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P38 Lightning

3D labs creation printed from their STL files by Aerofred

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Martian10/07/2018 20:14:37
2255 forum posts
1091 photos

Below is a 3D printed P38 Lightning 55" span printed by Aerofred using 3dlab stl files its all in this box all the way from eastern europe 123 euros delivered printed in silver PLA . There are build videos available to download they make it look easy but it probably is not that simple I understand all parts have to be trimmed for a dry fit before application of medium CA then activator (they recommend Hobby King for both. I have a problem with CA so its a well ventilated room with fan assist plus the use of gloves. I don't anticipate rushing this I want to make the best possible job and enjoy this new technique for building planes. So if anyone is interested I will do a detailed blog next week. I should add it didn't arrive like this each part was carfully wrapped in bubble wrap



Bob Cotsford10/07/2018 20:20:10
8059 forum posts
444 photos

I'll be interested to see what sort of fit you find on the mating parts.

Paul C.10/07/2018 20:29:41
600 forum posts
150 photos

Bookmarked yes this looks to be a realy interesting build, there are going to be lots of folks following this one. Best of luck hope it all goes well. smile d


Robert Parker10/07/2018 20:59:39
916 forum posts
1175 photos

Bookmarked, looking forward to this one



Steven Shaw10/07/2018 21:26:29
333 forum posts
182 photos

I'm following also, my nephew has been printing some parts for me on his printer, the quality is quite good.


Andy G.11/07/2018 08:07:28
413 forum posts
215 photos

Following too. Earlier in the year I bought the 3D printed electric glider that aerofred does. I've yet to build it but have watched the videos so your build blog will be of great interest.

Chris Walby11/07/2018 08:29:52
1024 forum posts
237 photos

Book marked and watching with interest, smiley

Andy Meade11/07/2018 09:05:53
2671 forum posts
681 photos

Slightly off topic, but would your nephew have an STL file for that full bodied pilot that he'd be willing to share please Simon? They seem as rare as rocking horse teeth.

Martian21/07/2018 13:03:15
2255 forum posts
1091 photos

Right back to it the photos I took before a weekend in Bath are still on one of my cameras left behind at my sister in laws I wont get it back till September so I have had a rethink on progress, First my impressions on the printed kit the outer wing halves are a good fit and go together easily . Latex gloves need to be worn as CA glue is used throughout although the video that is available for all of the assembly does not show the builder wearing any at any point. On reflection further into the assembly I would opt for the transparent PLA rather than the silver I dont know for sure but I think the silver is less ridged . Double check and practise assembly then apply medium CA on every mating surface on the largest piece be careful not to miss any ( I have seen a video where the outer wing separated causing the plane to crash in bits) I built the outer panels first the following pictures show the assembly of the inner wing parts. Bring the two parts together and carefully align (this is where gloves are needed or you will get the CA on your fingers) once aligned spray kicker all round wait a second or two wipe the surface free of kicker over spray job done onto the next two pieces. I should say it's not unlike building a plastic kit only bigger .


above on piece of inner wing


Above surface of inner wing ready for CA if you look closely on the right hand side is the the printed tunnel for motor wires and servo leads


the two pieces of inner wing above


Above all four sections of inner wing assembled


Above the flap servo mounting and hole for motor and servo wires

Simon Chaddock21/07/2018 14:49:41
5483 forum posts
2878 photos

Superb printing but I hate to think of its crash resistance or the possibility of any subsequent repairs.

I will follow with interest.

Biggles' Elder Brother - Moderator21/07/2018 15:12:11
15748 forum posts
1460 photos

I suppose one approach is that you don't repair, you just print a replacement part?


onetenor21/07/2018 20:19:01
1900 forum posts

If you've got printer and filesLOL

Martian21/07/2018 21:43:53
2255 forum posts
1091 photos

Buy the files print as many you want 😉

Martian22/07/2018 19:40:13
2255 forum posts
1091 photos
Posted by Simon Chaddock on 21/07/2018 14:49:41:

Superb printing but I hate to think of its crash resistance or the possibility of any subsequent repairs.

I will follow with interest.

Simon it seems quite robust and hard to crush certainly when assembled

Martian22/07/2018 19:43:38
2255 forum posts
1091 photos

A Hexotronic servo nestling in place these are the recommended servos nine in all they fit in place perfectly they are fitted through the cockpit hatch after completion


Martian22/07/2018 19:58:34
2255 forum posts
1091 photos

Below cockpit /hatch prior to gluing


Below the fuselage also known for some reason as the gondola also the assembled cockpit/hatch


another shot of fuselage and cockpit. the flat areas that can be seen on both the top of the fuselage and bottom of cockpit have to be removed I used a wood burning iron with a flat spade like bit you have to be quick and careful not to dwell to long at any point ,this PLA melts very quickly and would ruin the part . A temperature controlled iron would be better with that in mind I may make a flat bit for my controlled soldering iron if in doubt practise first


Below nosewheel housing to accept the recommended nose wheel retract., there is also a printed tunnel for the retract wire


Martian22/07/2018 19:59:09
2255 forum posts
1091 photos

Any questions please ask

Chris Bott - Moderator22/07/2018 21:24:21
6674 forum posts
1384 photos
1 articles
I'm sure folk are watchong, Martian. I certainly am after doing the Stearman and having just finished the Das Liddle Stik. Both from Aerofred.

How are you doing with the cyano sensitivity?
Ace22/07/2018 21:30:38
275 forum posts
16 photos

I like it Martian.

Following with a great deal of interest.

Martian23/07/2018 08:25:59
2255 forum posts
1091 photos
Posted by Chris Bott - Moderator on 22/07/2018 21:24:21:
I'm sure folk are watchong, Martian. I certainly am after doing the Stearman and having just finished the Das Liddle Stik. Both from Aerofred.

How are you doing with the cyano sensitivity?

Struggling today forgot to put the can on. It's essential to blow away the fumes as a lot of CA is used as you are aware Chris

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