- '91 Stealth Masami replica -

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slotcarrod
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Re: - '91 Stealth Masami replica -

Post by slotcarrod »

BradR wrote:The hand written numbers are probably just inventory numbers. For big events, Mike would bring boxes of blank motors and pre-wound armatures. Based on whatever worked, he would assemble race motors at the track. It made more sense than bringing hundreds of built motors, and only using a fraction of them. The additional white label probably had the driver's name on it.
Thank you, just trying to get to the bottom of this. Have any of you guys known Mike Reedy to hand pick motors for certain drivers? I know this was not talked about much, perhaps to prevent any jealousy. There were "special parts" made for certain drivers in the AE camp during the 91 Worlds. Something to do with lightweight drivetrain. :wink: Questions were asked by one British team member. :lol:

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Re: - '91 Stealth Masami replica -

Post by Asso_man! »

So happy New Year to all of you! I had two weeks off and managed to work a bit on the Stealth car project. I had a ton of fun reaming the Shapeways parts, modifying nylon parts and test fitting everything. I must have assembled and disassembled the car 4 or 5 times already :D
I also found more parts as I went digging up the part boxes. It just seemed every time I went looking for a specific part I went back with another one. There are so many small details to make this thing as close as possible to the original.

First thing that was assembled were the front c-hubs and knuckles using 2 alloy washers under each steering ball stud along with the gold 4-40 nuts. The only thing that puzzled me here was that the c-hubs have a too thick ear where the linkage ball stud attaches,

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Then I further reamed the suspension arms and blocks using a 1.248 reamer:

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Trimmed the rear bulkhead but still need to remove some flashing and finish it a bit better:

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Made some progress on the front end and have a question: where can I find the white nylon nuts for the front axles?:

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Rear shocks were assembled with vintage parts only as I didn't want to use the re-release shock bodies as they differ too much in colour (the OE ones are kaki where the new ones are gun metal) and have an extra recess at the bottom of the body.

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I also started working on the modded battery cups but got a bit tired and stopped here:

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The infamous Stealth transmission was essentially built with vintage parts, most of them being NIP:

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I even went for a used and yellowed spur gear, just need to replace the bronze bushing with a thrust washer assembly as used by Masami. Motor screws are now correct, but would need to make some further investigation about the spur gear/pinion gear ratio:

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For the rear hubs I didn't want to use the re-re ones as they are so badly moulded, on top, you can clearly see the "L" on the left hub on Masami's car, so I cleaned up some slightly used ones I had laying around:

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I also received these during the holidays, they are just perfect and just need to get anodised gold! HUGE thanks to Mark aka Limestang who machined these according to Pedro's (metric) measurements. I even found the correct Yokomo screws to attach the wing:

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And here is how it sits right now (still plenty of details to fix). Note that I used vintage Yokomo wing mounts as I found they were a tad more correct looking than the ones kindly included in Jake's kit:

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I now need to order Lunsford turnbuckles, find someone who could nicely paint the body, wing and undertray, machine the rear Yokie wheel hubs, mod the rear wheels and find these DAMN correct tires :evil: etc., etc., etc. Stay tuned!
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Re: - '91 Stealth Masami replica -

Post by romulus22 »

Car is coming along really nicely. Just got around to reading your post along with the pictures. You can purchase the 4-40 nuts through Associated or others. Here is the part number.

http://www.teamassociated.com/parts/details/4184/

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Re: - '91 Stealth Masami replica -

Post by Asso_man! »

Thanks! I do have these nuts on the shock mounts already and have plenty left, but they come factory threaded for the 4/40 standard screws, the thread is thicker on the front axles and you would have to force them into place, I thought there could have been a more adapted white nylon nut.

When assembling the rear shocks, I was also scrutinising about the internal spacers in there and how much were needed for this car. When looking at Stealth car pictures, it seems to me that the rear arms have a lot of droop and go below the drivetrain level. To get there, I had to only use one thick spacer in the rear shocks, were 3 were used on the front shocks.
What did you guys do?
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Re: - '91 Stealth Masami replica -

Post by jwscab »

Those white nuts are available pre-threaded or not. If the axles are 5-40, then threading them on is not a problem, they will just be a tight fit.

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Re: - '91 Stealth Masami replica -

Post by romulus22 »

I had no problem threading mine on

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Re: - '91 Stealth Masami replica -

Post by Asso_man! »

Thanks guys, I just tried and they work fine indeed, just a bit difficult the first time.

I spent some time in the details today and hell these battery cups are still a b#@&h to cut nicely. Did my best to mimic the cuts on the original car, but wasn't easy. I then installed them along with a T2 foam pad I cut in pieces.
The dogbones were gently sanded to give them back the lightly polished look they have on the Stealth cars.

Oh and I ordered the hinge pin and turnbuckle kits from Lunsford today, can't wait to get them :D

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Re: - '91 Stealth Masami replica -

Post by slotcarrod »

Your battery cup look excellent!

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Re: - '91 Stealth Masami replica -

Post by marlo »

slotcarrod wrote:Your battery cup look excellent!
I agree, killer job!

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Re: - '91 Stealth Masami replica -

Post by Asso_man! »

Thanks guys, took me a few hours to complete this with no less than 6 different cutting/filing/sanding tools! I could do a better job now that I've done these but it will do for now. By far the heaviest mod on the car. Result is a COG a few milimeters lower, a car a few grams lighter, escape holes for dirt and debris and easier removal of the battery :mrgreen:
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Re: - '91 Stealth Masami replica -

Post by slotcarrod »

Where did you see original pictures of the foam battery pads?

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Re: - '91 Stealth Masami replica -

Post by scr8p »

Nice work David!

Rod, you can see the foam pads in any body off shot of Masami's car.
1991 Detroit Worlds RC10 - Overall Chassis Custom Upper Plate Layout.jpg

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Re: - '91 Stealth Masami replica -

Post by Mr. ED »

scr8p wrote:Nice work David!

Rod, you can see the foam pads in any body off shot of Masami's car.
1991 Detroit Worlds RC10 - Overall Chassis Custom Upper Plate Layout.jpg
Oops, David it looks like you'll have to remove one of the foampads and make sure it leaves some sticky residue :wink:

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Re: - '91 Stealth Masami replica -

Post by Asso_man! »

Mr. ED wrote:
scr8p wrote:Nice work David!

Rod, you can see the foam pads in any body off shot of Masami's car.
1991 Detroit Worlds RC10 - Overall Chassis Custom Upper Plate Layout.jpg
Oops, David it looks like you'll have to remove one of the foampads and make sure it leaves some sticky residue :wink:
Lol that will come later on by itself while running the car :mrgreen:

Made baby steps in the meantime: I managed to source a used set of Yokomo preload shock clips that needed I thorough cleaning and thanks to a deal with Minisforever, I now have the TR32 rear tires. The body is being taken care of by VintageAE and finally managed to contact Ultrahive to get a set of stickers. Still a lot of details to be fixed and parts to be sourced like the illusive Novak 410 M1c without the fuse, the even more illusive front tires etc...

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Re: - '91 Stealth Masami replica -

Post by Asso_man! »

Couldn't resist any longer the car standing without shoes, so I used provisional ones.

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