F4U Corsair 1300mm (with retracts) - RC Groups
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Jan 30, 2018, 05:40 AM
No RTF flies like your own SB
mperaltaoz's Avatar
Build Log

F4U Corsair 1300mm (with retracts)


Hi All,

Sharing my new project: F4U Corsair with the following specs:

Wingspan 1300mm
Estimated weight 1.5 kg
Motor D3548 790Kv 715W
Propeller 3 blades 11x7
ESC 60A
UBEC
Twist-n-turn retracts

I've built this plane 2 years ago (https://www.rcgroups.com/forums/show...-F4U-1-Corsair) in a smaller version and without retracts.
It was a great plane and I enjoyed flying it until I sold it recently to make room for this project.

This one is going to be bigger and with retracts. It will also be built with a different construction technique.

Plans attached below.
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Jan 30, 2018, 05:48 AM
No RTF flies like your own SB
mperaltaoz's Avatar
I'll be fastracking things with this one as I'm going pretty fast.
See photos below for wing build.

For more details on how to cut fuselage and wing sections, you can see my previous 2 projects:
- Bulldog Racer (https://www.rcgroups.com/forums/show...g-Racer-1200mm)
- T28 Trojan (https://www.rcgroups.com/forums/show...-Trojan-1200mm)
Last edited by mperaltaoz; Feb 07, 2018 at 06:39 AM.
Jan 30, 2018, 05:57 AM
No RTF flies like your own SB
mperaltaoz's Avatar

Retracts


And here is how I did the retract mounts and wheel wells.

I used a foam cutter I got from Banggood which works a treat for cutting holes in wings (spar groove, retract mounts, wheel wells, etc) and fuselages (ventilation holes).

Then I removed the middle piece with a dremmel.

The retract mounts are my own design and 3D printed at home (STL file attached)
Jan 30, 2018, 06:00 AM
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mperaltaoz's Avatar

Fuselage


All sections cut, sanded and glued (including cowl)
Feb 07, 2018, 02:51 AM
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mperaltaoz's Avatar
Added internal pushrod snakes and servo trays.
Glued both halves together.
Feb 13, 2018, 05:04 AM
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mperaltaoz's Avatar

Flaps


Flaps and ailerons cut and hinged.
A piece of credit card does the trick for the scale flaps.
Feb 18, 2018, 11:51 PM
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mperaltaoz's Avatar

Airframe ready


Hi there,
I've finished all the parts, sanded and covered them with a coat of WBPU.
Next step will be scale panel lines and paint job.
Last edited by mperaltaoz; Feb 19, 2018 at 04:06 AM.
Feb 19, 2018, 04:04 AM
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mperaltaoz's Avatar

Panel lines


All panel lines and ribets done and ready for the paint job!
Feb 19, 2018, 05:32 AM
Registered User
crankster's Avatar
Mario, you’re unbelievable. This is looking awesome !!!
Feb 20, 2018, 04:33 AM
No RTF flies like your own SB
mperaltaoz's Avatar

3D printed parts


Here is a summary of all the 3D printed parts used on this plane so far (as per photos):
- Tail wheel assembly
- Pilot
- Retract and servo mounts
- Dummy radial engine
- Control horns and hinges
- Air brakes
- Wing intakes

I still need to design the antenna and the wing guns
Feb 20, 2018, 02:16 PM
Multirotor Enthusiast
Blacky's Boy's Avatar
That's going to be a work of art once you are done!
Feb 28, 2018, 05:18 AM
No RTF flies like your own SB
mperaltaoz's Avatar
Paint job is now complete and decals applied. Wing also mounted.
Next step will be gluing tail feathers and hinging all the control surfaces.
Getting closer to maiden!
Mar 01, 2018, 12:48 PM
Disaster magnet
That is really nice looking. Good lob.
Mar 08, 2018, 04:45 AM
No RTF flies like your own SB
mperaltaoz's Avatar

Maiden Ready


This baby is now ready for maiden flight.

Here are the specs:
AUW 1600g (incl 4S Graphene battery)
Motor Turnigy 600kv
Prop Dynan 13x7 3 blades

It pulls about 45A on 4S which is about 650W power. Ground tests in the garage fells like she has a lot of power under the hood.

Looking forward to Saturday morning for maiden!
Mar 08, 2018, 02:56 PM
Registered User
JabiruAbe's Avatar
Wow the detail on that is amazing... care to share any more details on how you did the fuse?


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