KV 107mm what if
- Bryan Krueger
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KV 107mm what if
This is a project I have been working on for the past week or so designing a what-if KV equivalent to the JagdPanther. It uses design details from other 41/42 KV SPG design efforts, notably the KV-7. The parts are designed in SolidWorks. There are a lot of missing details right now, hull MG, exhausts, engine deck, etc. but this should be sufficient to get the idea across.
I based all my dimensions off the Trumpeter KV kit. But hopefully the RFM or Tamiya kit will be available by the time I get around to this.
Sorry for the large watermark but you can never be too careful these days.
I based all my dimensions off the Trumpeter KV kit. But hopefully the RFM or Tamiya kit will be available by the time I get around to this.
Sorry for the large watermark but you can never be too careful these days.
- Philipp Gross
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Re: KV 107mm what if
Looks really good Bryan! I could imagine this thing as an offshoot of the KV-7.
Philipp
Philipp
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Re: KV 107mm what if
Thanks. It seems like a plausible early anti-tank design before they became obsessed with bigger guns.
- Vincent Power
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- Bryan Krueger
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Re: KV 107mm what if
It appears that a year has passed and it's time to start this one. Not sure why as I have 7 other incomplete builds right now.
But here we go...
The 3D mantle parts were printed by a friend of a friend. I put a call out on FB for anyone willing to assist and Rob R messaged me. It seems he and two other guys pooled resources and collectively bought a 3D printer which they all use. This sounds like a clever way to share the costs for a better quality printer. In a few days I got the two parts and did a quick test fit.
The donor kit is a Trumpeter KV-7. The casemate is .06" thick styrene sheet. The barrel was harvested from the KV-5 which I salvaged tracks off last year for the similarly armed KV-2 with 107.
If you look at the CAD above in my initial post, I had a slightly different roof layout planned but the KV-7 roof plate was so close and hacking up the KV-7 was nicely cathartic after the love/hate relationship I have with the Trumpeter kit.
The fit is pretty close. Just needs a little trimming and then holes for bolts.
But here we go...
The 3D mantle parts were printed by a friend of a friend. I put a call out on FB for anyone willing to assist and Rob R messaged me. It seems he and two other guys pooled resources and collectively bought a 3D printer which they all use. This sounds like a clever way to share the costs for a better quality printer. In a few days I got the two parts and did a quick test fit.
The donor kit is a Trumpeter KV-7. The casemate is .06" thick styrene sheet. The barrel was harvested from the KV-5 which I salvaged tracks off last year for the similarly armed KV-2 with 107.
If you look at the CAD above in my initial post, I had a slightly different roof layout planned but the KV-7 roof plate was so close and hacking up the KV-7 was nicely cathartic after the love/hate relationship I have with the Trumpeter kit.
The fit is pretty close. Just needs a little trimming and then holes for bolts.
- Bryan Krueger
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Re: KV 107mm what if
Made some progress over the weekend.
The 3D printed parts were textured with Tamiya Grey putty thinned with liquid cement. Master Club 0.5mm hex bolts and 1.4mm + 1.8mm bullet proof bolts were added.
The roof plate was cut to fit. All the holes for the periscope armor were filled with stretched sprue, counter bore holes were drilled and .7mm Hex Bolts were added. The acorn periscopes are from Bitskrieg and are only a little better than the kit parts. More holes were drilled for the Aber PE screw heads.
The casemate was glued together
The 3D printed parts were textured with Tamiya Grey putty thinned with liquid cement. Master Club 0.5mm hex bolts and 1.4mm + 1.8mm bullet proof bolts were added.
The roof plate was cut to fit. All the holes for the periscope armor were filled with stretched sprue, counter bore holes were drilled and .7mm Hex Bolts were added. The acorn periscopes are from Bitskrieg and are only a little better than the kit parts. More holes were drilled for the Aber PE screw heads.
The casemate was glued together
- Bryan Krueger
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Re: KV 107mm what if
Making progress on wheels and welds.
Added the rear loader's hatch and some Eduard PE for the air exhaust.
Tracks - You might like this...
I purchased a set of assembled Fruil tracks off eBay. They looked good in the photos. I received the set and they were both right handed tracks. Ugh... I hate this and this is the 3rd set of Fruils to do this. Not to be discouraged, I corrected the LH tracks by pulling out the existing wire a little snipping off the end, pushing it back down into the hole, drawing a file across the hole and gluing on a Meng .8mm bolt. I also filed flat the incorrect detail to form a bolt head. Repeat 85 times to create a left hand track. This looked pretty good but it not match the right side now, so I filed off the cast on bolt head and glued on 85 additional .8mm bolts. This step is posted below.
The assembled tracks with a spray can coat of Mr Surfacer Mahogony Primer.
Added the rear loader's hatch and some Eduard PE for the air exhaust.
Tracks - You might like this...
I purchased a set of assembled Fruil tracks off eBay. They looked good in the photos. I received the set and they were both right handed tracks. Ugh... I hate this and this is the 3rd set of Fruils to do this. Not to be discouraged, I corrected the LH tracks by pulling out the existing wire a little snipping off the end, pushing it back down into the hole, drawing a file across the hole and gluing on a Meng .8mm bolt. I also filed flat the incorrect detail to form a bolt head. Repeat 85 times to create a left hand track. This looked pretty good but it not match the right side now, so I filed off the cast on bolt head and glued on 85 additional .8mm bolts. This step is posted below.
The assembled tracks with a spray can coat of Mr Surfacer Mahogony Primer.
- Philipp Gross
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Re: KV 107mm what if
Three cheers for Meng nuts
Bronco and Trumpeter make workable styrene KV tracks, might be less hassle next time
Philipp
Bronco and Trumpeter make workable styrene KV tracks, might be less hassle next time
Philipp
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- Bryan Krueger
- Senior Site Contributor.....
- Posts: 904
- Joined: 18 Feb 2015, 03:35
- Location: Colorado
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Re: KV 107mm what if
Both the Bronco and Trumpter sets are the narrower 650mm tracks. I've built the Bronco set once. ONCE. It was a chore.