Flat Rail Chassis F350 2.2 Wraith Build 6 Attachment(s) I recently finished building my flat rail 2.2 wraith. My first ground up build. I'm pleased with it's performance so far, so I'm comfortable sharing! Parts List: BP Customs Gen 5 (Wraith 2.2) steel chassis. KYX AR60 metal axles Incision stainless links 110mm Desert Lizard front shocks 120mm Desert Lizard rear shocks Amazon aluminum Wraith skid Vanquish 3 gear trans Vanquish dig Incision SCX10 II driveshafts Mamba X esc Castle 2850kv 1406 motor w/ 9t pinion Protek 370tbl steering servo Vanquish servo-on-axle mount Supershafty SOA servo armor Protek 160ss low profile dig servo Tattu 5200 4s batteries Gearhead 2.2 EZ-loc delrin beadlocks Pit Bull Rock Beast II Tires - Alien Snot compound Pitbull dual stage foams Tamiya F350 cab/windows/grill The body was supposed to be temporary for testing, but it's grown on me. I even added the grill. I got all the tools/materials to start experimenting with brazing up a front bumper. If that goes well, I'll move onto some kind of rear cage/flatbed. I don't care too much about what it looks like, though. I calmed down the 2850kv motor on 4s as far as I could with a 9t pinion. It crawls slow and smooth, but it's got plenty of wheel speed to bash around a bit. It's super fun to drive, but it's eaten a couple front axle shafts while giving it hell. As far as suspension, It's almost full droop. I have the longer desert lizard springs under the plunger of the shock (think pen spring mod on steroids). It stays low and climbs/sidehills like a champ, even though it's over 9lbs with the battery. As soon as a wheel finds uneven ground, there's enough leverage to compress the springs and it's got plenty of articulation when it needs it. Here's a couple videos a friend took a few weeks ago on it's first time out (assuming I correctly figured out how to upload to YouTube this evening). I didn't take many pictures of the progress, but I'll attach a few of what I have. <iframe width="560" height="315" src="https://www.youtube.com/embed/XRECPhlLXso" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> <iframe width="560" height="315" src="https://www.youtube.com/embed/jT0yesXpZos" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> |
Re: Flat Rail Chassis F350 2.2 Wraith Build Damn, I am LOVIN' that thing! You're making me feel bad, still have my Xtreme Racing flat-rail carbon fiber Bomber chassis waiting for me to bolt on my SSD AR60 Diamond axles and Hot Racing aluminum skid and trans housing... The body I have for it it HUGE, tho' - I think it's big enough to actually tuck the tires all the way under the fenders under full suspension compression. More like a 1/8th scale truck. Again - MAJOR props on your unique take on this - VERY aggressive stance! "thumbsup" |
Re: Flat Rail Chassis F350 2.2 Wraith Build Quote:
I think the ssd front housing is in my near future if I can't adjust my driving style to stop breaking axle shafts. These KYX axles are identical to ar60's, but they use ar44 differentials, so I can only use KYX shafts. I learned that after ordering underdrive ar60 gears for the rear. They make hardened steel shafts which take quite a bit of abuse, but it takes 3 weeks to get replacements from china. If I want to use the big incision shafts, which I already bought and can't use, I'm gonna have to get a real ar60 housing. The rear has held up fine so far. I'm looking forward to following your flat rail bomber build when you get started! |
Re: Flat Rail Chassis F350 2.2 Wraith Build My friend just sent me this video from last weekend way out in the Los padres national forest. Doesn't really do it justice, but the pine trees help with reference. That was a tough climb. Only one guy could crawl it with his comp rig. I was too heavy to crawl it, but finally made it after at least 10 tries with lots of throttle. Each previous attempt resulted in tumbling all the way down the rock face. No damage besides rock rash on the hardbody. <iframe width="560" height="315" src="https://www.youtube.com/embed/_ClAH-BybGQ" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> |
Re: Flat Rail Chassis F350 2.2 Wraith Build 1 Attachment(s) Looks like a solid performer! Below is a shot from the manufacturer of the Xtreme Racing chassis with stock RR10 parts bolted to it: https://www.xtremercracing.com/image...0X11863_4_.jpg I've had this project on the back burner for a few years now, at some point I really need to get off my lazy ass. I'll probably run a transverse battery tray up front, same basic layout as yours. I have a full set of oversized stainless links and trailing arms, it should be a pretty low COG build, except the body will be heavy because it's so big. My other Bomber is a hefty pig, but has basically every part replaced with upgrades except for the cage and skid: |
Re: Flat Rail Chassis F350 2.2 Wraith Build Nice! What's the body? Or are you keeping it a secret?... haha. |
Re: Flat Rail Chassis F350 2.2 Wraith Build I'd really like to see this thing in person next time you're up my way. I've been procrastinating a chassis swap (BPC Bomber... or more recently considering using my stock Capra chassis) on my Wraith for a couple years now as I just don't know if there would truly be a tangible difference in performance, everything but the chassis' being equal. Frame rails and a short course body seems like it'd be fun just because it'd be huge and different, but then throw a small/narrow body on for the days when you want to hit the stupid lines. Your's turned out pretty sweet, kudos for getting after it! |
Re: Flat Rail Chassis F350 2.2 Wraith Build Quote:
I don't have any plans to head north right away, but when I do I'll let you know. I'll definitely let you take it for a spin through your rock garden! |
Re: Flat Rail Chassis F350 2.2 Wraith Build Quote:
https://cdn.shptrn.com/media/mfg/137...jpg?1519447312 |
Re: Flat Rail Chassis F350 2.2 Wraith Build Nice! I'm using flush hubs to suck the wheels in for as narrow width as possible. Outside of tire to outside of tire is right at 12 inches. If you do the same, you might be able to tuck the tires in the wheel wells during flex with minimal trimming. |
Re: Flat Rail Chassis F350 2.2 Wraith Build Thanks! Yeah, stock Bomber width is only 11", and I have a selection of 2.2" wheels and tires to try whenever I get around to it... |
Re: Flat Rail Chassis F350 2.2 Wraith Build 1 Attachment(s) Hopefully Vanquish axles will fix my axle snapping issues! Picked up a barely used set for much cheaper than building my own. The differential is gigantic and I hate the red parts, but the drivetrain is now all vanquish (except for a temporary ssd rear driveshaft). Time to go try to break stuff. |
Re: Flat Rail Chassis F350 2.2 Wraith Build Mmm... Nice and BURLY! |
Re: Flat Rail Chassis F350 2.2 Wraith Build Quote:
i havent been out there in 20 years i spent alot of time out there in the 80s and 90s we hung out at the end of the road by a creek at some point in time they made a campground out of it and put in toilets and picknick tables now they call it nira campground it was a huge party spot for the ucsb kids cause it is so far outhere the cops never came out and it was a 3 hour drive to the neerest phone so its not like other people camping were gona call on you lol https://goo.gl/maps/urQd1dkAC8S7EGy16 |
Re: Flat Rail Chassis F350 2.2 Wraith Build 3 Attachment(s) I pinched/cropped the rear of the chassis this morning, and added light bars (rock lights) for Proline by the Fire tonight! I think I like it. Still working on a plan to cover up my electronics... haha. |
Re: Flat Rail Chassis F350 2.2 Wraith Build I really like how the pinched rails turned out, whoever thought of that is a genious ;-) Seriously though, since BPC discontinued their Bomber chassis (with moveable shock towers and chassis narrowed to 70mm after the skid) this might be the next best thing for those of us still stubborn enough to run a ginormous Wraith or Bomber skid. I don't think my carbon fiber chassis is going to have any advantage over your new setup, and mine definitely feels more fragile. Have fun at PLBTF and if you run into the other 805 RC Crawler guys (I know Eddie will be there), tell them I said hey! |
Re: Flat Rail Chassis F350 2.2 Wraith Build 4 Attachment(s) This truck has been way too reliable since I put that vanquish front end in it... Time to start breaking stuff again! Swapping in a 2400kv 1415 (70mm) motor. I had to cut off the rear upper link mounts, and make a 1/8" trans spacer to clear the lower link under the motor. The uppers are mounted in single shear straight to the chassis rails. Not as strong as I'd like, but it'll work. I ordered an RS100 micro servo from NSDRC and a Dig Micro Servo Mount from Small-Time Hobbies. That should get the dig working again, since there's a long ass motor where the dig servo should be. I added some IERC strength/bling to the pinched rear while I was at it. |
Re: Flat Rail Chassis F350 2.2 Wraith Build Let’s see some updates homie! [emoji1363] Sent from my iPhone using Tapatalk |
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