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How to Build a B-29

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Old 12-26-2016, 11:03 AM
  #301  
kram
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Work on the 144" B-29 has resumed. Final putty (he uses Putty Kote) and sanding
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Old 12-26-2016, 11:15 AM
  #302  
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Also, Bomber World has gotten complicated.

Another good friend of mine built the same 144" DS B-29. It flew really well, but suffered a crooked premature takeoff its third flight: smashed a wing up pretty badly. Rich was about to move to Texas anyway, so he sold the wreck (and motors and gear) to Dwayne at a bargain. Dwayne, typically, partially disassembled the wing, determined its basic structure and alignment to meet his standards, and re-built it, including re-building all the nacelles. He plans to finish and paint it at the same time as his bird from this thread (I mean, afterall, the spray gun has to be set up and cleaned up only once for two planes, right?), maybe not to the exacting level of scale and finish as HIS baby, but certainly beyond my ability.

So, next spring we have the possibility of TWO maiden B-29 flights! What is he gonna do with all those bombers??

Here's the 2nd wing waiting "in the wings"
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Old 12-26-2016, 11:21 AM
  #303  
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Also, just a hush-hush aside, Frank has re-started work on his 1/6-scale B-17.

He had a bad experience with trollers on rcscalebuilder last year, so he has put the keebosch on me posting any more pictures.

17 ft wingspan, DLE-60 twin-cyl
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Old 12-27-2016, 06:06 AM
  #304  
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Wow great project! There was one 1/7 scale project A Bit OŽLace.
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Old 12-29-2016, 07:20 AM
  #305  
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Originally Posted by kram View Post
Also, just a hush-hush aside, Frank has re-started work on his 1/6-scale B-17.

He had a bad experience with trollers on rcscalebuilder last year, so he has put the keebosch on me posting any more pictures.

17 ft wingspan, DLE-60 twin-cyl

What a shame. That is one of my favorite sites.
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Old 12-30-2016, 08:57 PM
  #306  
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Good technique and a great project. Thank you for sharing your talent.

Sharing inspires others. If scale building is to continue, young modelers will need this inspiration. Modelers Like Don Rice who we just lost, will be remembered more for their willingness to share, and the friends they made along the way, than for the creations they left behind.

I have no problem with those wonderful builders who choose to keep their building to themselves. Thankfully, their are still gentlemen like yourself who choose to make the sacrifices in time to make what they do and how they do it available to others.
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Old 01-01-2017, 06:07 PM
  #307  
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This is the cleaner Dwayne uses after putty and final sanding, then between primer and paint.It makes the surface shiny and make little rough spots easier to see in bright light so they can be smoothed prior to paint

Cleaner stops fish-eye problems and oily-finger marks
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Old 01-01-2017, 06:09 PM
  #308  
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"Rough" PuttyKote first, then final putty after primer
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Old 01-01-2017, 06:14 PM
  #309  
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Dwayne's new LED light, a shopvac and professional grade sandpaper all serve to cut "putty time" in half. LED bandwidth is close to sunlight and really brings out any rough spots that need smoothing
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Old 01-01-2017, 06:18 PM
  #310  
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Small parts primed
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Old 01-01-2017, 06:22 PM
  #311  
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Wing and tips ready for primer.

Total time for putty-sand-reputty-resand about 4 hours

New mobile LED bright light really cut down on time
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Old 01-01-2017, 06:29 PM
  #312  
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How Dwayne protects hinges from primer and paint:

Gently heat some Nyrod blue outer tubing and slide it over the 1/8" Robart hinges

Then cut to length and add a TEENSY bit of 3-1 machine oil to the hinge joint to protect it from paint

Pop the Nyrod condom off after the paint dries and you'll have a working joint and a nice clean glue surface for the outer limb
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Old 01-01-2017, 07:17 PM
  #313  
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What kind of retracts is he using, cjm? I'm considering using cjm on my 169". I like the dual cylinder concept.
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Old 01-02-2017, 08:46 AM
  #314  
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Are these last pictures Franks work? Will you be allowed to post more of his work? Builders of his caliber are very rare. I read through the entire thread very carefully, his work is just outstanding. I hope you can talk him into shearing his creditable talent.

I have been a site supporter of RCSB for years, I am surprised anyone would say anything negative about his work. Mike (from RCSB) is usually on top of things like that and shuts it down quickly.

Thanks for posting what you can.

Rich
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Old 01-02-2017, 01:35 PM
  #315  
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Straight from Dwayne:

"My 1/10 scale 29 has CJM retracts, but I had to bolt and pin all the strut-moving parts for mains and nose gear. My grass strip beats the heck out of the struts, so pressed fittings and pop rivets need attention if you're gonna make many flights. Springs need to be custom-made after-market for specific model weight. Buy quality springs so they maintain tension over the years. I do this myself using a scale and match load of model on each strut, and I simulate the stress and the load I expect in real conditions"



Editor's Note: Dwayne has a VERY SMOOTH private grass field and he is the smoothest bomber lander I know. Watch the videos on youtube if you wanna see!
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Old 01-02-2017, 02:37 PM
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That has me rethinking my gear. I have the means to make my own, but if decent retracts were available then I can save time. My home field is a paved runway, but I go to events and about half of them are grass. I don't like the idea of spending a bunch of money on gear, and then having to rework them. Landing my B-17 hasn't been a problem as of yet.
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Old 01-02-2017, 03:06 PM
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Just finished watching three of the videos. Yep, no doubt, thems are smooth landings. Definitely an experienced bomber guy.
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Old 01-02-2017, 07:09 PM
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Entire wing ready for primer
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Old 01-02-2017, 07:16 PM
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One large Robart air tank into each side of wing. This keeps them out of the way of the center hatch goodies

This dorsal center hatch will become a beehive of mechanicals: air valves, brakes, bomb bay cylinders, etc.. The smaller aft holes run through the ribs all the way out to the ailerons and do a lot to keep the snarl of servo wires and air tubes from being too difficult to install or service
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Old 01-22-2017, 06:29 PM
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Getting ready to paint the B-29:

Jig for holding and rotating the fuse during painting

Wing and tips will have like-minded devices

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Old 01-22-2017, 06:32 PM
  #321  
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Also, GOOD NEWS: Frank has given permission to post some picture of his giant 1/6 scale B-17 on our old rcscalebuilder thread!

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Old 02-19-2017, 07:33 PM
  #322  
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Wow! A warm calm day in Iowa in February


Dwayne primed all parts

Now for some more FINE putty work, then the silver paint

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Old 04-26-2017, 10:45 AM
  #323  
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April 22 the weather for painting was perfect

Here she is on holders and primed and ready to go
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Old 04-26-2017, 10:50 AM
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Obviously a Pro-level job into which a lot of experience and intuition and just plain skill were poured, but Dwayne's off-hand comments were:

"Used equal parts of paint, catalyst and thinner. This paint works great if you first apply a light coat, then after it sets a few minutes, lay down a heavy second coat. Runs are not a problem with this aluminum paint using the two-coat technique."

Auto-body touch-up gun with air and water filters

He used 1.5 quarts on this job
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Old 04-26-2017, 10:55 AM
  #325  
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Decals and trim paint will really put character on it in a hurry!
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