Martian Posted January 17, 2014 Share Posted January 17, 2014 I thought it about time to lay down my intention to build the Barnstormer 60 ish or at least make a small start, a lot is depending on getting in a supply of balsa (I'm slowly running out) anyway cant afford laser cut bits so it will all be the hard slow way, here is my ribset drilled and bolted together so as to create identical ribs hopefully all good Quote Link to comment Share on other sites More sharing options...
Tony Bennett Posted January 17, 2014 Share Posted January 17, 2014 nice start so far sir. never done ribs like that before, i normally cut mine one at a time from a template. cant wait to see your take on the barnstormer. Quote Link to comment Share on other sites More sharing options...
kevin b Posted January 17, 2014 Share Posted January 17, 2014 Welcome to the club. Hope your build is more straight forward than mine ! Quote Link to comment Share on other sites More sharing options...
Martian Posted January 18, 2014 Author Share Posted January 18, 2014 Thank you Tony ,Kevin .I doubt it will be straightforward practice and confidence are the key and I'm still building on those ,it has been 40 yrs since I built planes so still regaining skills Quote Link to comment Share on other sites More sharing options...
Tony Bennett Posted January 18, 2014 Share Posted January 18, 2014 well from what i have seen of your other builds, you aint doing so bad are you. Quote Link to comment Share on other sites More sharing options...
Martian Posted January 18, 2014 Author Share Posted January 18, 2014 be I ever so humble your praise pleases me immensely kind sir Quote Link to comment Share on other sites More sharing options...
Biggles' Elder Brother - Moderator Posted January 18, 2014 Share Posted January 18, 2014 There's something very satisfying about the sandwich method of making ribs isn't there? A sort of feeling that you've "cheated the system". A bit of rough cutting, a bit of sanding and hey presto, not one rib - but twenty! Nice start! BEB Quote Link to comment Share on other sites More sharing options...
Nigel Day Posted January 18, 2014 Share Posted January 18, 2014 I'll be watching Martin. Thanks in advance. Quote Link to comment Share on other sites More sharing options...
Dave Miller Posted January 18, 2014 Share Posted January 18, 2014 Rib sandwich; yummy! Another one to watch. Quote Link to comment Share on other sites More sharing options...
Martian Posted January 18, 2014 Author Share Posted January 18, 2014 Hmm hadn't thought of it like that BEB but yes I guess it does ,but it is an easier way to produce all ribs the same and all spar slots are accurate . Quote Link to comment Share on other sites More sharing options...
Martian Posted January 30, 2014 Author Share Posted January 30, 2014 well the RF4 is nearly finished bar covering so I cracked on with the Barnstormer 52 . Below pics of the wing halves just ribs and spars you'll notice the 4 bay aileron section the cut off section will be used for the aileron , these wings are of a simple enough structure but I have used spruce spars and 1/8th ribs in centre section out to first 4 ribs . that's all for now need a supply of balsa so a bit of a delay Quote Link to comment Share on other sites More sharing options...
Martian Posted March 26, 2014 Author Share Posted March 26, 2014 wow it's been quite some gap since I was last here but I have not been idle but unfortunately I have not taken piccies at all stages so below is a nearly complete Barnstormer with just the fiddly bits to do big ailerons hefty wing tips and scalloped sheeting just to put my own stamp on the plane Tailplane was a bit weird to follow but it made sense in the end. by the way I am working from an original plan 53" span that depicts an escapement for rudder control only so some modifications had to be done bit of a tight fit for ae servo so it will slot into two guides and will be servo taped to the cover ,it will be interesting to see how the plane will behave with these large ae's you can just see another mod at the front end it's a dummy oil cooler that functions as an airflow outlet, more when cowl and hatch is done Quote Link to comment Share on other sites More sharing options...
kevin b Posted March 26, 2014 Share Posted March 26, 2014 Coming on well martin. Very pretty wings. I take it you are covering them in a transparent film ? kevinb. Quote Link to comment Share on other sites More sharing options...
kc Posted March 26, 2014 Share Posted March 26, 2014 At first glance that looks like a low winger, but I assume it's an illusion!Bending the cabane struts is the tricky bit and obtaining the alloy is another problem. I found that B&Q sell alloy strip in 2mm thickness and several widths. It may not be dural but it seems harder than normal aluminium. Might be useful. Quote Link to comment Share on other sites More sharing options...
Martian Posted March 26, 2014 Author Share Posted March 26, 2014 Thanks Kevin no not transparent I have a fondness for blue and white so it will loosely follow a Rothmans livery. yes it is an illusion but it looks as though it might be ok to do a low wing version ..yes funnily enough I had some ali strip from B&Q so I will use that and not looking forward to bending it Quote Link to comment Share on other sites More sharing options...
john stones 1 - Moderator Posted March 26, 2014 Share Posted March 26, 2014 looks very good Martian a real tidy job would have been good to view the wing sheeting part, bet it was quite tricky. what are those items you held spruce spars with ? Quote Link to comment Share on other sites More sharing options...
Martian Posted March 26, 2014 Author Share Posted March 26, 2014 Hi John thanks. wing sheeting is relatively straightforward and the top is done in two parts first leading edge sheeting done up to a false leading edge then the scalloped sheet was pinned in place to mark the rib places then a compass to mark outline then cut by hand and glued in place where ever possible I use aliphatic glue and ca held in place with pins and masking tape..not sure what items you a referring to re spruce spars can you pin point for me please Quote Link to comment Share on other sites More sharing options...
john stones 1 - Moderator Posted March 26, 2014 Share Posted March 26, 2014 its ok Martian cleaned my glasses you use the pins that are like a Rook in chess I still say the scalloping must have been quiet tricky though nice job Quote Link to comment Share on other sites More sharing options...
Martian Posted March 28, 2014 Author Share Posted March 28, 2014 Boo hoo bit of a disaster ,epoxied the wing halves together with slow setting epoxy (turns out it takes 6 hrs) anyway I seconded the dining room table and set it all up nicely aligned BUT I had to move it for dinner time in doing so it must have moved out of alignment (no I didn't check ) this morning expecting to marry up to cabanes only to find it's out by a fair amount LE to TE going to have to cut it apart and redo ,lesson learnt check check double check and don't use the dining table Quote Link to comment Share on other sites More sharing options...
Bernie Posted March 28, 2014 Share Posted March 28, 2014 Nice build Martin , join the club as far as misalignment s go I'm very good at that (bad) .still! we get there in the end do we not? I am currently build a vintage model from a 19401 plan it was designed for free flight so I have made the necasary changes ror RC gear .good luck with you'r barn Stormer and blue skys for you . Quote Link to comment Share on other sites More sharing options...
Martian Posted March 28, 2014 Author Share Posted March 28, 2014 thanks Bernie, I've also realised the cabane mounts do not line up don't know why they are in the correct place ah well will have to start that again to. I have managed to separate the wing halves and will only have to replace the root ribs Quote Link to comment Share on other sites More sharing options...
Martian Posted March 29, 2014 Author Share Posted March 29, 2014 hooray the wing halves have had the damaged root ribs removed and replaced and this time far more care was taken on lining up before joining and this morning success is mine haa haa .. I have realised why the cabane struts and mount don't line up it's because the front mount is set at an angle by the block in my effort to make it all nice and tidy I removed just enough to spoil the angle anyway all corrected now I shall introduce the fuz to the wings later Quote Link to comment Share on other sites More sharing options...
Barrie Dav 2 Posted March 30, 2014 Share Posted March 30, 2014 **LINK** DBS sell the correct dural and there are also instructions showing how to bend the material. Quote Link to comment Share on other sites More sharing options...
kc Posted March 30, 2014 Share Posted March 30, 2014 The dural that DB Sport & Scale sell is wider than that used on a Barnstormer 52 and it's not cheap. So I suggested B & Q who do narrower strips of aluminium. Quote Link to comment Share on other sites More sharing options...
Danny Fenton Posted March 30, 2014 Share Posted March 30, 2014 For the Bistormer DBS&S supplied pre bent dural, do they not do this for the Barnstormer? CheersDanny Quote Link to comment Share on other sites More sharing options...
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