MakerBot Botmobile Dune Buggy 2013 User manual

M A K E R B O T
Botmobile Dune Buggy 2013
Assembly Manual

Table of Contents
Tools & Part List ....................................................................... 1
Tools & Consumables .............................................................. 1
RC Components ....................................................................... 2
Printing the parts ...................................................................... 5
Print Settings ............................................................................ 5
Assembly ................................................................................. 8
Steering assembly .................................................................... 8
Gearbo & Rear A le ............................................................. 11
Building the chassis of the Buggy ........................................... 16
Final assembly and RC installation ........................................ 22
E perimental Stuff .................................................................. 26
by Eric Weber
Thingiverse URL: http://www.thingiverse.com/thing:114784
Revision 4
13/7/ 013

B O T M O B I L E
1
Tools & Part List
ollowing tools and components are required to fully assemble the Makerbot
Botmobile 2013. I ha e indicated the components which I ha e personally
tested with this design. Although I can’t guarantee it the other ariants listed
should work based on their specifications. Please lea e a comment on the
Thingi erse model page if you successfully tested other ariants so I can add them to
the list below for the benefit of all.
Tools & Consumables
Following tools & consumables are required to finish the Botmobile
• Sharp hobby knife
• 3mm Drill
• 2.5mm Drill
• CA Glue
• Metric hex key/Allen keys of 2 and 2.5mm
• Double sided Tape
• Zip ties
• ABS/PLA suitable grease (e.g. Super Lube)
• 1-2x JST Female 2 pin connector
(source:http://www.hobbyking.com/hobbyking/store/__9631__JST_Fe
male_2_pin_connector_set_10pcs_set_.html )
• Screws:
• 1x M3x10 Cap Hexagon Socket Screw
• 4x M3x25 Cap Hexagon Socket Screw
• 1x M3x30 Cap Hexagon Socket Screw
• 2x M3x4 Button Hexagon Socket Screw (brushless ersion only)
• 1x M3x7 Button Hexagon Socket Screw
• 1x M3x15 Button Hexagon Socket Screw
Chapter
1
F

B O T M O B I L E
2
RC Components
Following is a list of suggested (and mostly tested) components which will work with
the Makerbot Botmobile 2013. Tested components are indicted with a tick.
RC Transmitter & Receiver
(cheap option in case you do not yet ha e a surface RC system)
• HobbyKing HK-GT2B 3CH 2.4GHz Transmitter and Recei er
w/Rechargeable Li-ion Battery
(source:http://www.hobbyking.com/hobbyking/store/__31671__HobbyKin
g_HK_GT2B_3CH_2_4GHz_Transmitter_and_Recei er_w_Rechargable_Li
_ion_Battery.html )
RC Receiver
(For those who already own a Transmitter)
 SR201 2Ch DSM Sport Surface Rx - Coated by Spektrum
(source:http://www.horizonhobby.com/products/sr201-2ch-dsm-sport-
surface-rx-coated-SPMSR201 or http://radiocontrol-sports.com/radio-
systems/i-recei er-surface/sr201-2-ch-dsm-sport-surface-rx-coated.html )
9gram Servo
 HXT900 9g / 1.6kg / .12sec Micro Ser o
(source:http://www.hobbyking.com/hobbyking/store/__662__HXT900_9g
_1_6kg_12sec_Micro_Ser o.html )
Option 1: Brushmotor
(Ensure that you print the parts optimized for the brushmotor configuration -
BuggyInterior Brush.stl & GearboxBrushmotor_supports.stl)
 Motor: GWS 280 Motor Set (GW/EDP-150)
(source: Ebay and arious other online shops – search for the item code
GW/EDP-150, example: http://shop.rotor.com.sg/show-
detail.asp?prodid={A78F0DCF-B85C-457E-86C0-
6CA1B81FA90D}&pn=1#.UdrWaPml4Z8 )
 ESC: HobbyKing X-Car 45A Brushed Car ESC
(source:http://www.hobbyking.com/hobbyking/store/__32025__HobbyKin
g_X_Car_45A_Brushed_Car_ESC.html )

B O T M O B I L E
3
Option 2: Brushlessmotor
(Ensure that you print the parts optimized for the brushlessmotor configuration -
BuggyInterior Brushless.stl & GearboxBrushlessmotor_supports.stl)
 Motor: S2445-3200 Brushless Inrunner (3200k ) (14T)
(source:http://www.hobbyking.com/hobbyking/store/__15185__S2445_320
0_Brushless_Inrunner_3200k _14T_.html )
 ESC: Turnigy TrackStar 18A 1/18th Scale Brushless Car ESC
(source:http://www.hobbyking.com/hobbyking/store/__14630__Turnigy_T
rackStar_18A_1_18th_Scale_Brushless_Car_ESC.html )
 Pinion ear: Pinion Gear 3mm/0.5M 10T (1pc)
(source:http://www.hobbyking.com/hobbyking/store/__11204__Pinion_Ge
ar_3mm_0_5M_10T_1pc_.html )
LiPo Battery
(A LiPo Battery Charger and Balancer is required to charge this type of battery. Do
NOT attempt to charge it with a normal charger as the battery will explode).
Packs with the following dimension will fit the car: 70 x 35 x 13mm
 Turnigy 1000mAh 2S 20C Lipo Pack
(source:http://www.hobbyking.com/hobbyking/store/uh_ iewItem.asp?idPr
oduct=9170 )
• reat Planes LiPo 2S 7.4V 1000mAh Novus 200 FP
(source: http://www3.towerhobbies.com/cgi-
bin/wti0001p?&I=LXBPAW&P=7 )
Ball Bearings
(2x standard Skateboard 608 type - 8x22x7 - ball bearings are required)
 2x Ball Bearing (22x7x8mm) - 1/5 4WD Big Monster
(source: http://www3.towerhobbies.com/cgi-
bin/wti0001p?&I=LXFX65&P=7 )
• 2x 608RS 8x22x7 Bearing
(source: http://www3.towerhobbies.com/cgi-
bin/wti0001p?&I=LXFX65&P=7 )

B O T M O B I L E
4
Tires
(The Botmobile requires 4 rubber tires for the printed wheels)
 2x Thunder Tiger Fire Blade Tire, 26mm (PD9158)
(source: http://www3.towerhobbies.com/cgi-
bin/WTI0001P?I=LXATAV&P=8 or http://www.amazon.com/Thunder-
Tiger-PD9158-Blade-Tires/dp/B003DKQRZQ/ref=cm_cr_pr_product_top
)
• 2x 1:10 Scale Rubber Touring Car Tires w/Tread 26mm - Medium
Compound (2pcs)
(source:http://www.hobbyking.com/hobbyking/store/uh_ iewItem.asp?idPr
oduct=23292 )
OPTIONAL
(Connectors you might require for your charging leads/ESC/Motor)
 JST Female 2 pin connect
(source:http://www.hobbyking.com/hobbyking/store/__9631__JST_Female
_2_pin_connector_set_10pcs_set_.html )
 JST Male 2 pin connector
(source:http://www.hobbyking.com/hobbyking/store/__9630__JST_Male_2
_pin_connector_set_10pcs_set_.html )

B O T M O B I L E
5
Printing the parts
hen I printed the 2 prototypes after modifying the Makerbot original plans
I used exclusi ely ABS material only. Although the Botmobile should print
fine in PLA, I can’t guarantee that the gears will last gi en the friction and
resulting heat generated.
The Botmobile 2013 comes in 2 ersions. The brush motor ersion for normal 280
size brush motors such as the suggested GWS motor and the brushless motor ariant
which will work with 280 size BL motors and controllers such as the HobbyKing types
in the source list. Please print the correct Buggy interior (to fit the controller switch)
and gear box motor mount (BL and brush motor ha e different mounting hole
positions and sizes) depending on the ariant you select.
Thingi erse download Link: http://www.thingi erse.com/thing:114784
Print Settings
The grouping into color 1 and 2 below is a suggestion. Mix and match as you like.
I printed all parts with 0.2mm layer height for the prototype.
Color Set 1
(Dri e train, steering and seats)
• Axle&Bearing_Clips.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 80mm/s
• AxleGear.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 40mm/s
Chapter
2
W

B O T M O B I L E
6
• GearboxShell.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 80mm/s
• Gears.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 40mm/s
• Steering.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 80mm/s
• Wheels.stl
Print with:
o 10% infill
o 3 shells
o 80mm/s
o Print 2x
Option 1:
• BuggyInterior Brush.stl (Brushmotor Option)
Print with:
o 10% infill
o 3 shells
o 80mm/s
• GearboxBrushmotor_supports.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 80mm/s
o Enable supports

B O T M O B I L E
7
Option 2:
• BuggyInterior Brushless.stl (Brushlessmotor Option)
Print with:
o 10% infill
o 3 shells
o 80mm/s
• GearboxBrushlessmotor_supports.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 80mm/s
o Enable supports
Color Set 2
(Body, Windshield and RX brackets)
• BuggyBack.stl
Print with:
o 10% infill
o 3 shells
o 80mm/s
• BuggyFront.stl
Print with:
o 10% infill
o 3 shells
o 80mm/s
• Add_RX_Brackets.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 80mm/s
• WindShield.stl
Print with:
o 100% infill
o no additional shells = 1 shell
o 40mm/s

B O T M O B I L E
8
Assembly
nce all parts are printed and all components are a ailable, we can put the
Botmobile 2013 Dune Buggy together and take it for a spin.
Follow the picture guide below and also consult the original Makerbot
Botmobile assembly instructions at:
http://www.makerbot.com/support/projects/botmobile/ for additional information
if required.
Steering assembly
Following parts are required to complete the steering assembly:
- All parts from the steering.stl file printed as per description in chapter 2
- 9gram ser o with straight ser o arm and smallest screw
Chapter
3
O