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Author Topic: B-17 F  (Read 8714 times)
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DavidJP
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« Reply #150 on: May 23, 2019, 05:08:11 AM »

Or build a bigger model anyway?  May save the issue with the props.  Cheesy and some others to boot.
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Don McLellan
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« Reply #151 on: June 04, 2019, 01:06:06 AM »

Haven't forgotten about this model, just trying to figure out how to do the nose windows.  I think (know) I'll cut them out with my craft cutter and glue them to the underside of the 1/32 balsa.  I know they should be flush, but ................

First pic shows the windows cut from a plastic sheet; the windows have to fit around the interior balsa stringers hence the irregular perimeters.  The second pic shows the forward most window installed.  I still have to 'tune up' the cut file a little, and find some better, thinner, plastic sheet.
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Re: B-17 F
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steveneill
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« Reply #152 on: June 04, 2019, 12:13:47 PM »

Excellent planning Don. This  model is a real gem.
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Don McLellan
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« Reply #153 on: June 04, 2019, 12:39:25 PM »

Thanks Steve.  It's been a fun build so far.  Currently wondering if I should cover the nose, but leave the bottom two stringer widths open to allow installation of the windows, or install the windows, then cut the window openings after the tissue is installed.
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steveneill
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« Reply #154 on: June 04, 2019, 12:42:36 PM »

That's a good question. I'm not sure what I'd do. Maybe cover the nose then add. Maybe.
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PB_guy
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« Reply #155 on: June 04, 2019, 04:57:16 PM »

What you should ask yourself is 'How am I going to get that window back when it falls into the fuselage?' Because it will - Murphy's Law.

Great work on this model, by the way.
ian
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Don McLellan
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« Reply #156 on: June 06, 2019, 11:48:31 PM »

Hi Ian,

Had a good chuckle when I read your post because every single time I did a window test installation from the inside, the 'glass' fell inside the fuse and most of the time it was very difficult to find.  There would be no way to find the fallen windows if I had covered the fuse first.  So, have decided to try gluing some window material over the outside balsa (done), apply the printed tissue over, then carefully cut the window openings in the tissue.  The pic shows the nose with the 'glass' glued over the balsa, and one of my many test pieces with the tissue 'hacked' away.  I was quite brutal with the tissue removal in the test piece just to test the integrity of the 'glass'.

Will try installing the printed fuse tissue in the next few days and report back.
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DavidJP
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« Reply #157 on: June 07, 2019, 03:31:27 AM »

Not bad at all - but do make sure you clean the windows thoroughly - something presumed a speck of dirt can become a FW190!

I suppose it is not possible to cut the windows out before applying the tissue - only your expertise on printing on tissue and applying same is not so dusty?  But what are you using for glazing?
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Yak 52
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« Reply #158 on: June 07, 2019, 04:20:50 AM »

Hello Don,

Been following your build with interest - I love how you manage to convey so much with simple structures in your models  Cool

Just a thought - the windows look quite small and maybe don't need to be stiff material? Could you cover the whole nose section in thin mylar and then heat shrink it? And then apply tissue over the top with cut-outs where required? (I haven't thought this through particularly so I don't doubt you're ahead of me, but I thought I'd throw it out there Smiley )


Jon
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PaulBrad
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« Reply #159 on: June 07, 2019, 11:17:37 PM »

Don - I have had good luck laying tissue over clear plastic windows and then carefully cutting the tissue. My process involves an application of rubber cement to the clear plastic before the tissue is applied. I then shrink the tissue and apply the number of coats of dope I planned to use. Once the dope is set I then carefully cut away the tissue. The rubber cement protects the plastic from the dope. Doping the tissue before the windows are cut out makes it easier to get clean edges. Once cut, tease up a corner/edge and then peel the tissue off the window. The rubber cement will come off very cleanly. If there is any residue, it is easy to rub off.

Paul Bradley
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OZPAF
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« Reply #160 on: June 08, 2019, 03:16:51 AM »

That's a neat trick Paul. Jon's suggestion sounds neat as well as long as the tissue was cut carefully.

John
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Crabby
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« Reply #161 on: June 08, 2019, 05:10:28 AM »

Brilliant idea Paul. If I may add one simple thing. How bad would it be to not round the corners and just go square...OR do the corners with a (tiny but) sharp needle file first, then cut the sides tops and bottoms straight away (with a broken off double edge razor)? Just a thought or two. Working small requires a small mind!  Grin Grin Grin Roll Eyes
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« Reply #162 on: June 09, 2019, 12:49:33 PM »

Good am Don, I was re-reading my Chieftain thread this am and though about the tiny windows in the nose of your B-17....fred mentioned a heat shrink lam film called doculam...1.2mil thick and puncture resistant. If you are gonna cut the tissue after you mount it to the plastic, this might be a good thin and tough option. Its available at Staples or Amazon and its cheap.
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Don McLellan
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« Reply #163 on: June 09, 2019, 02:32:09 PM »

Hi Crabby,

Thank you for the info, but have already glued some clear plastic in place and have just started the recovering.  I plan to cut the tissue around the windows, then decide if I should proceed.  I've made the nose art about 25% larger in the second tissue printing.
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Crabby
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« Reply #164 on: June 09, 2019, 05:10:34 PM »

That B-17 has no worries in your hands! Its looking great. BTW I got the Lucky Bobs flux in the other day...I am now soldering like a true fluxman thanks for the tip! Go Blues!
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Don McLellan
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« Reply #165 on: June 09, 2019, 07:57:26 PM »

Hi Crabby,

Lucky Bob's is the flux of choice with my slot car friends, and agree, GO BLUES.

D
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DavidJP
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« Reply #166 on: June 10, 2019, 12:48:38 PM »

This is an example of how much home technology has improved our lot!  I only wish I could do it.  Not even necessarily as good was that!  Just a bit.   
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Don McLellan
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« Reply #167 on: June 28, 2019, 02:55:08 PM »

Have got most of the green tissue done on the fuse.  Just have to finish the underside then onto the wings and tail.
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Sky9pilot
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« Reply #168 on: July 02, 2019, 04:51:59 PM »

Don...up to your usual high quality.  The nose art looks great.  this is really progress great!
Tom
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« Reply #169 on: July 03, 2019, 07:58:54 AM »

Who that's looking very nice
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Don McLellan
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« Reply #170 on: July 03, 2019, 10:36:18 AM »

Thanks Tom, gjvwezel.  Hope to start covering the wings in the next week or so.
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OZPAF
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« Reply #171 on: July 03, 2019, 08:34:27 PM »

Neat Don - worth all the effort to get a result like that.

John
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Don McLellan
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« Reply #172 on: July 23, 2019, 02:08:45 AM »

Grandson's baseball has been getting in the way of model building, again, but have managed to cover the undersides of the wings, and have printed some tissue for the outer nacelles.
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OZPAF
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« Reply #173 on: August 01, 2019, 05:07:32 AM »

The wing looks great Don.

John
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steveneill
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« Reply #174 on: August 01, 2019, 09:24:42 AM »

Really nice!
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