I never got into rc drag racing, seems awesome.I had so many spare parts laying about after upgrading most every part in Invader that my mind started thinking up a new project. I also wanted to build a prototype of my full custom nitro drag chassis. Invader used the top plate, but the bottom was a modified XTreme Racing chassis to accept using a Jato drivetrain. The new chassis would be Jato-Ready, and be a little lighter as I decided to go with 2mm thick CF instead of 3mm that XTreme uses. I decided this for several reasons: 1) To save a little weight. 2) With the CF top plate and posts, there is no flex of any kind in the front, and the rear will use a brace. 3) It takes less time to cut, so I can have it cut very slow and precisely, limiting the chance of ruining what are now becoming expensive stock materials.
"Hissed Off" will use the 67 Mustang body from Proline. I contemplated using a modern Mustang body(Bitty Design makes a great one, and there's a new promod one coming from Drive RC, as well as the Mach 22 promod body), but in the end I went with the classic, and it's such a great rendition of it.
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I had a number of the Proline hood scoops laying about, so I decided to use one for this. The car will be painted metallic red (same color I painted Angler Management), and I whipped up a logo a little while back when coming up with the idea for the car.
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I gathered up all my parts, and got ordering the parts I was missing (it wasn't much really, maybe 80 bucks worth, other than the receiver and receiver pack). I had already bought a set of beadlock rear wheels that are running belted Reactions that I kept as an "alternative" to my banded Hoosiers. (the banded Hoosiers balloon less, if anyone wonders).
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I just love this stage - parts all laid out!
This car will be using a small block (the old Invader drive train). As such, it'll be a little less "heavy duty" than Invader. The idea here is to make a car that is lighter and more suited to a small block. I will be designing and cutting my own custom wheelie bar as well. I have exactly the number of CF sheets I need to do this, so I was very, very conservative on the cut speeds. Both chassis plates are done in two pieces due to the limited size of the 3018 CNC router. So four plates are cut - and the average time is 3.5 hours each. The wheelie bar will take even longer, as it's got a lot of cuts.
I set up my router with my new little blower machine to blow the dust off the router and out into my yard. Maybe the graphite dust will make my grass grow better, lol.
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This setup worked really well as you can see the plate is super clean and free of dust. I got it running, went back in the house to do other stuff. Once all the holes were in, I put some screws in to hold pieces that would get cut free later in the process, and let it do it's thing for a couple of hours.
In the end, the plates came out perfect! (this is the upper front piece with the connecting bracket.
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I got to bolting stuff up after I cut the front lower plate, just to see how it all fit. The holes for the bulkheads were slightly off on the lower and upper plates, which I need to fix in my design. I was able to salvage both with a little hit from the Dremel. (phew). I assembled the front half of the car:
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Suspension and steering all fit and worked perfectly!
Next I will cut the rear sections (and hopefully no major tweaks necessary). Should have it rolling by next week some time.
I never got into rc drag racing, seems awesome.
May I ask why the heavy duty buggy front ends.
Why wouldn't a lighter T-Shaped front end holding old Associated style pan car C-Hub blocks work? Wouldn't that be much lighter?
The front ends on these drag cars seem overly built for drag racing.
I just figured if lightness equals speed, why hasn't anyone changed the front ends to lighter minimal front ends?
Legit question why don't people use pan car front ends that are much lighter and still strong? Why the heavy-duty buggy style front ends? Wheelie bars work, don't they, so you're not slamming the front end down to hard right?
Or are there rules that require certain things?
Yeah, the front ends are required by rule to have shocks, etc, and they do run much smoother than pan car style fronts.
Lighter is not necessarily faster. My fastest car is also my heaviest.
Blows my minds at how good you are at building the chassis and setting up the car. Great job!Couple of outside shots of the finished car, plus a comparison of the OG "concept" chassis vs the first prototype.
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Can't wait to cut the "final" version of the chassis for Invader. The OG chassis will go into a display case.