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-   -   4-Rotor FC Build (https://www.rx7club.com/build-threads-294/4-rotor-fc-build-974831/)

Claudio RX-7 09-25-12 01:01 PM

Wow, this is an amazing build project, i have to tip my hat to John for doing all the work he has done and for simply doing it to the level of quality you just dont see anywhere!

Congratulations and keep it up! Looks awesome!

jorx7 09-29-12 06:58 AM

any new pics???

Schnuh330 09-30-12 01:55 PM

Amazing build can't wait to see the finished car. I like the new wheel choice, imo 16"s look better and you can run a less expensive tire with a little more sidewall, at least for on the street. I know the stretched/flush look is popular and I'm all for it, cause it keeps my dad busy, he welds all the busted wheels for a local shop, but I like something a little more practical. You know a wheel/tire combo that says "I can actually drive fast enough on the street to get a speeding ticket without fear of breaking a rim."

Anyway keep up the great work, looking forward to seeing more updates

John Huijben 09-30-12 02:46 PM


Originally Posted by R-X-R (Post 11232195)
i hope u put nice carpet inside and dont look all ragged, even with all the cage and stuff.

Maybe I'll do that for street use, but I don't think it's allowed on the track depending on class / event.



Originally Posted by jorx7 (Post 11238614)
any new pics???

No sorry, still busy with prepping a lot of parts for paint. Most of the parts need a lot of work to get everything nice and straight, and there are just soo much extra little parts to prep, like trimmings, headlight parts and such. I was planning to shoot some paint this weekend, but decided to spend some time prepping everything a bit better, and paint it next weekend.



Originally Posted by Schnuh330 (Post 11239659)
Amazing build can't wait to see the finished car. I like the new wheel choice, imo 16"s look better and you can run a less expensive tire with a little more sidewall, at least for on the street. I know the stretched/flush look is popular and I'm all for it, cause it keeps my dad busy, he welds all the busted wheels for a local shop, but I like something a little more practical. You know a wheel/tire combo that says "I can actually drive fast enough on the street to get a speeding ticket without fear of breaking a rim."

Anyway keep up the great work, looking forward to seeing more updates

Yeah, I agree. This FC will also be used on the street, and with all the speedbumps and crap over here I needed a pretty streetable setup. Less expensive tires is also a huge bonus, since the 4-rotor engine hopefully will have no problem eating up a lot of them.

12ARX 09-30-12 08:53 PM

Awesome build.

R-X-R 10-01-12 05:21 PM

i dint know u couldnt use carpet for track purpose .,. oops.

rx7 SE 10-03-12 10:56 AM

subscribed!

BAMFRx-7 10-03-12 12:17 PM

love it man

Shadowscreed 10-03-12 06:52 PM

This is absolutely amazing, I wish I had access to all the equipment you do, hope to see the end result.

John Huijben 10-07-12 01:08 PM

Painted some stuff this weekend, crappy job which took me wayyy to long, looks ok though. :), Still need to do some trimmings and stuff next week, and hopefully I can start doing something mechanical after that :), the last 6 weeks have just been prepping, painting and wiring so I'm itching to pick up a wrench and start getting the mechanicals together.


https://lh3.googleusercontent.com/-x...2/CIMG2548.JPG

https://lh6.googleusercontent.com/-R...2/CIMG2556.JPG

1SWEET7 10-07-12 01:42 PM

White & Black looks great John! I love the custom wood boxes you make for everything too.

GeenIdee 10-07-12 03:15 PM

looking good bud!

John Huijben 10-07-12 05:42 PM

Thanks :nod:

https://lh6.googleusercontent.com/-k...2/CIMG2531.JPG

Clark13b 10-07-12 06:18 PM

This is probably the best build I have ever seen. This is my first look at the thread...the e-shaft made my day man. I'm very impressed with the professional quality that I've never seen anywhere else except from mazda itself. You just earned yourself a subscriber.

Shadowscreed 10-09-12 12:45 PM

The paint work you did is beautiful, when you're done with the FC it'll look like it's the late 80's and you just bought it fresh from the showroom floor if not better

rotarylyman 10-09-12 03:34 PM

Wow!!

justturbo2 10-09-12 04:26 PM

awesome build!!!

ecto_cooler 10-11-12 12:14 PM

Hi John,

I like the black and white as well, for some reason I'm reminded of a stormtrooper when I look at the body panels you've completed. How did you spray them? It looks like you got some orange peel going on, are you going to keep working with it?

John Huijben 10-11-12 04:51 PM


Originally Posted by Shadowscreed (Post 11249787)
The paint work you did is beautiful, when you're done with the FC it'll look like it's the late 80's and you just bought it fresh from the showroom floor if not better

Thanks! I can think of a few differences between a stock FC from the showroom floor and this one though :-)



Originally Posted by ecto_cooler (Post 11251983)
Hi John,

I like the black and white as well, for some reason I'm reminded of a stormtrooper when I look at the body panels you've completed. How did you spray them? It looks like you got some orange peel going on, are you going to keep working with it?

Yeah I see what you mean with the stromtrooper thing, right after painting I thought the front bumper looked like a hungry panda bear or something :lol:

But those trimmings are molded with the bumpers, so there's no way to take them off to paint them a different colour. So I painted everything with a basecoat first, then painted the bumpers in metallic black, let that dry for about 4 hours or so, Masked the trimmings and the bottom grill, and then painted everything white. With the white still a little bit wet I removed the maskings, waited a bit, and then painted everything a 2k clear coat. The clearcoat really makes it flow together and look good.

Your right about the orange peel, I got a little bit of that going on. Probably because I don't have an actual proper paint booth. I just god some good paint, and a proper paint gun, but the paintbooth was made in the middle of the workshop using scrap pieces of metal and tons of plastic sheets :lol: Not being able to get the temperature and humidity perfect is probably what caused the slight peel. The fact that I'm not a painter probably also helps a lot :lol: The paint layer is pretty thick though and it's not that bad, so I should be able to polish it out but I think I'll have to wait for the paint to harden a bit before that though.

Marx-7 10-12-12 09:03 AM


Originally Posted by John Huijben (Post 11252261)
Your right about the orange peel, I got a little bit of that going on. Probably because I don't have an actual proper paint booth. I just god some good paint, and a proper paint gun, but the paintbooth was made in the middle of the workshop using scrap pieces of metal and tons of plastic sheets :lol: Not being able to get the temperature and humidity perfect is probably what caused the slight peel. The fact that I'm not a painter probably also helps a lot :lol: The paint layer is pretty thick though and it's not that bad, so I should be able to polish it out but I think I'll have to wait for the paint to harden a bit before that though.

John, i had the same problem painting parts of my FB but when you carefully wetsand the parts with sandpaper of the highest grit you can find (1200 or higher) and after that polish it it should come out as smooth as a babies behind:)

btw, love your work and reminds me of my FC i regretfully sold a few years ago

ecto_cooler 10-12-12 10:56 AM

I'm not one to judge on paint, but I've picked up a lot of ideas over the years and I feel pretty confident I could come up with something decent given the right tools.

I will never have access to a true booth either, and I will be at the mercy of the environment when I shoot my car. I'm hoping the prep work and finishing will be enough to compensate for that. Marx is right, some wetsanding on the panels should bring that right out.

I'm really glad you went with white, and you picked a good code too.

I showed this thread to my brother, who is about to get his degree in mechanical engineering. I have always been mechanically inclined, he has the book smarts to explain the theory behind the stuff that interests me. So this thread definitely has us both very impressed.

John Huijben 10-20-12 12:08 PM

Spend last week painting small stuff like the trimmings, subframe, drive axles, and brackets and such. This week I started getting the inside of the car back together.

https://lh6.googleusercontent.com/-C...2/CIMG2562.JPG


Dashboard had to be notched to fit with the rollcage, but it works. Still need one of those center gauge pod's though, maybe I'll fab one up myself tomorrow :scratch:

Ryuske 10-20-12 02:08 PM

How do you even sit in it? Lol, between the roll cage and bucket seats, it looks like you'll have a broken tailbone every time you sit down xD

Stredrotor 10-20-12 06:46 PM

Just spent the last few days reading through this thread from start to finish and I must say it is a truly inspirational build. I wish I had the skills and the knowledge (and the access the the tools:egrin:) that you have. Look forward to seeing the completion of your build.

I don't know if I missed it in the thread but what transmission are you planning to use?

I was going to use the FC turbo box to begin with (mainly because it's cheap) but now I'm leaning towards a Tremac 5 speed and doing it properly first time. Green Brothers in New Zealand make a belhousing to convert to the rotary engine so that's easy for me.

Ozzie3o5 10-21-12 08:14 PM

I love the CAD work! Great Stuff, keep it up with this BOSS build


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