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3DLabPrint Spitfire XVI Accessories

by gowen, published

3DLabPrint Spitfire XVI Accessories by gowen Feb 8, 2017

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Summary

Here a some accessories for the 3DLabPrint Spitfire XVI.

Firstly is a Battery and balance weight holder. There are two versions depending on the thickness of your Lipo.

  • SpifireBatteryHolder1.STL - Thinner and lighter Lipos so more space for balance weight.
  • SpifireBatteryHolder2.STL - Thicker and heavier Lipo with less balance weight capacity. It can take up to a Turnigy Graphene 2200mAh 65C.

Depending on the length of your Lipo you might want some longer battery clips.

  • SpitfireBatteryClip6.STL - This clip is 6mm longer than the standard one.
  • SpitfireBatteryClip10.STL - This one is 10mm longer.

To help keep the weight as far forward as possible I designed a clip (SpitfireESCRetainer.STL) to hold the ESC as far forward as the reciever cable and space would allow.

Finally its second landing the tail broke off at the glue joint behind the cockpit. To prevent this I designed a joint doubler (Spitfire_XVI_fuselage_5-Bulkhead.STL) to increase the glue area and assist with alignment. I've also included a Simplify3D factory file with my settings for this part.

The photo of the fuselage front half looks like its suffering from camera shake, but It's actually showing the joint doubler in place.

Print Settings

Printer:

Cherry Pi IIIs with DuetWifi

Rafts:

No

Supports:

No

Infill:

30%


Notes:

I printed these parts with three perimeters and three top and bottom solid layers to prevent generation of infill on the thin walls.

The part Spitfire_XVI_fuselage_5-Bulkhead.STL should be printed with one shell, zero infill and no top and bottom solid layers.

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Thanks for designing the fuselage reinforcement for the section 4/5 joint. I kind of dropped mine on the nose a bit on the second landing and the fuselage let go at this joint. Rebuilding due to some damage in the nose as well.

Ken

I'm glad it was useful to you. Apparently the full size Spitfire used to break at that joint as well.

BTW I'm very tempted to try and remove the servo inside the fuse vs on the tail.
What do you think?

It would be worth a try. I'm running 60g of nose weight. The 9g servo is 40cm behind the CofG and the nose weight is 16cm in front. Moving the servo could save 20g or more.

When I flew mine I actually think I had too much weight in the nose.

I'm going to reduce and try again but will print your battery try.
That tapered front end will get the setup a few mm forward over my initial design.

Feb 24, 2017 - Modified Feb 24, 2017
gowen - in reply to Andregt6

Mine is balancing dead on the recommended CofG although it would have been easier to check if the CofG marks where on the top surface so it could be balanced upside down. I was flying it at lunchtime today and it really does fly well. I didn't see any pitch up/down tendencies when flying up and down wind. I can see how being nose heavy could cause that.

I did put marks on top so I could flip it over. It balanced neutral but as you saw in the video seem to pitch a lot.

Now I'm using a very light weight power setup but eh it flew :)

Mine pitched a lot on its first flight, but that was because it didn't have any expo. Doh!

Yeah I had the rates jacked way high as well.

Gowen, These are fantastic. What motor/prop/esc are you using to with your 4S2200mAh?

I have a 6S1300mAh setup right now and its significantly wider but really short. Im thinking about chopping off the batter tray and side to leave a single wall to lash battery to. I hope to pull this off in slicer. This should allow me to fit the battery snugly to prevent both forward and backwards movement. I like the idea of the ESC plug as well.

Again great work, I hope to see more 3dlabprint upgrades in the future!

I'm using the recommended Turnigy D3530/14 1100KV Brushless Outrunner Motor with a TGS Precision Sport Propeller 9x6. At the moment I've only flown it on a 3S 2200mAh, but I've got a 4S ready to go. Good luck with modding the battery tray. if you get stuck let me know the battery dimensions and I'll model one specifically to suit.

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