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Member postings for Chris Freeman 3

Here is a list of all the postings Chris Freeman 3 has made in our forums. Click on a thread name to jump to the thread.

Thread: Zenith CH 701
04/12/2020 13:34:15

power is a Turnigy Aerodrive SK3 4250 410kv motor with an 80amp esc, 6 cell 3700 lipo with a 15 x8 propeller. The construction article had details of a number of different motors used but also stated that about 600 watts were needed to fly it. I have around 900 watts so power was not an issue. Byron did the test flight for me and it took quite a bit of trimming to get it flying straight, he was not very complementary about the flying characteristics and when he gave me the TX I thought the radio was not working as it was not doing what I wanted it to do but when I I used the throttle it responded. We found that it flew very slowly, climbed well with plenty of power, was quite stable in pitch but lacked yaw stability. Landings were fine, take offs require a lot of up as the nose oleo compresses under power.

When I got home I re read the construction article and at no point did the designer say it flew well. the power changes were mainly to reduce the effect of torque so he also had yaw issues. I have built a new larger rudder to help this.

zen1.jpg zen3.jpg zen4.jpg

Thread: Macchi Mc 72
04/12/2020 12:41:58

Alan the Baby flew for 20 years and was really a great flying aircraft, the only problem with it was that we did not fly it as often as we should have. 7 years ago our house was destroyed in a fire caused by a 2 cell 2200 lipo that was the receiver pack for a giant scale aerobatic aircraft. We lost all our stuff so no pictures or that plan but I do have the original pull out plan that could be enlarged. I can get it scanned and mail it to you if you send me a private message with your detail.

Nick Nice engines the Trents, you sure found the solutions with them.

I just recalled that this trip was also special as my mate was the captain so I was in the cockpit for landing at Heathrow which was also quite an experience

03/12/2020 05:37:02

Nick Thanks for the nice pictures, bring back great memories. I went to the museum in 1993 when collecting a JPX from Ian Stockdale for a fellow South African Modeler as I worked for the National airline at that time. I had meet Ian when he came to South Africa to demonstrate the JPX at our Nationals. I spent the weekend with Ian and he had to work on Saturday morning as he owned Solent Models which was close to the museum. I spent a morning looking at the great aircraft and was surprised to see how small the cockpit of the S6 was and how large the Sunderland was.

That afternoon Dave Boddington came to have a BBQ with Ian and collect pictures and an article that I had done for the prototype of Dave's 1/4 Sopwith Baby. The next day we went to a large meeting at Wouborne Abby for Ian to show me how to start the JPX as he had problems with the starting in South Africa and only on his return did he realize that the density altitude in Johannesburg was causing the Propane to flow faster causing the motor to flood. The same starting pressure was also not spinning the motor fast enough so the excess Propane would freeze in the motor.

Byron was 3 months old at this time!

Thread: Zenith CH 701
01/12/2020 06:48:58

The plan was drawn with the fuselage on 2 sheets and half a stab so it was quite hard to see the size of the airframe. Once I had all the bits built I fitted all the parts and the tail surfaces seemed very small. Once the airframe was all built it moved down the road for my son to cover. He did a great job and had the seat sewn up as well.zc8.jpg

zc9.jpgzc10.jpg

Thread: Macchi Mc 72
01/12/2020 05:51:01

Byron is my son and has been dragged to the flying field since he was in nappies and grew up thinking that all garages were for model aircraft as well as cars as all the houses we went to had model aircraft in them. We spent many hours talking to Howard who built the S6 model and also of the visits to the Southampton museum to see the real one. Being South African this is not easy to do. I think these visits and discussions had a big impact on him and he now wants to give these aircraft a second chance like the DC3 that we repaired.

The Macchi will be flown with an ST 3250 as it will be about the best fit. The S6 was designed around a Laser 300.

Thread: Zenith CH 701
18/11/2020 10:05:54

Due to the lockdown I decided that I needed a new building project that was not too complicated and no retracts. I had often looked at some of the Robin Fowler designs and liked his subject choices but did not agree with some of the design ideas that he uses. I decided to build a Zenith CH 701 as I had the plans from the Traplet days. First task was to study the plans and article to see what changes I would make and also read the article for more detail.

The plans are on 3 sheets and the overall impression was it was not that big for the 80" wingspan. A large amount of the construction is 1.5mm balsa sheet and all the other required wood was in stock. I changed the wing design to have leading edge and also a trailing edge as this was done with 1.5 mm sheet and was open under the wing. The wing attachment was also changed to Carbon tube and not bits of wire.z7.jpg zc6.jpgzc8.jpg

Thread: For Better or for worse
26/10/2020 09:27:18

Well after all the issues with this aircraft I am glad to report that it is finally finished and flies very well. I have an OS 120 fs to power it and it sounds good and has a realistic flight performance. I am not sure of the weight as there is not much you can do about it once it is finished. Very gentle stall but was nose heavy when test flown and I did this without the cowl as it is a new motor.ch42.jpgch38.jpg ch34.jpg

Thread: DB DC3
06/10/2020 08:56:55

Hi John

You are correct, it was for Airline, like the Bleriot. KC, thanks for the info, I must try to get a copy as I never saw the series. The DC 3 was later kitted by Inwood Models and I managed to get a kit wach is a long story all on its own. I built it and covered it in the Solar Trim Chrome like all the Ducted fan guys used in those days. I had 2 ST 90's for power and flew it for a number of years.and it died when it lost a motor in a steep climb and spun in. the airframe was beyond repair and when I got it home I had to start the long process of removing the equipment. My son Byron was about 3 years old and was quite upset abount the crash and kept on comming to me and saying how sorry he was about the Dak. The third time he came I said to him that it was fine and the dak is now in model heaven and is fixed and flying again. Byron looked at me in a strange way, thought for a bit and the asked me who is flying it and suggested that I should ask Jesus to keep it for me until I get there.

05/10/2020 14:48:10

dc3 3.jpgMany years ago Dave Boddington and his team made models for a TV series called wings and a few DC3's were made along with a spare kit or 2 if needed. These were very big models for those days and powered with Webra 60's. A friend of mine was on holiday in the UK in the early 80's and found one of these kits for sale at a show. He bought this kit and managed to get it back to South Africa.

In 1984 the DC3 was built and taken to Las Vegas for a QSAA meet. In 1988 at a local airshow this model was crashed and lay for many years collecting dust. A few years ago my son was given the bits and they were once again stored. I ellected to take on the rebuild and it was quite a project as we had to try and fix some of the parts to make a mold for the nacelles and cowls. The Centre section was rebuilt and the original homemade retracts were replaced with ESM ones and power changed to electric. G60 400kv motors with 6 cell 5000 lipo and Master airscrew 3 blade 14x9 props used. Weight is around 13kg.

Test flown yesterday in poor conditions but the Dak proved she is a real lady and will be re painteddc3 4.jpgdc3 2.jpg

dc3 1.jpg

Thread: Gary's Brian Taylor P-47 build
25/05/2020 14:11:23

I am watching this build as it is a great aircraft. Built one a few years ago and it flew a treat.p47 flying 009.jpgp1010961.jpg

Thread: Like for Like Equivalent to a SuperTiger 2000
25/05/2020 14:08:42

Great engines, I have quite a few that I still use, I prefer them to gas. you can leave them for long periods and they start easily once you get some fuel through them.

Thread: For Better or for worse
14/05/2020 13:00:08

Nice to see that I am not the only one to have had some issues.

Trevor

It was a van so even I struggle to see the roof and I am 6'2", If I had to marry a taller wife then I would not be able to say anything as it may result if more than not just getting dinner.

Reminds me of two old gents who used to fly with us, the were great mates, Len was in his 70's and Stan was in his 80's. Stan was a real gent who was always smartly dressed, Len was a little rough around the edges. Stan once came into the clubhouse looking a little pale and the front of his trousers were all wet. When we asked him what happened he explained that he had gone behind a wall te relieve himself. He was busy with this and next thing Len had lost control of his plane and it crashed next to Stan who got such a fright he forgot to hold his winkie!!!!!. Stan sure gave Len a mouthfull that day.

14/05/2020 07:13:00

I know it was my fault and also I know that my skills in the kitchen are bad so I did not add to spouse abuse statistics under lockdown. This is what the birds thought of my building:

ch5.jpg

13/05/2020 12:14:00

Whist returning from work one day last week and almost home I passed my mates house that is also a fellow modeller, I saw a wing for an aircraft on his pavement. As I turned the corner I then realised that the wing appeared to be that of my Chipmunk that I had been getting ready for my son to spray. How could my wing be on the pavement?

I then remembered that my wife who has not been out in a month and a half had decided to go to the shops and she had used my van and I had placed my wing on top of it to clear the workbench. Damage is not that bad considering the fall off a moving car onto a tar road but enough to make me think about what the minister had said to us when we got married! To add insult to injury the wing was under a tree that gave the birds that sat in it a purple colour too thier droppings which were used to great effect on my wing!

This is how it looked before its first flight!ch1.jpg

Thread: Top Flite P51 - 65" span
13/05/2020 11:55:47

Hi Peter

Looking great, the mustang and the P47 are the 2 Top Flight warbirds that carry the weight better than the others. The flaps really make a huge difference to the flying and well worth the effort and weight.

Thread: DB Hurricane paint and finish.
13/05/2020 11:48:06

Very nice Jon. The hard work has paid off. will look great in the air.

Thread: Spitfire light
13/05/2020 11:43:08

My son has done a great job of the painting and is now busy with the weathering and I think it looks great. My son has not done much painting with quick dry paint of Duco which was used for this project. It is much easier to use but far less durable than 2k paint so care needs to be taken when masking or using tape on it. We will use a matt clearcoat of 2k paint when finished to give it a more durable finish. We do not fly in competitions so this is not the most scale Spitfire.

espit1.jpgespit2.jpgespit4.jpg

Thread: Fokke RC 1/5 Spitfire MK14
06/05/2020 10:32:19

I used the JIG for the first time and it was not too bad building it this way. I did think about cutting the formers in half, I did it when I built a Dave Platt MK12 Spitfire. The fuselage when assembeled does sag on the horizontal keel so I used a strip of 50mm wide balsa glued to the keel to straighten it. It did help to have the jig small enough so you can move it so you can work on both sides of the fuselage.

Split wings can be a pain to build, I once again decided to go for the hard route. You will need to add dihedral braces if not using the tubes.

I have started on the elevators and not using the supplied ones as they are ply and only have 4 ribs and no other detail on the plans. I am now using the Brian Taylor design for these parts.fspit27.jpgfspit28.jpg

Thread: 2m f3a plane. Lexicon.
06/05/2020 09:42:51

Very nice work and unusual design. I am sure you cannot wait to test fly. I South Africa we have had some stunning weather and we are not allowed to fly.

Thread: Fokke RC 1/5 Spitfire MK14
05/05/2020 12:33:48

The Pica I had was powered with a ST 3000 and I learnt that all props are not created equal with this aircraft. When flying with a Master airscrew 18x8 prop I could not get enough airspeed to loop without a serious dive. With a Punctilo 18x8 Smart prop it would loop from level flight.

Construction continues and I am quite happy with the way it is turning out. The strip planking does give it a nice look. I need to get the wing sheeted in the center section so that I can do the wing fillits. I am busy with the plug in tubes at the moment, I made my own outers to fit on the ali tubes. The allignment needs to be right to make it easy to join the wings.

fspit22.jpg

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