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Bad Axe (Read 3641 times)
Reply #41 - Oct 5th, 2017 at 11:45pm

bigrip74   Offline
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What did l do this time!
Austin, Texas

Posts: 4753
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dohrmc, just checking to see if you have made any flights on the BAD AXE?

Bob
 

IF IT AINT BROKE DONT FIX IT!
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Reply #40 - Nov 18th, 2016 at 9:37pm

Sky9pilot   Offline
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Stick & Tissue
Kelso, WA 98626 USA

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dohrmc...chalking looks great.  That shot showing the wingtip almost looks like LED lighting!  Great looking model! Smiley
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #39 - Nov 18th, 2016 at 9:34pm

Dohrmc   Offline
Junior Member
I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
**
 
Another shot. I chalked the tissue to deepen the colors.
 

IMG_0482.JPG (263 KB | 14 )
IMG_0482.JPG
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Reply #38 - Nov 18th, 2016 at 9:34pm

Dohrmc   Offline
Junior Member
I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
**
 
I still need to key the wing and tail, but it is essentially done. Thanks, George Bredehoft, of Volare kits, for your excellent design.
I hope to try some trim flights in the next week or so.
 

IMG_0481.JPG (236 KB | 20 )
IMG_0481.JPG
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Reply #37 - Nov 16th, 2016 at 9:55pm

Dohrmc   Offline
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I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
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I have never bothered to do that, just a couple of coats of dope works fine. It really toughens up a prop like this one, made of light wood.
 
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Reply #36 - Nov 16th, 2016 at 9:47pm

bigrip74   Offline
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What did l do this time!
Austin, Texas

Posts: 4753
****
 
Do you sand the silk after some dope?

Bob
 

IF IT AINT BROKE DONT FIX IT!
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Reply #35 - Nov 16th, 2016 at 8:38pm

Dohrmc   Offline
Junior Member
I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
**
 
I am doping the Casano for covering, so while things dry, I am back to working on the Bad Axe. This thing will have to ROG, so the prop has a big chance of hitting the ground hard. So, I am putting silk on the blades. This is the back side of one blade.
I am using silk scraps to do this. It's expensive so I throw nothing away. Silk is easy to work wit, just dampen it, and put it on the well doped blade with thinner. Once it is dry, make sure you get dope on the parts that overhang. That makes it much easier to whack off the excess with a sanding block. Don't try to overlap the silk. This makes a very tough prop. Front side tomorrow before I go to work.
I am a short timer, just four more simulators, and I am retired!
 

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IMG_0478.JPG
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Reply #34 - Oct 13th, 2016 at 2:47pm

bigrip74   Offline
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What did l do this time!
Austin, Texas

Posts: 4753
****
 
I like the storage jig, great idea.

Bob
 

IF IT AINT BROKE DONT FIX IT!
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Reply #33 - Oct 13th, 2016 at 1:56pm

Dohrmc   Offline
Junior Member
I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
**
 
Storage jig for the wing. Stays on this until ready to fly. Stab lives on one too.
 

IMG_0443.JPG (170 KB | 21 )
IMG_0443.JPG
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Reply #32 - Oct 13th, 2016 at 1:55pm

Dohrmc   Offline
Junior Member
I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
**
 
Thanks! Here is an almost done shot. Next, putting on the cursed windows-I really dislike that part.
Tissue is all chalked to brighten up the colors.
 

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IMG_0444.JPG
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Reply #31 - Oct 6th, 2016 at 7:29pm

Sky9pilot   Offline
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Stick & Tissue
Kelso, WA 98626 USA

Posts: 8302
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Looks great.  Nice job on the tissue application. 
Sky9pilot
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #30 - Oct 6th, 2016 at 7:20pm

Dohrmc   Offline
Junior Member
I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
**
 
This is how it looks. The wing was very floppy before, now quite stiff. While I would not use it as a tire iron, I think it will be very good at preventing warps.
 

IMG_0438.JPG (118 KB | 29 )
IMG_0438.JPG
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Reply #29 - Oct 4th, 2016 at 7:42pm

Dohrmc   Offline
Junior Member
I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
**
 
Here is what the strips look like pressing against the outer covering.
 

IMG_0436.JPG (174 KB | 23 )
IMG_0436.JPG
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Reply #28 - Oct 4th, 2016 at 6:56pm

Dohrmc   Offline
Junior Member
I Love YaBB 2.5 AE!
Dunwoody, Georgia

Posts: 73
**
 
I spray the wing section with rubbing alcohol, then weight the the wing down with desired warps like washout. Let it dry then do the next section.
Once all is dry, cover and shrink as usual.
I use dope and thinner on my models, so it soaks through and adheres both tissues together. You end up with a little double covered X in each wing bay.
It works very well.
 
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Reply #27 - Oct 4th, 2016 at 2:10pm

RJ   Offline
Full Member
I Love YaBB 2.5 AE!
Elizabeth City, NC

Posts: 107
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I've been thinking about trying this tissue strip technique on my current build, a King Harry. Another question: Do you pre-shrink the strips, or shrink them after attaching, or do something else with them before applying the covering?  Thanks.

Rich
 
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