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Mooner Sp400 pylon racer

£8.57

Inclusive All Taxes

Seller
L3D
0

Description

3D MODEL DESCRIPTION

This is an entry level pylon racer based on the old Piker racing class from 20 years ago. Makes for a great fun little plane to fly using updated components - low cost BL2445 in-runner and lipo battery - for great performance but easy handling thanks to the ample wing area.

Details, questions and answers through the following RCGroup thread: https://www.rcgroups.com/forums/showthread.php?3785511-Mooner-900mm-entry-level-SP400-racer

Video: https://youtu.be/szMFWSFwscM

Updates:
2021-10-10: New front sections (long and short, V4). Easier to hand-launch with vertical sides. Also added the hatch cutout area on the short version that was missing.
2021-10-11: Locating pins for the fuselage were requested. Marked as V5. Use bits of filament for the pins.
Also added a set of STL for smaller printers - see Fuselage200mmV5

This all PLA 900mm wingspan requires the following:
- BL2445 3000Kv in-runner motor or the like
- 6x4 electric prop for 2 cells, 4.75x4.75 on 3 cells
- Matching spinner for 2.3mm shaft
- 1x 9g, 2x 5g servos - elevator/ailerons
- 2/3 cell battery ranging from 900mAh to 2200mAh
- 4ch micro receiver
- 1mm music wire for hinges and pushrod
- Piece of Velcro to retain the battery in place

A shorter fuselage option is provided for builders going to the balsa or Depron tail feathers.
The use of out-runner motors behind the firewall is possible with the chin scoop providing enough clearance for the motor wires.

Flight tested the long nose fuselage version today at 488g on BL2445 3000Kv using a 6x4 MA prop and 1300mAh 2S 25C battery. Outside temperature was at -5C and a chilly breeze before sunset. Prop was not so well balanced and vibrated at the top end, so I flew mostly half throttle - great flyer. Plenty of power.

If you can't find a spinner, I've made one for 3D printing using the collet on a 2.3mm Bullet prop adapter. Available here: https://cults3d.com/en/3d-model/gadget/30mm-spinner-for-2-3mm-shaft-gonzothegreat

3D PRINTING SETTINGS

Printed using PLA filament.
Your printer needs to be well tuned.
Mostly 1 wall/perimeter.

Simplify3D factory files and STL files are included.
Prototypes were printed on 300x300x400mm printers, longest STLs have alternate STLs for smaller printers.

Video

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