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Chris Freeman 311/09/2019 06:47:57
258 forum posts
325 photos

cw13.jpg cw14.jpgcw15.jpg

Nigel R11/09/2019 09:55:31
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3048 forum posts
475 photos

Looking great Chris.

Must get on with covering my twin!

What kind of OS did you get given?

Chris Freeman 311/09/2019 10:35:04
258 forum posts
325 photos

Thanks Nigel. You must start to cover or are you going to do it over the winter period? We are in spring here so lots of flying to look forward too.

I was given 3 fx 61's, will get 2 that can be used, 1 x 95 that needs the remote needle valve bracket welded, 1 AX 120 that has a damaged carb body and 1 older 40 that is fine. Motors appear to have had very little use so are well worth fixing. Also got an old Enya 80 with pipe, motor just needs a good clean.

Will be getting another 95 and a 108 at a great price so I will then have more doubles for twins, have kits for the YT/ ESM 110 and B25 plus a half built DB/ Inwood models DC3.

Chris Freeman 317/09/2019 08:18:54
258 forum posts
325 photos

I have almost completed the covering and am sure glad that it is now just a few bits to be done. It has taken quite a bit of time but I think it will look good in the air. Still got to do a few more panel lines which are in Monokote so it is more ironing! The nacelles have been painted with epoxy so I can now start to install the equipment. cw30.jpgcw31.jpgcw 33.jpg

Nigel R17/09/2019 13:27:01
avatar
3048 forum posts
475 photos

That looks ace Chris.

AX & FX always seem to run nicely, judging by the IC flyers at my club.

I've started covering on mine now - I've finished the nacelles (I found them quite fiddly with all the inside corners between them and the wing) which leaves me with "a regular model"s worth to go... definitely trying to get it in the air within the next few weeks.

Chris Freeman 325/09/2019 09:26:30
258 forum posts
325 photos

I have done most of the equipment installation and managed to test run the motors. The ST 90,S are still the round head ones so they are over 30 years old. Started easily and run very well but produce quite a bit of vibration at low RPM. the Props are APC 14X 6 and have been balanced. The long nacelle does not help. Cg is too far forward at the moment so some lead in the tail will be needed. All up weight is just under 5 kg so good throttle management will be needed when flown. My son helped with the test runs and we had the Grandson to supervise!

Chris Freeman 325/09/2019 09:31:14
258 forum posts
325 photos

Some proof of progress.cw41.jpgcw42.jpgcw43.jpg

Chris Freeman 301/10/2019 07:34:03
258 forum posts
325 photos

I went to test fly on Sturday morning with my son and assembled the plane and did all the checks and made sure all was working the right way and rates set correctly. My son double checked and we did a range test and the 35 meg PCM receiver was good. Motors started easily so it was time to fly. Take off was at about 1/2 throttle and quite a bit of right rudder needed but easily controlled. Climb out needed quite a bit of up trim, a combination of noseheavy with all the fuel ahead of the CG and also I normally have a little down elevator set up before a test flight. I did a few circuits and then gave the TX to my son who was happy with the way it flew. One motor then lost a muffler and then quit. Landing was fine other than one retract did not come down so it confirmed that the tip design was good as no damage was done.

The muffler had stripped the thread so we could not sort it out at the field so we flew our other aircraft. When I got home I fixed the muffler and the retracts as I needed to make a hole to allow the axel more room in the wheel well. Late afternoon I went back to the field and had another good flight, motors are not very happy yet as a combination of one new and one used is not ideal but the airframe is good so not really an issue. The flap slows the landing approach well and no pitch is experienced at low throttle.

These are the links for some of the flights: https://youtu.be/E4qsLxP0wKk and https://youtu.be/jzvQcLjvbPE

Ace01/10/2019 08:42:02
265 forum posts
15 photos

Chris, Its been really interesting to follow the build and apart from a couple of minor teething issues looks stunning and a "brilliant success" thumbs up Thanks for taking the time to share much appreciated.

Is the link correct only I can't get it to open.

David

Ron Gray01/10/2019 09:09:04
1446 forum posts
363 photos
Chris Freeman 301/10/2019 09:38:28
258 forum posts
325 photos

Thanks for adding this, my pc skills are lacking, more of a balsa basher!

Chris Freeman 308/10/2019 05:41:46
258 forum posts
325 photos

As the airframe has flown it earned its colours so the stickers have been added! I think it looks quite smart and is very visable in the air. My son and I had 4 more flights on Saturday and the airframe has proved to be taking its trainer role very seriously. We had 2 more 1 engine landings, 1 was after a slow low pass with Byron at the controls and 1 when I was at the top of the loop. Both times were not overly traumatic, much like my old Twin Slim that I had, Use throttle and rudder and bring it back for a landing. To complicate the situation is that 1 engine will mean that you only get 1 wheel just to make sure that you concentrate. The other 2 flights were great with the motors really on song and having the bonus of 2 wheels for the landing. The rudder is very effective and allows nice take offs and control when a engine quits. The flaps are very effective and very nice to use when landing. The only problem with the plane is the amount of fuel used, the 2 14 once tanks sure empty the 5 litre bottle fast.cw45.jpg cw46.jpgcw47.jpg

Nigel R08/10/2019 09:46:39
avatar
3048 forum posts
475 photos

Looks (and sounds) ace Chris - great job on this one.

"To complicate the situation is that 1 engine will mean that you only get 1 wheel just to make sure that you concentrate. The other 2 flights were great with the motors really on song and having the bonus of 2 wheels for the landing. "

Not sure I understand, how do you mean by 1 engine = 1 wheel?

Chris Freeman 308/10/2019 10:35:41
258 forum posts
325 photos

For some reason the retract will jam in the up position and does not come down when the motor quits, works fine when both motors are running? It has something to do with the up lock of the retract, I need to see if I can get the retract to release when lowering the gear. Works fine on the bench but I must check when the air pressure is higher as the retracts retract quicker with higher pressure.

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