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Really fast Ford F150
Stickframe
#362
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Posted: Wednesday, January 15, 2020 - 08:46 AM UTC
Hello model builders,

I've jumped right into this one. It's a Ford F150 hill climb/street racer. I was going to do this for the race track group build but decided I wanted to go for it, so that's what I did.

The idea is based on this truck:







It's a 1977 F150 body on a race car chassis - the engine turns out 900 hp. It's evidently used for both drifting and hill climb competitions - I have no idea if it's been raced at Pike's Peak. It looks cool where it has been run:











The pics above are screen shots from a video showing it in use in China.

Yes - this truck caught my eye. Some of you might have seen the various off road race trucks I've built, which feature lots of body and suspension work, but those modifications are intended to maximize suspension/wheel travel while keeping the center of gravity low (yet high enough to run in open desert) and reducing weight.

The fast F150 clearly has lots of modifications to the same parts, except, there is practically no vertical suspension travel and the truck body sits very low to the ground.

Ok, on to the build - first up, the rear end, which in real life is independent, with an asymmetric differential, located on the right side. The driveshaft is a rod, and not a tube. I have no explanation for either. Mine too is asymmetric, using a 9" Ford rear end:





As you can see above, I set up a little template/jig to get the alignment/asymmetry correct. This module is fairly complicated. It's fixed to the chassis - via lower box frame and integration with the chassis/cage on top. In between it some complex geometry. All things considered, mine is close but not exact.







Piece of cake! happy sunny days the whole time! Haha! not quite - this was a real head scratcher to conceptualize and build.

Next up the engine with those twin turbos. This invited some big questions, like what exactly is going on there? how will I at least fake something that is reasonably convincing? and how can I: get the frame/chassis as low to the ground as I can, and keep those turbos as high as possible so they'll stick out above the hood?

Need to start somewhere, so, using odds and ends from various kits and the parts box, build an engine that looks about right and set into some chassis tubes:



Wow!! looks perfect.....then advance the chassis a bit more:



Looking great - just for fun, drop the body on and, discover those turbos are sitting well below the hood. Not perfect. Crap.

So, take the engine out, rework the oil pan - vertical, rather than horizontal (this is more of a visual than practical decision), raise the engine/transmission on their mounts and:



And, now the engine sits higher on the chassis, probably just over 1/4", which I know sounds small but it makes a difference.



As this is not a kit per se, it requires you to solve problems as you go, while trying to achieve the design. As you can see above, there's a lot going on up front. I'd like to have raised the engine some more, but that would create some weird looking geometry on the chassis and suspension. I mention this because while not functional suspension, if this is flimsy or not rational, just like a real car, it won't stay rigid.

A bit more progress on the cab, and front and rear ends solidly in place:



Meanwhile, I didn't forget about the challenges with the body. I've built highly modified truck bodies before, but the changes were about creating cavernous, streamlined spaces for very large diameter (37.5") off road tires. In this case, while bulging, the fenders are quite tight around the tire opening, have a flush/flat edge concentric to the tire, and are pretty curvy around the non-curvy F150 body. So, this is what I did:



Unlike the off road racer flares, which have lots of modifications to the fender walls, for this I focus on the fender opening and projected top line of the flare. I did some heavy cutting inside the well to fit the giant tires, then over cut that to allow for adding new fender material (like on the rear cowling of the 908/3). That's .25 dia rod, running along top, which servers as a seat and gluing surface for .10 card above:



I'll say pretty good - you see the green putty because I laminated several sheets to make the radial, flush fascia and you could see gaps - no more.

Then back to the chassis - this needs the cross members for a variety of reasons: the real car has a complex truss/web, and without this bracing, this would be one flimsy model - as the front and rear parts are heavy. Adding more detail to the front and styrene everywhere:





Along the way, lots and lots of dry fitting, and now, it's looking legit as a rolling chassis that sits flat:





Yes - I "needed" to actually make the driveline/transmission legit - there's a propeller shaft w/front and rear universals from the tranny to chain or gear drive (like a transfer case) then the drive "rod" also w/ u joints. As noted earlier, I have no idea why this is off-set on the real truck, or, why they use a rod and not tube for the driveshaft, but they do, so did I.

and how it sits:



and with the body sort of floating on the chassis and tires:






I'm pretty happy with some of the individual results and the build as a whole, but, those turbos still don't sit high enough @[email protected][email protected]! I will add more of something over the intake manifold - it has to sit above the hood. But the turbos, are what they are.

So, thanks for having a look - I'll keep cutting and adding.

Cheers

Nick











AussieReg
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Posted: Wednesday, January 15, 2020 - 09:56 AM UTC
Nick, I am speechless (well, almost)!

That is INSANE

Cheers, D
Cosimodo
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Posted: Wednesday, January 15, 2020 - 11:50 AM UTC
Bloody hell! That's amazing demonstration of scratch building and understanding of race car engineering Nick.

cheers
Michael
Dixon66
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Posted: Wednesday, January 15, 2020 - 01:41 PM UTC
OMG.
Joel_W
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Posted: Friday, January 17, 2020 - 09:47 AM UTC
Nick,
I decided to hold off posting till I re-read your build to date blog again. And once again while Damian is almost speechless, I am.

OMG!! plain and simple. Your build is at a level that I've rarely seen. It's complex, it's more then realistic, as it's basically a scaled copy of the real truck.

I followed most of what you've said, but I also got lost at times as well. The rear end and suspension is really something special especially with the offset driveline, as it the engine with the twin turbos. Not an easy thing to replicate by any means. I've seen way to many kits fall far short when trying to replicate those parts.

The chassis concept and construction not only looks great, but you've managed to also solve the rigidity problems. With the dry fit of the cab with those massive flared fenders, I'd say you're right on your game.

The entire concept is alien to me, but you more then know your way around that truck for sure.

These days I'm more of a OOB enhanced builder, and no where near your building level. But I sure still can appreciate what you've done, and the effort and skills it took to get there.

Joel
165thspc
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Posted: Saturday, January 18, 2020 - 04:28 AM UTC
Wonder why they chose the off-set right differential? With that lite weight rear construction the diff is the heaviest thing back there. Seems like they would want it in the middle for better road handling balance.

Looks to be a right hand drive vehicle so the right side off-set differential is not intended to balance the weight of the driver.

No clue on that off-set "chain drive' transfer case???? Looks like a 1 : 1 ratio device and not a step up or step down unit.

If this were NASCAR they might even want the differential off-set to the left????
AussieReg
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Posted: Wednesday, January 22, 2020 - 09:21 AM UTC
I posted this link in the "Strip, Track and Trail" thread a while back, for those who haven't seen it, strap in and HOLD ON!!

Cheers, D
RussellE
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Posted: Thursday, January 23, 2020 - 08:35 AM UTC
Holy moley, and wow!

Love watching these kit bash/scratch builds!

Great job so far Nick!
Stickframe
#362
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Posted: Wednesday, January 29, 2020 - 08:54 AM UTC
Hello fellow model builders,

I'm glad this odd build is well received! Honestly, I'm not much of drifting/street racing etc enthusiast - but I am an enthusiast of interesting high performance cars and am a confirmed truck nut, so this seems to be an ideal project.

Damian, Michael, and David - thanks for the enthusiasm! certainly helps when plodding along...adding more and more bits!

Joel, yes - you hit it on the head - the styrene tubing - as is, is pretty flimsy, but, if you make a truss, it can be pretty stable (like real tubing), but, you can't stop, if you miss a leg or two of the webbing, it won't stay rigid.

Michael - aha! I'm not surprised you chimed in, thanks - yes, chain or gear drive, my bet is it is 1:1 and no reduction etc and is just used to ensure perpendicular U-Joints - as to why the rearend is off-set? still no idea, even after the revelation I mention below.

Russell, thanks for dropping a note - to your point, the world of scratch and kitbash construction, you need to stick with the "so far so good attitude". As I'm basing this on Inet pictures and intuition, well, design build and keep doing it!

OK, on we go:

As a result of my parochial younger years...high school, I feel compelled to tell the truth! especially on important things, like model building! I found out this truck is all wheel drive. I decided to READ one of the stories about it and not just look at the pictures, well crap.

I came fairly close to converting my model from two to all wheel drive - "all you would need to do is...." yeah - no thanks - it could indeed be done - you might remember from the last post, where I converted the oil pan and made it taller. There's ample room for a front diff and shafts, and because I already made the transmission/driveshaft off-set gear box, I could attach said diff (yes, I looked up the modern configuration for Ford AWD rally cars - it's not that complex in terms of building a model) and then, like a message from above, a bold rush of "what on earth are you thinking??!!!" hit me like a tsunami! Get a grip man - lol - so -now you know the truth - and I'm still building as I started- in fact, almost done building:











Above, you can see progress on the chassis. I'm progressively adding elements. Almost all of the add-ons etc are junkbox recovery or scratch built, like the dual brake cylinder - just aluminum and styrene tubing and some wire.

I included the last picture just to compare - both Ford F150s, with around 900 hp - yet, one has 36" of vertical travel in the rear and 30" in the front - the off-road racer looks like the "Death Star" in comparison - ok, on to some body work:





Above, tried as I might, I just couldn't figure out how to get the turbos to stick out above the hood! As you can see - they already consist of resin parts from two different turbos, styrene, various types of metal rod an tubing - nope, I'll live with it as is. I was a bit more successful in creating the elevated, dual injector rack, which just peeks out above the hood.







I'm still adding bits and pieces, but this is getting close to going to the paint shop -

thanks for checking it out -

Nick




RussellE
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Posted: Thursday, January 30, 2020 - 08:58 AM UTC
AWD or RWD, gosh I don't think it detracts from the model at all Nick, and I reckon you've made the correct choice keeping it so!

Just amazed at what you've been able to create. No-one's gonna notice the turbos don't protrude above the bonnet. Mostly they're just gonna be in awe of what you've built, not just once, but twice (and probably more).

Can't wait to see some paint go on!

PS That black dune buggy looks like something Batman himself would be proud to get around in...
Joel_W
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Posted: Friday, January 31, 2020 - 02:07 AM UTC
Nick,
I just had to re-read from the start to where you are now. I'm more impressed now after the 3rd read as I focused in on certain aspects that I just skimmed over before.

Your scratch building/detailing, especially the suspension, engine, and drive train really sets your build apart from so many others I've seen in my modeling journeys. The main take away for me is that what you've built looks and has the feel of what the real truck looks like. Everything you've done seems to have a real purpose and is basically in scale, which the smaller the scale, the harder it is to accomplish that.

The body modifications really will be the icing on the "cake" for sure. And I'm really looking forward to how you deal with that complex paint scheme since the real life one must be a wrap.

Joel
Stickframe
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Posted: Monday, February 03, 2020 - 04:50 AM UTC
Hi Russell and Joel,

Thank for the positive words! I cooked up a scheme for realizing the various sponsor decals, and have a concept for painting. That said, I now find that I need to address some non-model building challenges, so I probably won’t be able to get back to this project for a while. So, happy model building and one day I hope to be back with my unconventional builds!

Happy model building,

Cheers
Nick
RussellE
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Posted: Monday, February 03, 2020 - 08:20 AM UTC
yes, please don't leave us waiting too long for closure on this one Nick
Joel_W
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Posted: Monday, February 03, 2020 - 09:14 AM UTC
Nick,
Sure do hope that all is well, and you've just got other more important things to do now.

Like Russell said, we're all looking forward to your return with the finished truck, and of course a new adventure in modeling.

Joel
AussieReg
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Posted: Monday, February 03, 2020 - 10:35 AM UTC

Quoted Text

I now find that I need to address some non-model building challenges, so I probably won’t be able to get back to this project for a while. So, happy model building and one day I hope to be back with my unconventional builds!



We will be here when you get back Nick, keenly looking forward to the next chapter!

Stay safe and well.

Cheers, D
Stickframe
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Posted: Thursday, March 19, 2020 - 07:22 AM UTC
Hello guys,

Well, a guy like me now finds himself "quarantined" at home - along will most of his neighbors...so, what's a guy to do? Call family and friends make sure thy're ok, fret for a day or two, restock household goods (food!), take a few walks, watch some TV, clean up the kitchen, deal with some paperwork, then back to the workbench he goes.

Thankfully, here at my junkatorium I have some glue, paint, materials and kits, etc, so - back to the fast F150. I made some big progress on the chassis, which still needs more paint, some hoses etc, detailing the dash board, and seat - but, here's the rest:



Well,the server is moving very slowly, but as the guy has some time, well, that's fine - I'll wait....















So, it's taken about 10 minutes to upload, so, here I sit - one more image to go. Hope you all are staying safe and healthy wherever you may be. It's weird walking around my town, which is near San Francisco. The streets are really quiet - except, around noon and then about 6PM - we're all out getting a walk! some exercise and fresh air - both useful in times like the present. In fact, there are lot of people out walking along our trail - it was once a rail corridor, now, a linear urban park - parents with kids, bike riders ranging from the folks with fancy bike team suits, regular folks, the occasional weird guy riding around with a loud stereo, people waling dogs, just folks like me - all enjoying the outside. Not to worry, the path is wide, it's always breezy, and everyone politely maintains their "social distancing" protocol. Frankly, I'm glad people seem to be taking this seriously - OK, I'll try again:



And that's generally where it sits today - I'm painting the body now - just letting it dry then on to clear coat. As to the original paint scheme, for a variety of reasons I'm doing something a bit different - which is too bad, as I figured out a way to do the decals and stripes, oh well, maybe another day -

OK friends - stay healthy and safe -

Cheers
Nick
Joel_W
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Posted: Thursday, March 19, 2020 - 09:07 AM UTC
Nick,
Welcome back.

Great progress on your Turbo charged F150. It's really quite impressive. Looking forward to seeing the body on it.

Joel
AussieReg
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Posted: Thursday, March 19, 2020 - 10:18 AM UTC
Beautiful work Nick, just so much going on there to look at!

As with Joel, I'm looking forward to seeing that body work take the next steps.

Cheers, D
Cosimodo
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Posted: Thursday, March 19, 2020 - 11:55 AM UTC
Great to see an update on the truck!

Stay safe.

cheers
Michael
Dixon66
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Posted: Thursday, March 19, 2020 - 12:18 PM UTC
Glad you are OK Nick. The F-150 is looking great.

My son was showing one of the KB videos to his girlfriend last week. The truck was featured in it and I showed him your progress to date, he was wowed to say the least.
Szmann
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Posted: Thursday, March 19, 2020 - 01:03 PM UTC
Nick, it took to me as long to can see the picture that you needed to upload but it worth it.
Very nice scratch-built and my favorite is the gas tank. It really looks good to me. Simple but effective.

Cheers!
Gabriel
RussellE
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Posted: Thursday, March 19, 2020 - 09:48 PM UTC
glue, paint, materiel and kits! At times like these the only other thing to help pass the time is

The results are fantastic Nick! Looking forward to seeing what you've got planned for the paint work!

Best health to everyone!
Stickframe
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Posted: Thursday, March 26, 2020 - 08:25 AM UTC
Hello gents,

Thanks for dropping by. This has been a fun project. For a variety of reasons, not having to do with model building, I couldn't finish the body of this truck as I had hoped, but relative to all that is going on around us, that's not a big deal. This did though require me to develop a new paint scheme. I like the original black so I kept that, and used a different accent color. This combo did not look good with the copper colored rims, so they got changed to something else.

Like many of you I suppose, this guy is still stuck at home and is following the guidance about "social separation" - not much fun, which is not much of a price to pay for trying to stay well.

Today started sunny, so I ventured outdoors and took some pics of the Ford:









Gabriel, I'm glad the gas tank caught your eye, I liked it too - this is as close to the real truck as I could get - it seems to have three lines running to the pump/filters, and a fourth that I'm guessing is the breather.



I usually take outdoor photos of the rolling chassis, but not this time. I did add colors etc, in addition to what I posted before, even seatbelt harness, but decided not to overdo this -you get a sense of what'g going on in the cab. I always put lots of work into the dashboard - but, it's always really hard to see!! hmmm...maybe this guy will dedicate less time to them in the future?..nah, I'll keep doing it.





As always, Vallejo model air with Alclad Aqua Gloss II clear coat. I'll bet a matte finish would have looked better.







The engine worked out fine - for that alone I probably should taken some pics of the rolling chassis.

Believe it or not the paint on the body is relatively free of orange peel etc in real life, but under the sun, the clearcoat seems to take on an almost metallic finish over the black base - weird.

OK gents, another one to the in house dust collection center, and on to other things.

Stay well gents,

Nick
Joel_W
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Posted: Thursday, March 26, 2020 - 09:03 AM UTC
Nick,
Congratulations on a incredible scratch built Ford Truck, the likes of which I've never seen before. Your detailing only adds a whole new level to what has to be one for the books.

Joel

AussieReg
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Posted: Thursday, March 26, 2020 - 10:09 AM UTC
Nick, that is one evil looking "Effie"!

Superb work as always and an excellent result. I have just spent at least 20 minutes taking in all of the detail you have put in. The braided lines and pipework (front and rear), the fuel tank details, the highlight paints around the tube frame, the support struts on the tail end spoiler, the gear shifts and linkages, it's all just SO GOOD!

Stay safe and take care.

Cheers, D