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Old 06-06-2011, 08:31 PM
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Darwin Darwin is offline
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Prudensio Alpha Romeo

Seeing as how none of the rest of the half-dozen or so of you playing in this sandbox has stepped up to the plate, someone really should tackle the Zio puzzles sans instructions, so I guess it will be me. Having successfully managed my way through one of his 1:24 hotrods in the past, I have a little familiarity with the methods behind Zio's madness on these designs, so maybe there is a chance the model will make it all the way without becoming a labor-intensive spitwad. This will not be a pretty build, but maybe liberal use of touch-up paint will keep it from breaking mirrors....I figure I'm going to do well enough just figuring out where the bits go, much less make them pretty.

Prudensio Alpha Romeo-44.jpgPrudensio Alpha Romeo-45.jpgPrudensio Alpha Romeo-46.jpgPrudensio Alpha Romeo-47.jpg

When assembling the frame pieces....red goes on the top and the outsides, dark grey on the bottom and insides of the frame rails. The frame seems to be built around the rear axle/differential, so build that first. Fold and glue together the frame side rails. Like most Zio models, cut the half of the part without tabs to the part outline before folding and gluing. While they are drying, cut out the top piece of the framework and fold the tabs on the part sides upwards (valley fold). Attach one of the siderails to the frame top piece. My own thought is that the bent-up tab at the front of the frame top piece should align with the front of the frame side rail, so that the leaf-spring attachment bracket (the little oval fiddly bit) lies behind the tab. I had best my best result attaching the side rails by starting at the front of the frame, and working toward the rear. When the first frame rail is glued on, insert the rear axle assembly into the cutout on the rear leaf spring (but don't glue it yet), then glue on the second of the side rails. Carefully check and recheck that the position of the side rails respective to the forward tab on the frame top is the same on both sides, or your model will suffer from a "sprung frame" as does mine. Next, cut out, U-fold, and glue the frame crossmember that will serve as the transmission attachment. When dry, cut out and glue on the frame bottom piece. The tabs on the frame bottom look like they are intended to be wrapped around the corresponding crossmember on the upper frame piece....based on the hotrod build, this likely serves as the base for the radiator assembly. I'm not sure yet which way the tab is supposed to be positioned, so don't glue it to anything yet. When this is dry, position the rear axle assemby so the same amount pokes out on both sides of the frame, and the attachment location for the drive shaft faces to the front, and superglue the little sucker into place, keeping the frame as straight as possible while the glue cures. Now glue the front and rear leafspring parts in place, and if you haven't done so yet, glue on the pieces that hide the tabs on the inside front of the frame rails (this is the little part that hasn't been cut out yet in the above pics). To finish up the framework, cut out and assemble the front axle. I found it worked well to superglue the edges of the tabs together...this held the piece from trying to pretzl when gluing on the tops and bottoms of the axles. I found that the little gray bit that was among the white tabs on the edge of the axle are also tabs...they are the ones that attach the assembly onto the front leaf springs. When dry, glue the front axle assembly onto the front leaf springs.

This is as far as I've gotten. I'm now going to build me a jig that will hopefully keep the frame straight until enough of the drive train is in place to stabilize the structure. Also, I opened my big mouth to have a paper-modeling session for the activity portion of my wife's church's girls youth organization....finding girl-appropriate model subjects is much more of a pain than for the boys groups. I guess some of the cutesy animals from Canon and maybe the dollhouse furniture freebie from bestpapermodels....wish me luck, guys...I'm going into the lion's den tomorrow evening.
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Old 06-06-2011, 08:34 PM
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Don Boose Don Boose is offline
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Wow! Major project and a real challenge. You are doing us a great service by providing the good images and the detail anrrative of the build. I will watch closely (although I am not inclined to try this one myself, so will have to enjoy it vicariously).

Don
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Old 06-07-2011, 03:15 AM
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doctormax doctormax is offline
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the scary one that was on my wish list but the lack of instructions scared the bear off. i will look on this one with interest.
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Old 06-07-2011, 05:22 AM
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I just looked at this yesterday. It looks like a beautiful model, but as has been noted, no instructions is just too intimidating!
You're a brave man to be attempting this one... as well as hosting the girl modelers!
Chris
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Old 06-07-2011, 06:04 AM
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Art Deco Art Deco is offline
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I am so happy to see someone tackling one of Zio's fantastic 1/24 scale auto models! Zio's models in general have terrific graphics, but I think none are better than his 1/24 scale cars.

Darwin, thanks for taking on this project, I'm really looking forward to seeing how it turns out!
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Old 06-07-2011, 12:56 PM
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In building the Zio hot rod, I found that the drive train was the key part of keeping the frame straight, so that is next in my build. I started with the transmission. After cutting out the parts, I was a bit mystified as to how they fit together. Since the flywheel assembly looked fairly straightforward, I started there and trusted to Zio's clues to figure out the rest.

One major pitfall here that isn't obvious from Zio's photos of the undercarriage....on the front piece of the flywheel, the white location box for attaching the engine should be at the top of the flywheel. For me, the nuclear law of averages kicked in (given a 50-50 chance, you will screw it up 95 percent of the time) and I pointed it toward the bottom of the trannie. Since that portion of the assembly is pretty well hidden by the engine after assembly, I didn't bother printing out another flywheel front to paste over the error.

Next in my sequence was assembling the bell housing and attaching it to the back of the flywheel. From there, it wasn't too difficult figuring out how to fold and locate the body of the transmission. The engine block is fairly straightforward...the trickiest part is figuring where to place the fold scribe lines for the valve covers. My pics show the sequence I used for gluing up the engine block. Next step was the timing chain cover assembly....and this completes this segment of the build. Now need to take a break and print out some kits for the girls to build tonight.

Prudensio Alpha Romeo-48.jpgPrudensio Alpha Romeo-49.jpgPrudensio Alpha Romeo-50.jpgPrudensio Alpha Romeo-51.jpgPrudensio Alpha Romeo-52.jpgPrudensio Alpha Romeo-53.jpgPrudensio Alpha Romeo-54.jpgPrudensio Alpha Romeo-55.jpgPrudensio Alpha Romeo-56.jpgPrudensio Alpha Romeo-57.jpg
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Old 06-07-2011, 08:59 PM
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Superb engine!
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Old 06-07-2011, 09:13 PM
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I'm watching this close Darwin. You have gone where I feared to tread!
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Old 06-07-2011, 09:17 PM
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Wonderful. This is impressive. Judging by the tweezers, you either have giant tweezers or the engine is fairly small for 1/24? I know nothing about cars (or much else to be honest), so forgive my ignorance here. You've done an exacting build on something with what looks like an awkward assembly. Looking forward to seeing further progress on this one. Good luck getting a few converts tonight (that's to paper modeling, I mean).
Chris
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Old 06-07-2011, 11:24 PM
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Darwin Darwin is offline
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I think I've gained at least one convert from the session tonight. Ironically, I think it may have been one of the group leaders. She says she is going to try getting her 18 year old son interested in the architectural models.

Some more progress....most of the hang-on-the-side thingies important for making the engine run are completed. I doubled the fan belts on 1mm card....makes it look realistic. Next will be the exhaust stubs.

Prudensio Alpha Romeo-58.jpgPrudensio Alpha Romeo-59.jpgPrudensio Alpha Romeo-60.jpg

Just for grins, I thought I'd show a few pics of the hot rod I built a few years ago. I'm not sure if the current Zio hot rod downloads include instructions (I think they do, but cannot say with certitude), but there are enough similarities in construction/assembly between the hot rods and his other 24th scale cars to be of help.

Prudensio Alpha Romeo-hr1.jpgPrudensio Alpha Romeo-hr2.jpgPrudensio Alpha Romeo-hr3.jpgPrudensio Alpha Romeo-hr4.jpg
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