"Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

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RogueIV
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"Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

Post by RogueIV »

So I know there's going to be a lot of Kinwald replicas out there with the release of the Kinwald edition from AE but I've decided I want to make mine as accurate as possible to the '93 Worlds winning car, especially after realizing I had many of the parts needed to make it. That said I don't have all the parts I need yet so the car will have a few phases where it won't be 100% correct, and since it's going to be a runner, it won't have the exact electronics in it (I do plan on them later though!)

Reposting my to do list of things required to make my the Kit more accurate to Brian's actual car here for reference:

Missing Countersinks:
-2x tub sides that the nose tubes mount to
-2x rear of rear shock tower for the shock mount screws
-2x rear of front shock tower for the shock mount screws
-4x top side of trans brace for 4-40 screws.
-1x 100deg countersink for the body mount(bottom side)

Nose plate cut needs to be contoured more.

Nose plate cut (worlds cut) near the belcranks need to have anodizing removed/sanded off the edge to appear "machined".

Front of tub angle cut as shown in Jason's video.

top of rear arm webbing needs to be machined flush with bosses.

Bottom of rear web on rear arms need relief cut.

Missing middle hole in rear bulkhead. this hole is supposed to be 0.180" from the existing inner hole. Also outside needs to be cut like Jason showed in his video.

Rear Chassis Bend after the arm mounts with new central hole drilled. The screw hole used varies depending on the pictures I've seen. Pictures from the worlds show a BHCS in the right hole. Magazine pictures of it in the center with a nut on the inside (and a totally different motor plate.)

Slash cut and ridge delete on the antenna mount.

Battery box needs to be cut down.

Front bulkheads need to be drilled and tapped for a 4-40 set screw.

Turnbuckles have cuts to show direction, while nice this isn't what the original car had. The FanRC turnbuckles are a better fit and look more like the RCPS originals.

Brian used mostly Titanium 4-40 screws (Lundsford) Stainless is a close look to them. Looks like just about anything that was a Flathead Socket Cap Screw (FHSCS) was titanium. There's a few different SHCS used as well, front shock collars and rear tub to bulkhead use anodized blue aluminum screws while the rear shock collars appear to be either stainless of titanium.

Battery hold down used a pair of phillips head screws, unsure of the material, look to be beat up steel though.

He also used 2 natural Nylon nuts at the top mount of each shock and a cut down shock spacer between the 2 nuts.

Yellow Aluminum (some people call it green) 8-32 screws were used on the original. Steel socket head ones were included.

Rear arm mounts used low profile aluminum nuts on top of the rear screws.

need aprox 5 blue ano 4-40 mini lock nuts (servo steering ballstud and rear camberlink ballstuds) and 6 natural ones.(steering and front camber link ballstuds)

2x blue ano aluminum contersink washers used to mount front tower with titanium FHSCS.

Wrong style CVDs supplied with the kit with cup on the axle side instead of the bone side.

Rear hub carriers supplied in the kit are 0 deg ones and also have a bit of a green hue to them. Brian reportedly used 3deg carriers (1.5deg per side) the inner arm mounts are the correct 3deg models (1.5 per side) as well for a total of 6deg of rear tow in. The inner mounts were installed in the forward position (short wheelbase) instructions show conflicting info.

Need black eyelets, perches and clamps for the front shocks.

Black antenna tube should be a Red one.

Black ball cups on servo linkage. rest are white.

Tires are not right. But understandable. Should be Proline 8105 XTR Wide 5 in front and Proline 8086 XTR Flat Stubbies in the rear.

need to machine the outer lips down to the bead of the wheels

needs a hydradrive "pat pend", with black steel fill screws, and black Kimborough spur gear. Magazine trim it had a Green Losi Spur.

needs custom hollow black body mounts (I have a 3d model for these but need to confirm dimensions before i release them.)

Belcranks don't have the step like the Composite Craft ones had.

foam battery pad needed

Looks like Brian may have used Losi axles up front as they have a much bigger nut. Likely the "Pro" model that had a 5-40 set screw at the back for holding the kingpin in place.

He had Titanium hinge pins throughout, but I think he might have had an issue sourcing all the proper sizes as I see the following in the worlds' photos:
Longer hinge pin from the outer arms for the kingpin.
Longer hinge pins on the rear inner arms. you can see he added some white spacers to take up the slack in the photos at the worlds. unsure how much longer these were or what they were supposed to for.

E-clips:
-I think he ran a mix of e-clips, where he actually used them. The front kingpin and outer arm pins he used silver ones, or well worn black oxide ones. He didn't run any clips on the inners of the front arms I don't think he had a clip on the botton of the kingpins Rear look like black e-clips. at least the ones i can see.

Missing/incorrect decals:
MIP, missing
HPI, incorrect "HIP" decal included
ezekiel, Incorrect "ezekool" decal included
RC10 decals for wings, while close, original (during the '93 Worlds) was 2 decals layered ontop of each other. Left side had more of an offset than right side. Later (after '93 Reedy Race) the Pink decals were removed leaving only the Yellow ones.

Shock setup (according to magazine review):
Front #1 pistons, .060" internal limiters. 30wt Black Springs. Mounted to outside holes on arm.
Rear #1 pistons, .090" internal limiters. 30wt Green Springs. Mounted to outside holes on arm.
Note about this magazine article, it states that he towers have more than 1 set of holes, I can't tell if these were added after the race or if these exist at all as the pictures in the article are too grainy for me to see any other holes.

Other things of interest:
The car's setup changed over the race day as is the tradition of this sport :lol: . Brian did no equip the car with the hydradrive till his last qualifier and up to that point hadn't even been qualified for the A main. It helped dramatically helping him seed 8th in the A-main. This also caused Gene Hustings to run out and buy all of the RC10 hydradrive kits (4 of them) from the local hobby shop and 2 more from other drivers in the pits for his team to use.

During qualifying Brian appears to have been using 3pc wheels up front but changed them to single piece wheels for the mains. There was also rumors that AE was experimenting with weighted front wheels during the event. This also continued at the later Reedy Race in Japan where you can see Brian's car had 8 screws added to the front wheels.

update 6/28/25 - adjusted the number and colors of 4-40 small pattern nuts.
Consistency is the key I keep misplacing.

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Re: "Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

Post by RogueIV »

After work today I finally started to actually get to work on the car, starting with the "machine" work. I use that word lightly as I do not have a machine shop, but I do have a crappy, old drill press, an endmill, and a ramshackle cross slide vise.

First up - The rear arms
PXL_20250620_212144710.MP.jpg
IMG_20250620_183709569_HDR.jpg
IMG_20250620_173620699.jpg
Consistency is the key I keep misplacing.

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Re: "Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

Post by RogueIV »

Added the missing countersinks to the chassis along with reshaping the front of the tub. I also went over the and cleaned up the factory machined edges with fine sandpaper to get the edges more consistent.
IMG_20250620_185339775_HDR.jpg
IMG_20250620_185457711_HDR.jpg
reference pic
Screenshot 2025-06-21 023733.jpg
Screenshot 2025-06-21 023733.jpg (32.5 KiB) Viewed 198 times
Screenshot 2025-06-21 023733.jpg
Screenshot 2025-06-21 023733.jpg (32.5 KiB) Viewed 198 times
Next is the noseplate. While the factory machining looks nice on this it's not contoured like Brian did. Also, the back side "Worlds cut" isn't machined. Since the back of it is uneven from being cut via a punch smoothing out with a file first was needed, then followed up with some 320 grit. Nose contour was also done using a file as I trust it more than a Dremel, and it's only aluminum.
IMG_20250620_193158055_HDR.jpg
IMG_20250620_193656629_HDR.jpg
IMG_20250620_200353905_HDR.jpg
reference pic
Screenshot 2025-06-21 024839.jpg
Consistency is the key I keep misplacing.

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Re: "Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

Post by RogueIV »

Been slow going on this build. Tons of small things get noticed as I continue on.

Top shaft is too short of a hydradrive so had to source a new part for that. Strangly theres a seller on amazon selling them, we'll see if they're any good though.

Also ordering a bunch of new seals for the hydradrive from McMasterCarr so i can actually fill it with oil and make it functional. I did piece this one together out of the 2 I had, but not sure if I trust the old X rings and O ring enough to toss oil in it and make a mess. Looks nice though. Dug up some 4-40x1/8 screws to match the OG car's fill plugs.
hydra.jpg
I saw a lot of tires on ebay that had a pair of flat stubbies. It actualy had 2 pairs! granted at least one of them has a messed up bead. Bunch of other interesting stuff too. will be pulling the tires off of the wheels over time.
tire lot.jpg
Also got an order of KNK screws, Some Aluminum hardware from Fastener Express, and 2 bags of Racers Edge Titanium 4-40x3/4 FHSC screws.
pile of screws.jpg
more hardware.jpg
The KNK screws are great, these are very pale yellow. Honestly I do with they were slightly darker. but its either these or I use a bunch of old fasteners. I'll just stick with he slight color variance as it honestly doesn't matter that much.

The fastener express stuff is OK but the small pattern 4-40 lock nuts are a bit of a letdown. The blue anodizing is inconsistent and I had to prethread them onto a screw before using them on the ball studs because they refused to thread on straight because the nylon insert was too tight. The other stuff seemed fine though.
rear arms with nuts.jpg
The racers edge screws I got were a chance crossing, they were cheap enough and work quite well. I'll be using these throughout the car, cutting down some to go into areas that doesn't require the length.
titanium v  ss 4-40 1.jpg
titanium v  ss 4-40 2.jpg
Assembled the shocks. with the amount of shims noted in the magazine along with the #1 pistons and 30wt oil.
shock shaft assm.jpg
Cut down the shock mounts to be used with the double nylon nut setup. Noticed that BK's car didn't have the bleeder caps so I'll have to change those at some point
shock mount.jpg
Consistency is the key I keep misplacing.

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Re: "Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

Post by RogueIV »

Front shocks mounted. Will change the caps later.
front tower assembled.jpg
Rears mocked up. Need to mod the rear bulkhead soon.
rear tower shocks.jpg
rear tower shocks.jpg (24.45 KiB) Viewed 52 times
rear tower shocks.jpg
rear tower shocks.jpg (24.45 KiB) Viewed 52 times
Nose assembled with titanium screws. Spacers changed to 1mm. Not you have to tighten the 3 noseplate 8-32 screws before doing this. I also ran the 100deg countersink in the 3x chassis to noseplate #8 screw holes a bit to make the screws sit a little better. I had already done the #4 holes earlier.
nose with titanium screws.jpg
The transmission supplied with the kit is a modernized unit, with extra webbing, molded in spacers and a different idler gear with internal bearings. This is a strange choice to me, since the DS came with the proper transmission molded in black already. I decided to just swap the trans out of my DS to use on this car as its more proper, and will put the newer style trans into the DS. This will also allow the use of the felt gasket. I need to change to a grey felt though as the DS was supplied with a white one.
trans case 1.jpg
trans case 2.jpg
rear trans, from DS.jpg
I also need to swap in older grey outdrives. I'll do that when the new topshaft arrives for the Hydradrive.

Another thing I need to sources is longer rear inner hingepins, preferably titanium ones. Unsure what the ones Brian used are from but they were a good bit longer than stock.
Consistency is the key I keep misplacing.

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Re: "Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

Post by scr8p »

From the recent chat talk. Correct ones on the left.

20250706_010543.jpg

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Re: "Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

Post by RogueIV »

scr8p wrote: Sun Jul 06, 2025 1:08 am From the recent chat talk. Correct ones on the left.


20250706_010543.jpg
I'll have to pick some of those up at some point but honestly when the ones i got are installed they look basically the same unless you look really close. This is it with the B4 caps.
front shocks with B4 caps.jpg
It's not right, but it's more right than the bleeder caps in the kit. Plus side is now my B4 has bleeders.
Consistency is the key I keep misplacing.

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Re: "Make it trick!" - RogueIV's Enhanced Kinwald Rplica (and runner)

Post by carloco8 »

Straight to ebay for those early plastic rc10 CE caps. There were a handful of gold shocks with those plastic caps on them from parted out CE's.
Old school racing all the way!

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