Daren Cogdon Posted August 26 Share Posted August 26 So, since Flite Test has never put out a plan for a foam board Messerschmitt 109, I decided to do my own..... kind of. I started off with the FT Mustang plans and decided to change a few bits here and there to make it more "Me109-ish". So, it lost the underbelly scoop, had the rudder shape changed and will have the rear fuselage modified to get closer to the Me-109 shape. I'm also planning on adding a few further modifications and make it into a Hispano Buchon..... 5 Quote Link to comment Share on other sites More sharing options...
martin collins 1 Posted August 26 Share Posted August 26 Love the Buchon, didn`t fancy going with the free plans i posted on my Foamboard 109 thread? Be watching to see how your comes out. 🙂 Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted August 26 Author Share Posted August 26 6 minutes ago, martin collins 1 said: Love the Buchon, didn`t fancy going with the free plans i posted on my Foamboard 109 thread? Be watching to see how your comes out. 🙂 To be honest, I'd completely forgotten about it, but I wanted to build one using something I already had to hand, or could lay my hands on easily - hence basing it on the Mustang plans. That said, I'll definitely download those '109 plans if my Master Series Spitfire goes well! 1 Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted August 26 Author Share Posted August 26 So, this is where I've got up to, as of 2355hrs. The wings and tailfin haven't yet been attached, so this is just to see how it looks thus far. And I reckon it looks OK! Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted August 26 Author Share Posted August 26 Naturally, the Spitfire had to get in there, too.... 1 Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted August 28 Author Share Posted August 28 So, I've been racking my brains to think of a colour scheme for this one to go into. I was looking at the warbirds out there (mostly) and thought I had a couple of nice ones in mind, and it would just be a coin-toss to decide which one. Then, I decided to offer up the decals I have to the model to see how they would look. The wings are OK, but the fuselage is.... not. I never realised that, having used the FT Mustang as a basis, the fuselage would appear somewhat shorter than the '109 (I don't think the wing chord helps). Having lined it up beside the Spitfire (which is also scaled down from the FT plans), this confirms it. The rear fuselage could have done with having the tail another inch or two further back, I think. Oh well, I'm still going to finish it! It'll just have a simpler scheme on it. Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted August 28 Author Share Posted August 28 I was thinking of using polystyrene or Depron to make the upper part of the fuselage, instead of using formers and card, as per Flite Test. I've never really liked that method, since I don't think it's massively strong. If I carve some polystyrene to the right shape, the cover it in paper with PVA, I think that would be stronger and actually look nicer (hopefully!) Quote Link to comment Share on other sites More sharing options...
Eric Robson Posted August 28 Share Posted August 28 (edited) I used foamboard formers and 3mm depron on my 109f, you have the strength in the box main body so a light weight formed top will not make a lot of difference and will improve the look. It is 65" span. VID-20231126-WA0000.mp4 Edited August 28 by Eric Robson 2 Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 1 Author Share Posted September 1 I ended up building the fuselage with the simpler FT method, for speed rather than accuracy. The front end was fine, but the back end took a bit more thought. I also never noticed that the fuselage, being based on the Mustang plan, is a little too short at the back - and it was too late for me to sort it since the tail was glued on! Oh well. Anyway, I put some paint on the wings, and then the decals, and here it is at 1700hrs today.... 3 Quote Link to comment Share on other sites More sharing options...
Ron Gray Posted September 2 Share Posted September 2 Ah the little known Metang. Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 3 Author Share Posted September 3 Pretty much finished - now I just need to install the bits...! 4 Quote Link to comment Share on other sites More sharing options...
Lipo Man Posted September 3 Share Posted September 3 8 hours ago, Daren Cogdon said: Pretty much finished - now I just need to install the bits...! That’s looking pretty good - congrats! If it flies like it looks it’ll be a keeper! 1 Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 3 Author Share Posted September 3 Cheers! If I get the electrics installed this week, I'm hoping for a first flight maybe this weekend or sometime next week. If not, it'll be when I'm off work later this month. Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 5 Author Share Posted September 5 So I got the bits installed, and she came to life yesterday! Just got to wait for the winds to die down here. Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 5 Author Share Posted September 5 I just compared my 1/48th Buchon against the model, and while the canopy looks right, it's about an inch or two further back than it should be! This probably exacerbates the "short" rear fuselage. Oh well. I'll remember for next time which, if this puppy flies, there absolutely will be! Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 6 Author Share Posted September 6 Yeah, that's better.... 3 Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 12 Author Share Posted September 12 Wish this wind would die down - I have a Buchon to fly!!! If the weather is agreeable next week, then I'm hoping to get her up. We shall just have to see! Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 18 Author Share Posted September 18 Well, the first flight was.... eventful! Once we got airborne, I found the Buchon kept wanting to dive. A lot. So I put in as much up-trim as I could get until the thing would stop sticking its nose down! In addition to this, it also kept trying to roll to the right, so I put in as much left-trim as I could until it started to literally "straighten up and fly right". By this time, I wasn't sure how long I had been flying, and had no idea how much was left in the battery, so I decided to bring the flight to an end and bring it in to land. A good bit from the end of the runway, and about 15ft up in the air, the Buchon dropped its left wing and fell out of the sky. Resulting in this..... 4 Quote Link to comment Share on other sites More sharing options...
martin collins 1 Posted September 18 Share Posted September 18 Looks like a straight forward repair Darren, sounds like the thrustline or C of G was maybe out causing the problems? Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 18 Author Share Posted September 18 I thought maybe the battery was too heavy, even though the CofG seems to be right, so will try that first. Quote Link to comment Share on other sites More sharing options...
Simon Chaddock Posted September 18 Share Posted September 18 Daren If a plane need lots of up trim with power on then the chances are it will be tricky to land. As the power is reduced it will likely need still more up. The danger of entering a stall is very real 1 Quote Link to comment Share on other sites More sharing options...
leccyflyer Posted September 18 Share Posted September 18 Bad luck Daren - she looks repairable to go again. 1 Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 19 Author Share Posted September 19 Everything is glued back in place - though it doesn't look quite as pretty as before! Fingers crossed, I'll have another go at flying the beast tonight. 1 Quote Link to comment Share on other sites More sharing options...
Daren Cogdon Posted September 22 Author Share Posted September 22 SUCCESS!! I managed a test-flight today where the Buchon actually FLEW, rather than looked like it was about to crash! The problem with it rolling to the right was largely solved (dodgy wing angle), and the nose-down tendency was down to the angle of the motor for the most part. It still wants to go down when you let go of the stick, but nowhere near as bad as before. Maybe another washer at the bottom of the motor mount might help? But yes, I'm calling that a definite success. No damage on landing, thankfully! 2 Quote Link to comment Share on other sites More sharing options...
leccyflyer Posted September 22 Share Posted September 22 That's good to hear Daren - as I said this morning, with these Flite Test type models if they are not behaving in pitch and the CG is okay then the thrustline should be checked carefully - it's all too easy to let a bit of variation creep in when mounting the motor and given their power:weight ratio even quite a small offset can have a big effect. Clubmate Colin's FT Hurricane was climbing like mad and looked very tail heavy in flight this morning, but the CG was bang on - I suggested that he check the thrustline and it did have some upthrust, which is the most likely culprit. 1 Quote Link to comment Share on other sites More sharing options...
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