1/72 J7W2 Shinden Kai Conversion

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#16

Post by ShindenKai » 16 Sep 2022, 07:54

A couple quick shots to give a lil idea of how the vert fins will look.
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552D71FE-E746-45BB-802C-4E9DA4CB2C5E.jpeg
CCC29F23-6F05-464F-A6A6-922841DF1A7D.jpeg

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#17

Post by ShindenKai » 19 Sep 2022, 22:57

Adding material to vert fins, 3 layers of thin styrene.
Attachments
5A3BF9A3-1F46-402C-B61D-D6BC20F781FC.jpeg
87E92623-FBEE-4A1C-A23B-47F4217F398B.jpeg


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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#18

Post by ShindenKai » 02 Oct 2022, 01:20

More slow progress on vert fins, sheet styrene added to fill-out airfoil shape.
Attachments
266F2872-A665-4CCB-A2E9-E115D20A3640.jpeg
J7W1 with J7W2 Vert fin/rudder
6066560F-2ED0-43FC-9B31-079630531D8C.jpeg
9F747B20-18B4-45C6-B641-ED9C1901D4B2.jpeg
2E192CF6-2A27-4CAE-8A77-1AFF27FD3A3D.jpeg

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#19

Post by ShindenKai » 07 Oct 2022, 06:14

Vert fins getting further along...
Attachments
77512B9B-7698-404E-A1C7-DABFD55BCE78.jpeg
Vert fins, Stage 1 shaping...

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#20

Post by ShindenKai » 10 Oct 2022, 09:24

Shaping the lower portions of the vert fins, inspired by the tips of the main wings...gotta have design continuity. Next step, do the same to the top of the fins and maybe adjust trailing edges...
Attachments
6D54BFC7-5DA6-4A3B-8643-B9906D29003F.jpeg
C9AB078C-923C-4D01-BF2A-2A2876105A01.jpeg

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#21

Post by ShindenKai » 16 Oct 2022, 22:19

The bottom edge of the vert fins extends roughly 9” below the wing’s underside, as it is, the tips and center of the belly are the only things that touch, as shown. Considering trimming off 3”...but I like them as they are...
Attachments
A6803A10-DA42-480F-BC64-F6FFCDC8082C.jpeg
983A8E11-4220-4B3B-A27F-28723C7564FF.jpeg

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#22

Post by ShindenKai » 24 Oct 2022, 23:48

More work done on MLG wheel wells...
Attachments
B162AA9F-9031-4B1C-83D0-4DCA01EE4120.jpeg
MLG fitment in wheel-well
BA433649-F446-413A-A8C9-4D465E435D5B.jpeg
MLG Door + Finalized MLG wheel well shape
AD55E3D4-BAD8-4DDA-B9E4-ABAA8712E076.jpeg
MLG Door fitment

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#23

Post by ShindenKai » 27 Nov 2022, 11:23

I picked up a Diels Engineering 1/24 J7W1 Free-flight Rubber-powered balsa model. Resized the plans down to 1/48 to make a profile-scale chuck-glider (hand-thrown) to get better a idea of the proper size to make the canard fore-plane and the sizing/positioning of the vert stabs...
Attachments
CF29A8EC-1B30-4861-A450-0086688CB2EF.jpeg
Diels 1/24 J7W
FFA1AA84-0BB2-44E1-B942-FC5B302759A9.jpeg
Diels J7W peek inside the box...
E5AAF1DD-A753-4387-8D72-A55DF5E8C582.jpeg
Diels J7W Re-sized to 1/48...

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#24

Post by ShindenKai » 19 Dec 2022, 02:02

Some work on the second J7W2, a bubble-top conversion...
What Model would that make it? It'll also have larger Canard fore-planes... Model 22?

Enlarged & swept Canard
Shortened gear
Modified Vert Stabs & Rudders
Bubble-top...
Attachments
FF14DCBA-F63D-4E26-8361-44D7E9A04648.jpeg
Bubble-top vs Razorback halfs stage 1
FEB6C195-83B6-4159-86A2-4AD98FD966D2.jpeg
Bubble-top vs Razorback fuselages

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#25

Post by ShindenKai » 04 Jan 2023, 02:55

-Delayed because I thought I had ordered .17mm diamond wire-saw, turns out I hadn't... So, it's been ordered should arrive next wk. -Tired of the tedious scoring used to carefully remove sections, figured I try something else.

-Considering making a "high-aspect ratio" wing (high-altitude) Shinden Kai as well...

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Re: 1/72 J7W2 Shinden Kai Conversion

#26

Post by JonOlsen234 » 08 Jan 2023, 21:38

Very impressive work, and well researched. I'm looking forward to seeing your progress of your builds.

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#27

Post by ShindenKai » 10 Jan 2023, 02:38

JonOlsen234 wrote:
08 Jan 2023, 21:38
Very impressive work, and well researched. I'm looking forward to seeing your progress of your builds.
Thank you for your kind words.

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#28

Post by ShindenKai » 10 Jan 2023, 05:42

.17mm Diamond wire saw arrived today. It's magical! Like a hot wire through butter!

Still need to section rear most portion of fuselage...

*Bottom pic: the removed sections have also had 2+mm strip removed from the bottom edge to bring the spine/top of the fuselage down.*
Attachments
D9CA4FAC-A4FD-4577-8E3B-2E91E5C3BB75.jpeg
Fuselage cut
E1ECD0CE-3F41-463D-A95A-9B4640EB0ECB.jpeg
Fuselage section removed
854C73E5-F1F9-4F90-B84E-E6A2EBCEFB4E.jpeg
Fuselage sectioned, backing strip added

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#29

Post by ShindenKai » 10 Jan 2023, 09:59

Really crankin' it out today, the major adjustments to the rear fuselage have been completed. Final shape refinement is next.

A7M2 Reppu canopy actually looks pretty good...

But I have a different canopy in mind...
Attachments
06E87D95-4C12-4296-BF02-C95533354028.jpeg
Final section cut
83B52B36-5096-485C-9439-2C41A56507BB.jpeg
Rearmost section, repositioned
854987DA-87D8-45DA-9DB6-49068600AA83.jpeg
Rear decking faired in...
F8A9485F-A9F9-4AD6-AA43-D632DFB8A2DA.jpeg
A7M2 Canopy fitment test...
0C2B30DE-449E-48F5-9A72-52025E5AD6E5.jpeg
Another view of A7M2 Canopy fitment...

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ShindenKai
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Re: 1/72 J7W2 Shinden Kai Conversion

#30

Post by ShindenKai » 17 Jan 2023, 20:35

More work done on fuselage...
Attachments
17397A80-97B2-4855-8485-531776FF9923.jpeg
Planked up with styrene strips
7BA2A626-1C51-4DEC-9C07-72A9A66F6330.jpeg
Cut-down vs Razorback
980F3183-C32D-4242-A7C3-1564B30BC4DE.jpeg
Reshapin'

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