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Bronco's Chaffee
Removed by original poster on 05/14/19 - 01:27:07 (GMT).
pseudorealityx
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Posted: Monday, February 11, 2013 - 04:43 AM UTC

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Jesse
if you look at the frount right sprocket it looks to me that the teath are not conpletly engaged with the tracks i'm just thinking AMPS
dave



Hey Dave,

The Chaffee's drive sprockets do look a bit odd. Here's a photo of the real thing.

http://data3.primeportal.net/tanks/john_griffin/m24_chaffee/images/m24_chaffee_09_of_24.jpg

Of course, this Chaffee is equipped with the rubber block tracks, which used a slightly different drive sprocket, but even on these, you can see that the track seems to sit 'high' on the guide teeth.

Thanks for looking close though! Anything folks can spot now will only help this weekend. :)

Haven't seen the T-55 yet. Been busy actually modeling!



The track seems to sit 'high' on the sprocket in that photo becuase the sprocket has half circles in the vally between each tooth, these are probably stress holes, to stop the teeth/drive sprocket cracking (that's just a wild guess), but anyway, it makes the track look like it's sitting high on the teeth.

The drive sprockets on your kit, (ie with the metal tracks) don't seem to have these 'half circles', they just seem to have a very shallow curve in the vally's between the teeth, and this kinda makes it hard to see where the track should be sitting on the sprocket.




Yeah, the metal track sprocket have the same indentation, just not nearly as prominent. Bronco may have over done the 'lip' where the track sits, but oh well. I wonder if the hole is to relieve internal stresses, or allow some extra room to it can clear mud/muck out of the system without a build-up potentially throwing a track?
Joel_W
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Posted: Monday, February 11, 2013 - 11:19 AM UTC
Jesse, Just an outstanding build of a very difficult kit. Your painting and weathering just brings it to life. Well done.

I just started my own build of the Bronco M24, and I've never seen a kit with this many finally detailed parts before. It should be a real experience and challenge just to get close to the level you've attained.

I've already had issues with those casting PE serial numbers. So far I've just done one side. How did you deal with them?

Joel
pseudorealityx
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Posted: Monday, February 11, 2013 - 12:17 PM UTC

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Jesse, Just an outstanding build of a very difficult kit. Your painting and weathering just brings it to life. Well done.

I just started my own build of the Bronco M24, and I've never seen a kit with this many finally detailed parts before. It should be a real experience and challenge just to get close to the level you've attained.

I've already had issues with those casting PE serial numbers. So far I've just done one side. How did you deal with them?

Joel




My research says that for the 'early' version of the final drive castings, you should only include “D60548” and “D60549” on each side. The other bits are for the later casting with the floatation pads.

Otherwise, I was just REALLY careful. And instead of trying to use superglue on the tiny PE, I basically used regular model cement to soften the plastic they were going on, and then pushed them down into the softened plastic. After that, I carefully masked off the final drive covers and applied Mr. Surfacer over them since the final drive castings were cast, while the middle section of the front hull was armor plate.
Joel_W
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Posted: Tuesday, February 12, 2013 - 02:29 AM UTC
Jesse, thanks both for the information and the technique. Going to try it on the other side, and remove the 2nd and 3rd sets of numbers on the side I did, since I'm not happy at how they came out.
Joel
stef29
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Posted: Tuesday, February 12, 2013 - 06:26 AM UTC
Brilliant technique for white-washing, sounds like it would work for any chipping. I'll be giving that a try rather than hairspray or after market products. The effort here is fantastic, and I now want to do a whitewash! I love all of the effects this allows from the dirt to the chipping. Far more delicate effects than just the dirty old base coat. Thanks for sharing this.
pseudorealityx
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Posted: Tuesday, February 12, 2013 - 07:28 AM UTC

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Brilliant technique for white-washing, sounds like it would work for any chipping. I'll be giving that a try rather than hairspray or after market products. The effort here is fantastic, and I now want to do a whitewash! I love all of the effects this allows from the dirt to the chipping. Far more delicate effects than just the dirty old base coat. Thanks for sharing this.



Im not much for the whole chipping thing. I dont know know how well it would work. That said, I'm working on the base for the chaffee now, and I'm going to try a bit of chipping. This is only my 2nd whitewash, so I havent done a ton of experimenting.
Removed by original poster on 05/14/19 - 01:27:25 (GMT).
BBD468
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Posted: Tuesday, February 12, 2013 - 12:52 PM UTC
WOW Jesse...i dont get any better than that bro! Magnificent Chaffee right there. Well done sir.

Gary
Wigdog
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Posted: Tuesday, February 12, 2013 - 02:09 PM UTC
Great job Jesse. Look forward to seeing the finished product and you know what you can do with mine! LOL
pseudorealityx
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Posted: Tuesday, February 12, 2013 - 02:57 PM UTC

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I wonder if the hole is to relieve internal stresses, or allow some extra room so it can clear mud/muck out of the system without a build-up potentially throwing a track?



Probably a bit of both tbh Jesse, a side effect of cutting a hole to help with internal stresses (if I remember right, the hole helps to stop cracks forming) would be to also create space for clearing mud and debris from the sprocket, so it would be a kinda win, win setup.




The larger radius reduces the stress concentration factor. I had a design project to design the gearbox for a small sports car my junior year of college... and I even still remember a little bit!
pseudorealityx
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Posted: Tuesday, February 12, 2013 - 02:59 PM UTC

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WOW Jesse...i dont get any better than that bro! Magnificent Chaffee right there. Well done sir.

Gary



Thanks Gary. We going to see you in Atlanta in April?



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Great job Jesse. Look forward to seeing the finished product and you know what you can do with mine! LOL



Dave, it'll be there this weekend. I think your Chaffee came out great. That tiger face was awesome. I've got a bunch of figures to eventually put with the Chaffee... I may have to ask you some pointers on that.
BBD468
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Posted: Tuesday, February 12, 2013 - 03:12 PM UTC
Hey Jesse,

Im not gonna get to be there this year buddy and that sucks, but me and my nephew have eyes on it next year and were already trying to access the cost and travel arrangements for 2014. You will be one of the first to know when we get tha go ahead.

Gary
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Posted: Thursday, February 14, 2013 - 12:49 AM UTC
Nice job. Love the nice even whitewash.
dvarettoni
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Posted: Sunday, February 24, 2013 - 01:12 AM UTC
Jesse how did you do at the show ????
dave
pseudorealityx
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Posted: Sunday, February 24, 2013 - 03:41 AM UTC

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Jesse how did you do at the show ????
dave



Hey Dave, the Chaffee did solid at the show. Gold medal, and it also took home the "Chairman's Choice" Award. And as usual, the judging comments were good comments that I'm addressing now, to get ready for April's show. I'm excited.

What are we going to see of yours in April?
dvarettoni
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Posted: Tuesday, February 26, 2013 - 03:44 AM UTC
hay Jesse i'm going to have my T-55 and hopefuly soomethink eles dave
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