alone. I shipped the brush to them on Thursday, they called me Friday morning and had it apart and put back together already. 
    This particular seal I am having trouble with is made of Viton. I was informed that Viton is fine with most solvents, except Acetone, which will definitely destroy it. It was also pointed out to me that the Klean Strip thinner from Home Depot is a fast thinner, or has a high concentration of Acetone. I will now try and slow thinner that has much less, or no acetone. This will supposedly solve the problem. 
    I bought a second Grex Tritium after shipping my airbrush to them as a backup/second setup. They have a new fan tip I want to use for bodies. Normally wouldn't be the smartest thing to double down on my issues before I find a solution, but I know there is a solution, I just have to find it. 
    So using my brand new out of the box airbrush, i had the same problem, which is what I suspected would happen. After 2 uses, the seal wen bad again, which is actually what prompted the response above, from Grex, about the acetone. 
    I decided to do a test. I normally use Scale Finishes lacquer base coat, which is what I did here. Then I used a 2 part urethane clear for the first time. I have heard these can be a problem too. So I found a o ring from Grex made of the same Viton that I didn't need and cut it into 3 pieces. 

    Then I mixed up some clear the same way I did when I sprayed the body, lacquer thinner in a cup and some Scale Finishes paint in a cup. 

    I let them sit 10 minutes, then pulled them out. Paint did not have any effect. The clear may have had a slight affect, probably due to the part of thinner that was added. The Lacquer Thinner is clearly the culprit. 

    here in the same order, the piece in the thinner is easily twice the size that it started out as

    So there it is. I don't blame Grex. It is what it is, and they say they have had a very small amount of people with o ring issues. The seal should be replaced every 6-12 months they say, which is perfectly acceptable to me. When not having o ring issues, the airbrush works incredibly well. 
    I will be ordering a slow speed thinner and I will report back. 
  12. Quick GMC added a post in a topic Pinholes In My Resin Parts-HELP   

    fill it with super glue and sand flush. 
  13. Quick GMC added a post in a topic UPDATE 02/09 What to use in place of lacquer thinner   

    The o ring measures: 
    ID: .05"    OD: .13"    Thick: .03-.04"
    It's tiny and i have not been able to find one elsewhere. 
  14. Quick GMC added a post in a topic UPDATE 02/09 What to use in place of lacquer thinner   

    Not soaking. Putting it in the cup to spray through after finishing with a color, or when I am done using it. I spray it through, then disassemble the airbrush to wipe down what I cant
    I have one left. I can measure it. i will check that out, thank you
    The rep told me 2 times, without a doubt, I can safely use lacquer thinner through the brush
    I had a massive improvement after replacing the o ring the first time. But I have replaced it 2 times since then and only have one left. I use the blue Iwata lube. I pull the trigger back and apply the lube through the side directly into that packing screw, then slide the needle through, just like you described. I apply the lube every other time I use the brush. 
    There is a nylon washer in the body, then a packing screw with an o ring on the end of it. The other o rings are out of harm's way
    I will check them out, thank you 
    Here is a picture of the o rings. On the left is the unused new one. On the bottom is the one that has seen no more than 2-3 sessions. On the right is one that was used for half a dozen or more sessions. The only thing i put through my airbrush is Klean Strip lacquer thinner from Home Depot, Vallejo acrylic thinner and 91% Isopropyl Alcohol. 

  15. Quick GMC added a topic in Model Building Questions and Answers   

    UPDATE 02/09 What to use in place of lacquer thinner
    I have the absolute worst luck with airbrushes. I am stil having issues. Painting bodies has been the biggest obstacle for me and it is pretty much the reason i don't finish builds. 
    I have a Grex Tritium TG airbrush. I was told by the Grex rep that I can spray lacquer thinner through it without issue. This isn't true. The packing seal o ring, the tiny o ring deep inside the body, starts to deteriorate and swell. This allows air/paint blowback to get past the needle seal and I am having a really hard time laying down nice paint. I'm sure this isn't the sole issue, but this needs to get fixed before I can move onto figuring out what else I can do to improve. I have 2 uses since I did a complete teardown and rebuild with all new seals and o rings. The o ring is swelling and coming apart already. 
    What will clean lacquers that I can use instead of lacquer thinner? Isopropyl Alcohol is not working, at least on the Gravity Colors I was using tonight. I am honestly ready to just sell all my BLAH_BLAH_BLAH_BLAH an move on. I enjoy building more than actually finishing, but I would like to finish a model here and there. 
    I would honestly just buy another airbrush, but I already started getting arthritis and cramps in my hands and this airbrush makes a massive difference, since it has the pistol grip. 
    • 17 replies