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    1. Kit: , by (Yearly Subscriber) Dr Dave is offline
      Builder Last Online: May 2019 Show Printable Version Email this Page
      Model Scale: 1/8 Rating:  Thanks: 0
      Started: 05-24-13 Build Revisions: Never  
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      Righto guys, time to do something new here. After becoming a little bored with the motocross diorama and packing it all away in a box (and I will get it back out again later on), I needed something else to get me going again. I do have a bunch of other projects that have been previously pushed aside but they didnít get me excited when I looked at them.

      Since building the Clerget 9B a couple of years ago, which I thoroughly enjoyed, Iíve been keen to do another engine. Iíve only had this Williams Bros. kit sitting on the shelf since before Christmas and I keep looking at it with much interest, so I got it down and started checking it out again. Well this one did excite me, enough to make a start on it and now Iím having a great time. And being the same scale as the Clerget they can sit together on the display shelf.

      This can be the starting point= the box and the bits within it, plus a photo of a real engine from my folder of reference photos.

      Build Photos

      Pratt & Whitney Wasp R-1340 1/8th-pratt-whitney-wasp-1340-box-art-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6544-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6541-jpg  Pratt & Whitney Wasp R-1340 1/8th-5-jpg 


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  1. camwader's Avatar Active Member
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    Jon
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    Dave, you've made a superb job of that. It has made me want to start the Revell Pratt & Whitney Wasp R-1340 1/8th 1/12th Wright Cyclone that I have in my stockpile. I probably ought to finish some other projects first, but I've a feeling it's an itch I'm just going to have to scratch.
    QUOTE QUOTE #32

  2. Dr Dave's Avatar Yearly Subscriber
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    David
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    Thanks Michael.

    Thanks Jon.

    I know where you're coming from Jon. You see different things now and then that give you urge to go and build something now that you were planing on doing later. Good luck with the decision making
    Bull dust, blowflies, & the outback. Heaven on earth!
    QUOTE QUOTE #33

  3. Dr Dave's Avatar Yearly Subscriber
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    David
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    The next step Iíve taken is to prepare all the tappet covers, intake pipes and exhaust pipes, as these will be fitted after the cylinders have been put in place. Tappet covers were easy; a bit of a trim and file the fitting surface. Intake pipes were not too bad; file the two halves of each so they fit together properly and a big clean up on the entire outer surface as they were molded with lots of imperfections (lines and bumps). The exhaust pipes needed a bit more work; same as the intake pipes, but as you see the open end of these pipes they should look like thin walled open pipes. They didnít. They were all blocked off so I used a bur to ream the ends out to a suitable thickness. What I huge improvement, well worth doing.


    During the prep work I considered all the different colours these parts could be done in, and finally decided on chrome. All parts were primed and painted in gloss black. After a week of drying I gave them all a rub with my favourite chrome powder and as usual it worked like a dream. Inside the exhaust pipes was brush painted flat dark grey.
    Attached Images Attached Images Pratt & Whitney Wasp R-1340 1/8th-imgp6790-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6675-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6669-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6672-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6671-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6713-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6793-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7110-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7176-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7107-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7177-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6979-jpg 
    QUOTE QUOTE #34

  4. Dr Dave's Avatar Yearly Subscriber
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    David
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    While I was doing the chrome on the pipes I thought it would be a good time to do the chrome on the bit where the prop goes (sorry to you aircraft guys, I donít know the correct terms for these parts). First, the prep work, lots of horrible flash Pratt & Whitney Wasp R-1340 1/8th to clean up. This is a good place to add a few real nuts and bolts, so I drilled through the molded bolts to make sure the holes were centred before removing them. I also used a razor saw to cut through the clamps that hold the propeller blades so you can see that the bolts go right through.
    Attached Images Attached Images Pratt & Whitney Wasp R-1340 1/8th-imgp6629-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6632-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6634-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6636-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6814-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6817-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6819-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6820-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6826-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6829-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6856-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6859-jpg 
    QUOTE QUOTE #35

  5. chassisdude's Avatar VIP/Sponsor
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    Michael
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    I have to thank you in advance for this tutorial ..It really going to make it easier for me when I start mine...

    What is the "chrome powder" your using?
    I have done so much, With so little, for so long, I can do anything with nothing...
    QUOTE QUOTE #36

  6. Dr Dave's Avatar Yearly Subscriber
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    David
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    Quote Originally Posted by chassisdude View Post
    I have to thank you in advance for this tutorial ..It really going to make it easier for me when I start mine...

    What is the "chrome powder" your using?
    You're very welcome Michael. I'm glad my build is useful to you. The chrome powder is MGM hobby super magic powder- "Prime electroplating powder". I found it on ebay long ago and I'm not sure if it's still available or not. Around the $10 mark. Make sure it's the electroplating powder you get if you can find it as there were a bunch of different colours, including pearl Pratt & Whitney Wasp R-1340 1/8th powders, available at the time. If you find it could you please let me know as I'd like to get some more for a couple of mates here who build trucks.

    How did you go at the dentist? Did you get some root canal files?
    Attached Images Attached Images Pratt & Whitney Wasp R-1340 1/8th-imgp6794-jpg 
    QUOTE QUOTE #37

  7. chassisdude's Avatar VIP/Sponsor
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    Michael
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    Its still available for about 16 bucks US on Ebay,,,plus about 5 dollars shipping from china...Other pears as well..Thanks buddy..Ill have to look into it
    QUOTE QUOTE #38

  8. Dr Dave's Avatar Yearly Subscriber
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    David
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    Hey Mike, I can't find it anywhere on ebay. Could you please send me a link to it so I can check it out?
    Thanks mate.
    Bull dust, blowflies, & the outback. Heaven on earth!
    QUOTE QUOTE #39

  9. xken's Avatar VIP/Sponsor
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    Kenneth
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    David,

    Give this a try I have used the Copper and Gold but not the Chrome yet. I have been very pleased with the results.

    Premium Metallic - | Krylon

    Ken
    "In wine there is wisdom. In beer there is strength. In water there is bacteria."
    Ken

    QUOTE QUOTE #40

  10. Dr Dave's Avatar Yearly Subscriber
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    David
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    Ken, thankyou for that tip.

    I saw how good your copper turned out. VERY nice. A few months ago I found a specialist paint store here that had only just started to stock Krylon, but then I had forgotten about it. It's next to a car parts store I go to so if they are open tomorrow I'll get some and try it out.

    Cheers mate.
    Bull dust, blowflies, & the outback. Heaven on earth!
    QUOTE QUOTE #41

  11. Dr Dave's Avatar Yearly Subscriber
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    David
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    Now itís time to attach all the cylinders. Before I did this, I painted all the bolts on the orange rings and the crank case as there were too many to replace (I didnít have enough in stock, and I just couldnít be bothered).

    Once all the cylinders were in place I added tubing between them. The black pins were supplied in the kit but not the tube. The tube needed a little bit of stretching to fit onto the pins so I stuck a tooth pick in each end for a while to stretch it, then pulled out the picks Pratt & Whitney Wasp R-1340 1/8th and pushed the tube onto the pins. I used the foil seal from a coffee tin to make the hose clamps.

    Iím guessing the tubes could be for oil, or maybe theyíre breathers, Iím not really sure as I donít know much about how these engines work.

    When all this was done I added the spark plugs. They were glued to toothpicks and painted white and gold, and when dry, glued in place. 2 spark plugs per cylinder, one front and one rear.
    Attached Images Attached Images Pratt & Whitney Wasp R-1340 1/8th-imgp6985-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6986-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6991-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp6995-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7027-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7029-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7031-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7034-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7050-jpg  Pratt & Whitney Wasp R-1340 1/8th-imgp7069-jpg 
    QUOTE QUOTE #42

  12. xken's Avatar VIP/Sponsor
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    Kenneth
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    David,
    The engine is looking great! Just a tip for when you use the rattle cans for painting; warm them up in hot Pratt & Whitney Wasp R-1340 1/8th water from the faucet, shake it and you will feel it cool off then warm again until you cannot feel the temperature change. Make sure to dry the outside of the can of excess water. This creates a little more pressure in the can and atomizes the paint for a smoother finish; keep shaking the can while spraying with the metallic Pratt & Whitney Wasp R-1340 1/8th paints. The warm paint flows better than cold paint.

    Ken
    "In wine there is wisdom. In beer there is strength. In water there is bacteria."
    Ken

    QUOTE QUOTE #43

  13. camwader's Avatar Active Member
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    Jon
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    Dave, That really is looking superb. I got out my 1/12 Wright Cyclone kit but, as my new 1/6th Tamiya Pratt & Whitney Wasp R-1340 1/8th Fatboy has just arrived, I think it will be going back in to storage for a while.
    QUOTE QUOTE #44

  14. Twalther's Avatar Member
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    Thomas
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    This is great as I have three to build!
    QUOTE QUOTE #45

  15. Twalther's Avatar Member
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    Thomas
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    Does the chrome powder rub off.
    QUOTE QUOTE #46

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