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Stinger3D Sp400 pylon racer

£8.57

Inclusive All Taxes

Seller
L3D
0

Description

3D MODEL DESCRIPTION

A 3D printed version of the famous Stinger400 created some 20 years ago by S. Sobayakin.
You can print and fly this ultimate pylon racer for under 250g. Choose between a small out-runner or an in-runner setup.
With a 60w 1806, you get a nice little sport plane. On a low cost 175w at 250g, you get a blistering little bugger and still a nice and easy landing.
Use a pair of 3mm bamboo skewers for spars or carbon rods for a high performance setup.
Included with this "kit”:
• Factory files for Simplify3D
• STL files for all components
• Assembly manual and user guide
UPDATES:
2021-08-02: Added support for QM2804 out-runner on 3S and 4.75x4.75 prop, including spinner. Fast!
2022-02-20: Updated start scripts and now all parts fit into a limited printer volume.

FLIGHT VIDEO:

60w version: https://youtu.be/wvbUDX2DpUU
175w version: https://youtu.be/9HfzgmVBcSo

Print time: 30hrs
Print weight: 110g
RTF AUW: 215g-235g with gear listed below installed.

REQUIRED COMPONENTS:
X1 1806 2300Kv out-runner Motor (or similar) / BL2040 3900Kv in-runner
X1 20AMP ESC
X1 900mAh-1300MAH 2S LIPO (or similar), 59g
X1 4ch+ Micro Receiver
X3 3mm Bamboo Skewers / 3mm Carbon Rods
CA Hinge Sheet or X8 Micro Hinges
Velcro (sticky back)
Some 1mm music wire for pushrods.
X2 M2.5 screws to attach the 2040 in-runner
For a 2 servos wing:
X3 3.7g Micro Servo
For 1 central servo hidden inside the fuselage:
X1 3.7g Micro Servo
X1 9g Micro Servo

PRINT OPTIONS
2 different noses
A- small back-mounted drone out-runner (1806, 2804, BR2205).
B- small front-mounted in-runner
2 wing/servo options
A- 2x 3.7g with 1 servo in each wing, partially sticking out in the breeze
B- 1x 9g central servo with a rocker drive

PRINT VOLUME:
200x200x250
300x300x380
All the parts will fit in a 200x200x200 printer now. Following demands, I figured a way to split F3 and still have a compact way to align the 2 parts. The original F3 at 272mm is still available. I recommend printing one part at a time for best resulting parts.

For any questions and assistance please use the RC-Group thread:
https://www.rcgroups.com/forums/showthread.php?3934763-Stinger-3D-printed-Sp400-pylon-racer

PARTS LINKS
X1 1806 Out-runner
https://fr.aliexpress.com/item/10000356367313.html
Or 2040 Brushless In-Runner Motor
https://www.banggood.com/Surpass-Hobby-2040-2s-For-1-or-16-1-or-18-Waterproof-RC-Car-Motor-p-1446847.html?cur_warehouse=CN
Or QM2804 2204 2300KV
https://www.aliexpress.com/item/4000002657801.html_
X1 20AMP ESC
https://fr.aliexpress.com/item/4000078165193.html
X1 1300MAH 2S LIPO
https://www.banggood.com/2-PCS-ZOP-Power-7_4V-1300mah-25C-2S-Lipo-Battery-JST-Plug-p-1232988.html
or 950MAH 2S LIPO
https://www.aliexpress.com/item/32907577121.html
X3/4 3.7G Micro Servo
https://www.aliexpress.com/item/32965734270.html
X1 Micro Receiver
Low cost 4ch FrSky compatible receiver:
https://www.banggood.com/2_4G-4CH-Mini-Frsky-D8-Compatible-Receiver-With-PWM-Output-p-1143300.html
X3 Bamboo Food Skewers (3mm diameter, local grocery store or Dollar store)
CA Hinge Sheet
https://www.banggood.com/RJXHOBBY-CA-Hinge-Sheet-180mmx140mmx0_3mm-Maintenance-Board-Repairing-Tool-p-1239531.html
VELCRO – (local hardware store)
Velcro strip with adhesive back.
1mm Music Wire - for pushrods
M2.5 x10mm screws - to fix the BL2040 to the firewall.
https://www.homedepot.com/b/Hardware-Fasteners-Screws/M25/10-mm/N-5yc1vZc2b0Z1z0sfxiZ1z0sg0w?storeSelection=

3D PRINTING SETTINGS

3D PRINTING SETTINGS
PLA+
I used Ingeo 3D850 PLA from local Materio3D filament manufacturer.
• print head = 230 deg C
• print bed = 60 deg C
No cooling fan will provide better layer adhesion.
The tall and thin pieces might be wobbling during the print. Scalloped braces have been provided for optimum printing quality.

Video

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