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  #11  
Old 06-17-2022, 08:20 PM
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Isaac Isaac is offline
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Exclamation Wings

The wings consist of 3 sections. Center section and two outer sections with a slight dihedral.


parts and spar/frames
SAAB J21-prop version NOBI design-img_7365.jpg


I used two small rulers and clamps to keep the glued edge from curling.
SAAB J21-prop version NOBI design-img_7366.jpg


Outer wing sections
SAAB J21-prop version NOBI design-img_7367.jpg


center wing section
SAAB J21-prop version NOBI design-img_7369.jpg



wings are joined and ready.
SAAB J21-prop version NOBI design-img_7370.jpgSAAB J21-prop version NOBI design-img_7371.jpgSAAB J21-prop version NOBI design-img_7372.jpg


Isaac
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  #12  
Old 06-18-2022, 06:21 AM
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MacSongLi MacSongLi is offline
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Coming a along quite nicely Isaac.

Gary
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  #13  
Old 06-18-2022, 10:45 AM
mor54 mor54 is offline
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Looks very nice Isaac, hope to see the R version soon.

ShalomMor
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  #14  
Old 06-18-2022, 02:06 PM
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Thumbs up

Quote:
Originally Posted by mor54 View Post
Looks very nice Isaac, hope to see the R version soon.

ShalomMor
Shalom


Me too. Murph has offered to modify his J21 prop version to the R jet version. I am looking forward to it.


Thanks

Isaac
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  #15  
Old 06-18-2022, 02:08 PM
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Thumbs up Wings joined to fuselage

The wings now can be attached to the short fuselage. Good fit.

SAAB J21-prop version NOBI design-img_7373.jpgSAAB J21-prop version NOBI design-img_7374.jpg

SAAB J21-prop version NOBI design-img_7375.jpgSAAB J21-prop version NOBI design-img_7376.jpgSAAB J21-prop version NOBI design-img_7377.jpgSAAB J21-prop version NOBI design-img_7378.jpg

SAAB J21-prop version NOBI design-img_7379.jpg


Isaac
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  #16  
Old 06-19-2022, 09:30 AM
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Exclamation Twin booms

Being a pusher propeller design, required attaching the tail surfaces in a way to avoid being struck by the prop. A common design was the use of a twin boom.



parts
SAAB J21-prop version NOBI design-img_7380.jpg


assembled
SAAB J21-prop version NOBI design-img_7382.jpgSAAB J21-prop version NOBI design-img_7383.jpg


add wood to the wing underside to attach the main landing gear
SAAB J21-prop version NOBI design-img_7384.jpg


attached to the wing
SAAB J21-prop version NOBI design-img_7386.jpgSAAB J21-prop version NOBI design-img_7388.jpg


and done

SAAB J21-prop version NOBI design-img_7389.jpgSAAB J21-prop version NOBI design-img_7390.jpgSAAB J21-prop version NOBI design-img_7391.jpgSAAB J21-prop version NOBI design-img_7392.jpg



Note: This is a very fast build to see if it can be converted to a jet. So I did not care too much about the appearance or rough edges. This also exposed the areas of concern regarding fit and looks since I up scaled it from 1/48 to 1/33.


Isaac
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  #17  
Old 06-20-2022, 06:58 AM
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Exclamation Tail surfaces

Here are the vertical tin fins and the horizontal one piece fin
SAAB J21-prop version NOBI design-img_7393.jpg



The vertical fins have added piece of wood stick in order to glue them to the booms without falling apart. I would say for a large 1/33 scale version this is a weak point of the design and needed that extra support. For 1/48 scale and smaller, it is probably OK.
SAAB J21-prop version NOBI design-img_7394.jpgSAAB J21-prop version NOBI design-img_7396.jpgSAAB J21-prop version NOBI design-img_7397.jpg

ready
SAAB J21-prop version NOBI design-img_7398.jpg


attached
SAAB J21-prop version NOBI design-img_7399.jpgSAAB J21-prop version NOBI design-img_7400.jpg



Isaac
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  #18  
Old 06-20-2022, 07:02 AM
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Exclamation Status

Here is the model so far


SAAB J21-prop version NOBI design-img_7401.jpgSAAB J21-prop version NOBI design-img_7402.jpgSAAB J21-prop version NOBI design-img_7403.jpgSAAB J21-prop version NOBI design-img_7404.jpgSAAB J21-prop version NOBI design-img_7405.jpg


Isaac
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Recent buildsMig-Ye8, NA Sabre, A-4E Skyhawk,Mig-15 red, Mig-17 repaint, SAAB series planes
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  #19  
Old 06-20-2022, 11:48 AM
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Exclamation Landing gear

There is nothing much here. No detail at all.


Wheels are laminated and sanded card discs
SAAB J21-prop version NOBI design-img_7406.jpg

gear in place
SAAB J21-prop version NOBI design-img_7407.jpgSAAB J21-prop version NOBI design-img_7409.jpg


on gear
SAAB J21-prop version NOBI design-img_7410.jpgSAAB J21-prop version NOBI design-img_7411.jpg


Isaac
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My gallery [http://www.papermodelers.com/gallery...v-r-6&cat=500]
Recent buildsMig-Ye8, NA Sabre, A-4E Skyhawk,Mig-15 red, Mig-17 repaint, SAAB series planes
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  #20  
Old 06-20-2022, 11:51 AM
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Prop and engine exhaust

Last thing to add is the pusher propeller and the engine exhaust pipes.

SAAB J21-prop version NOBI design-img_7511.jpg

Model is done


Isaac
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Recent buildsMig-Ye8, NA Sabre, A-4E Skyhawk,Mig-15 red, Mig-17 repaint, SAAB series planes
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