OpenRC 1:10 4WD Touring RC Car - AL.edition

thingiverse

<h1>Description:</h1> <p>This is a remix of Daniel Norée's (barspin) <a href="https://www.thingiverse.com/thing:83024/"> OpenRC 1:10 4WD Touring Car</a> with adjustments to fit aftermarket belts and metal differentials.</p> <p><a href="http://www.youtube.com/watch?v=IMys28n6f70/">Video V1 </a> first version</p> <p><a href="http://www.youtube.com/watch?v=hH1WBURHl1Q/">Video V2</a> second version</p> <p><a href="http://www.youtube.com/watch?v=rzpA-Wr-cjg/">Assembly</a> latest version</p> <h1>The following things were changed:</h1> * split the chassis in two pieces for smaller printbeds (220x220mm) + snap fit with groove and spring * merged the walls to one piece (necessary when the chassis is split) * moved the mounts of the motor spur gear in the walls to fit the belts * widend the hole for the servo about 2mm * added a diffuser (optional part) * added a motorholder * redesigned the shock towers to fit 55/62mm shocks * added a gyromount (optional part) * shortened the upper diff holder * redesigned: wall_left and wall_right to fit 10x5x4 bearings and you can use the bought metal pulley without changing the spur gear, added holes for the gyro * modified: steering_block, rear c-hub to fit 10x5x4 bearings * modified: bearing_holder to make a better fit for the 15x10x4 bearings * you only need two types of bearings now! * added a BOM (see below) <h1>Printed parts you need from original design:</h1> * 1x Steering_Right * 1x Steering_Left * 4x Wheel_Spacer * 1x Steering_Center_Piece * 2x Steering_Pin * 2x Rear_Turnbuckle (or you buy some: hole distance mid to mid: 40mm) * 2x Wishbone_-_Front * 2x Front_Turnbuckle (or you buy some: hole distance mid to mid: 35mm) * 1x Servo_Pin * 1x Shock_Tower_Rear (When you use 62mm shocks use the shorter one from my files. It's adjustable!) * 1x Servo Pusher * 2x Back_Pin_Holder * 1x Shock_Tower_Front (When you use 55mm shocks use the shorter one from my files) * 1x Bumper (I recommend TPU for printing) * 1x Diff_Holder_Rear_Lower * 2x Wishbone_Rear * 1x Diff_Holder_Front_Lower * 2x C-Hub optional: * 1x Electronic_Casing (optional) * 4x Rim (or you buy some) * 4x Tire (or you buy some) <h1>Printed parts you need from this design:</h1> * 1x wall_left (print with support) * 1x wall_right (print with support) * 1x chassisA (if you have a larger printbed use the original chassis) * 1x chassisB * 2x diff_holder_upper_short (print with support) * 2x steering_block (print with support) * 4x bearing_holder (print with support) * 2x rear c-hub * 1x motorholder optional: * 1x diffuser (optional) * 1x shock_tower_front_short or shock_tower front_short2(for: shorter shocks) * 1x shock_tower_rear_short (for: shorter shocks) * 1x gyromount <h1>Belts:</h1> * 1x 186T belt (3mm) * 1x 519T belt (3mm) I bought them as a belt pack with an additional 138T belt. Search the internet for: _Belt Pack 138T & 519T & 186T for 1/10 3Racing SAKURA D3 CS Drift Racing Car_ <a href="https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR0.TRC0.A0.H0.XBelt+Pack+138T+%26+519T+%26+186T+for+1%2F10+3Racing+SAKURA+D3+CS+Drift+Racing+Car.TRS1&_nkw=Belt+Pack+138T+%26+519T+%26+186T+for+1%2F10+3Racing+SAKURA+D3+CS+Drift+Racing+Car&_sacat=0">Ebay</a> <h1>Bearings:</h1> * 4x 15x10x4 bearing (for: bearing_holder) * 10x 10x5x4 bearing (for: steering_block, rear c-hub, walls) <h1>Metal parts/additional parts:</h1> The internal ratio is 1.9. <a href="http://www.3racing.hk/manuals/gear%20ratio_p1.pdf">Here</a> you can calculate the final drive ratio (FDR) depending on you spur gear (here 80T) and motor pinion. * 2x Metal Differential: Search the internet for: _Metal 38T Gear Differential Set for Sakura Ultimate XI S XIS Sport Touring Car_ <a href="https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=Metal+38T+Gear+Differential+Set+for+Sakura+Ultimate+XI+S+XIS+Sport+Touring+Car&_sacat=0">Ebay</a> * 1x Motor gear with belt adaption on both sides: Search the internet for: _Metal Pulley Component 20T for SAKURA S XI XIS Ultimate 1/10 Drift Racing Car_ <a href="https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=Metal+Pulley+Component+20T+for+SAKURA+S+XI+XIS+Ultimate+1%2F10+Drift+Racing+Car&_sacat=0&LH_TitleDesc=0&_osacat=0&_odkw=Metal+38T+Gear+Differential+Set+for+Sakura+Ultimate+XI+S+XIS+Sport+Touring+Car">Ebay</a> * 1x Motor pinion 48dp/48p. 17T-28T depending on your motor. I use a 22T motor pinion (FDR is 6.91) * 4x 3x45mm pin (for: wishbones inside (front and rear): Cut some 3mm nails to the correct length * 4x 2x10mm pin (for: Wheel_Spacer): Cut some 2mm nails to the correct length * 4x 1.5x25mm pin (for: Wishbones outside): Cut some 1.5mm nails to the correct length * 4x 44mm CVD; total length 75mm: Search the internet for: _Universal Swing Shaft CVD 44mm_ or _Swing Shaft D44mm_ <a href="https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2542782.m570.l1313.TR0.TRC0.A0.H0.XSwing+Shaft+D44mm.TRS1&_nkw=Swing+Shaft+D44mm&_sacat=0">Ebay</a> * shocks: 55mm for the front and 62mm for the rear. <h1>Screws/nuts/shims:</h1> * 2x M3x8mm button head screw * 8x M3x10mm button head screw * 2x M3x8mm countersunk screw * 28x M3x10mm countersunk screw * 18x M3x12mm countersunk screw * 14x M3x16mm countersunk screw (when you use the printed tunbuckles you need less) * 3x M3x6mm ball head screw 4.8mm head / 4.8mm ball stud; total length 13mm (When you use the printed turnbuckles you need 8 more screws) * 2x M3x5mm ball head screw 4.8mm head / 4.8mm ball stud; total length 12mm * 10+x 3mm shim * 2x 3x2mm shim * 2x 5mm shim * 1x shaft for the metal pulley: cut a 5mm rod * 2x 4.5mm clip * 5x 3x8mm grub screw * 2x ball mounts for rear shock * 18x M3 nut * 4x M4 lock nut Choose screws with the same head. I prefer Hex/Allen or Torx! <h1>Electronics:</h1> * ESC (Electronic Speed Controller): I use a Hobbywing X-CAR 80A ESC * motor: I use a sensored Ruddog RP540 17.5T motor (fixed timing) * receiver: I started with a Hobbyking HK GT2R, meanwhile I use a Sanwa RX-380. * servo: Does not have to be a low-profile servo. I use a Turnigy DRFT-303 1/10 D-Spec Servo and an Amewi Digital Servo 6208MG * remote: I started with a Hobbyking GT2B, meanwhile I use a Sanwa MT-44 * rims and tires (if you don't print them) Hex12, width 24 or 26mm (depending on your body shell) * battery: I use a Turnigy 2s 4000mAh and 5200mAh Hardcase Lipo * connectors ESC to battery: XT60 optional: * gyro: sometimes I use an Onisiki gyro (set to ~30) <h1>Things to do:</h1> * still needs some test drives and tweaking. * need to update the pictures * I think it is done, but I will leave it as a WIP until I'm sure there are no mistakes in the description and no file problems <h1>Changelog:</h1> * 7/1/19: upload * 11/1/19: updated BOM * 12/1/19: updated the wrong version of "wall_left" * 13/1/19: updated both walls * 17/1/19: changed the motor pinion to 25T: 20T was a little bit slow with the 21.5T motor * 17/1/19: added a test drive video (poor quality) * 19/1/19: switched from 21.5T motor to a 17.5T motor * 19/1/19: switched back to a 20T motor pinion. * 19/1/19 removed the old video and added a new one * 24/1/19: added some links for parts * 25/1/19: added new pictures with the final wheels and tires * 2/2/19: added two shorter front and one shorter rear shock tower for short (55mm/60mm) dampers/shocks * 8/2/19: redesigned the shock_tower_front from scratch and deleted the old files * 9/2/19: redesigned the shock_tower_rear from scratch and deleted the old file. The shock/damper position is adjustable. Ride height is ok for me now. * 21/2/19: edited the chassis with a snap fit (groove and spring) + hole for the motorholder and deleted the old files * 21/2/19: redesigned and added a new motorholder, this one can be moved now (2 screws). Deleted the old file * 21/2/19: updated the walls (there were some artefacts from merging) * 21/2/19: added a new diffuser and deleted the old one * 27/2/19: added new pictures with the latest prints (magnet mounts are not yet included in the files) * 5/3/2019: added internal ratio and a link to calculate the final drive ratio * 16/3/2019: added a gyromount (not yet in the pictures) there are no holes in the walls. You have to drill them yourself, so you can choose your preferred gyro position. * 18/03/2019: switched from a 20T motor pinion to a 30T one. * 1/4/2019: added a second video with the latest changes. * 5/6/2019: updated pictures * 5/6/2019: added: diff_holder_upper_short, bearing_holder, rear c-hub, steering_block * 5/6/2019: updated: diffuser, wall_left, wall_right * 5/6/2019: updated BOM * 5/6/2019: Added assembly video * 20/6/2019: updated BOM (electronics, motor pinion, FDR) * 19/1/2020: added shock_tower_front_short2 its not as as short as shock_tower_front_short __Thank you Daniel Norée for this awesome design! Happy printing, driving, crashing and repairing!__