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Rearwin Speedster 6000

2019 Indoor R/C Nationals Candidate

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Martyn K14/03/2018 16:22:26
4631 forum posts
3255 photos

So the 2018 Indoor Nationals didn't happen - sadly called off due to the 'Beast from the East'. It did actually save my personal embarrassment as my little Fokker EIII didn't perform quite as well as expected. I did learn something from the experience and that was don't leave it so late for next year. I also learnt that it may be better to choose an easier prototype.

Flying indoors was not as stressful as I thought it would be, there is more space than expected and the setting is actually quite relaxed. Great fun. However, for next year, I want a model ready for the start of the indoor season so have been looking for a candidate.

I have always liked the charm of period 1930's aircraft and I have been looking at this aircraft as a build candidate for a couple of years now. Its NC15865, the 2nd prototype Rearwin Speedster 6000 (not the later M variant) which is still operational in the USA. Fortunately, there are several decent photos of it on the internet - hopefully enough to build my scale dossier.


Working from a 6000M 3-view, there are some differences - mainly a different fin and cabin window layout and a slightly different cowl to accommodate a different powerplant. Fortunately, I have been able to extrapolate the correct dimensions and shape from the photos that are available. It should be accurate enough.

I am building this at 1/10 scale giving a wingspan of 975mm or thereabouts. Target mass will be 150g - but I'll be happy if its less than 175g.

Its going to be a slow build, I need to finish some models before I start another one like this but hopefully it will be completed by October.


The plan looks like this at the moment - mainly a tracing from the 3v but with some structure being added. It will have 2 x 3mm square balsa/carbon composite spars to help keep the wing strong, straight and stiff, the rest will be mainly traditional stick and tissue construction.


Getting those wheel spats and undercarriage fairing built light will be a challenge


This image shows the earlier fin and cockpit variance - transposed to my plan.


More to come.




Edited By Martyn K on 14/03/2018 16:36:13

Martyn K21/08/2018 16:11:25
4631 forum posts
3255 photos

Well, here I am on holiday and so far the build has traversed 3 countries, France, I cut out wing ribs, Germany I started on the Fus, Didn't do anything in Austria but in Italy, work on the fus progresses.

So, rattling through my holiday snaps...


Lower fuselage sides built on top of each other. This was quite curvy and it was tricky trying to keep the upper longeron straight


To complicate things, the fus sides are not upright, they form a trapezium so it was assembled upside down on my little building board


Like this...


I made a couple of jigs to keep the fus sides at the right angle. Wood is very light and I was just a bit nervous that a gentle knock would do a great deal of damage.


A 1/32 ply nose former and motor mount - extensively hollowed out.


All the side and lower longerons were fitted before the fus was removed from the building board. That helped keep the upper longeron nice and straight. The right hand side has the door frame fitted at well


The challenging bit this afternoon has been trying to manipulate these cheeks/cowl sides into place, A very tricky compound curve..


Another shot. Still a bit of tweaking to do before I fit the lower part of the cowl.

And this is what my mobile workshop looks like

holiday workshop.jpg

Caught unawares..

More to come


Martyn K05/09/2018 09:36:50
4631 forum posts
3255 photos

Had a few WiFi problems while on holiday so unfortunately, the updates didn't happen from my PC.

Progress was a little slower then expected, mainly because I was enrolled into doing holiday type activities so can't really complain..


Before I could do the upper stringers of the fuselage, I needed to get the fin built. A thick card template and 4 laminations of 1/32 balsa with one lamination of 0.006" carbon for strength and anti warp properties. All very straightforward. It also didn't take long for the heat to dry out the well wetted balsa laminations

The ribs are mainly 1/32 balsa with 3/32 for the upper rudder joint ribs and uprights


A test fit and all looks good. Rib spacing is as per full size. The fin slots into a little hole in te top of the fus and also a little cutaway at the rear.


Withe the fin built and temporarily pinned into place the upper stringers can be added. There is a thin piece of very light infill between the upper outer stringers and the sides of the fin to attach the tissue. The idea is that all parts can be covered and painted before they are finally glued together. Hopefully


The tailplane was made in two halved, 5 lams of 1/32 plus 1 carbon which is visible in this shot


When dry, both halves are glued together with a 1/16 balsa brace and ribs added. Hinge line spars are 3/32 balsa. All very lightweight wood.

And that is where it was packed up and shipped back to the UK where it now joins the Foka, Chippie and Dalotel (and shortly the Fury)..

But I do need to get this finished sooner rather than later. Just need to make some space.

More to come


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