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TMMY Scale Composites 35% scale Cessna

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TMMY Scale Composites 35% scale Cessna

Old 11-06-2016, 04:06 AM
  #1826  
patrnflyr
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I received an email this morning from TMMY. Thanks for all of your help

John

Last edited by patrnflyr; 11-06-2016 at 10:43 AM.
Old 11-06-2016, 04:21 AM
  #1827  
MW1973
 
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Succes with your new project
Old 11-06-2016, 06:50 AM
  #1828  
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Originally Posted by MW1973
Dear Scottkieper, It takes 3 months to build these planes, incl individual painting. The result is a unique plane. Are there things to improve? Yes. Was my plane without mistakes? No. It took me another 5 months to build the rest of the plane like I want it to be. I choose the airfreight in sted of seafreight. Incl handling it is a 2500 euro extra. But these things you know when you start this kind of projects. The result is a nice and extraordinary plane on the flyingfield. A skymaster is also nice, but not one of kind.
Greatings
I also did receive my kit back in September and the quality isn't that great either to warrant $2000+ dollars plus a $900 shipment fee.
Old 11-08-2016, 12:16 PM
  #1829  
MW1973
 
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Just received the scale instrumentpanel. Realy nice...
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Old 11-13-2016, 11:37 AM
  #1830  
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Ready !!!!!
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Old 11-13-2016, 11:39 AM
  #1831  
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And a little bonus : https://youtu.be/2_KX4wazZDk First flight sceduled spring 2017....
Old 11-13-2016, 04:01 PM
  #1832  
TSHARK203
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Very nice mod on the cowl flaps. Do you have a picture of the inside. I would love to see how you did it. Working on my 5th one now. I figure it has been sitting long enough. Most off all the surfaces are setup. Working on the new lights then the cockpit.
Old 11-14-2016, 09:06 AM
  #1833  
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That's one feature I have always wanted to mod on my next Cessna 182. I really don't know what its use is for but all the same looks cool. If you can share the inner design on here it will be greatly appreciated.. Awesome job!!
Old 11-14-2016, 09:39 AM
  #1834  
patrnflyr
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Originally Posted by RonTins
That's one feature I have always wanted to mod on my next Cessna 182. I really don't know what its use is for but all the same looks cool. If you can share the inner design on here it will be greatly appreciated.. Awesome job!!

We use cowl flaps on the 182 for adjusting the Cylinder Head Temps during certain phases of flight. I open the cowl flaps during pretakeoff run up and leave them open until a couple of minutes after I've reached level off. By closing them, your CHT'S will climb so you need all the air going through the cowl while taxiing and climbing.

it adds 3-4kts to your cruise speed by keeping them closed so the mechanical adjustment is worthwhile. Plus, you want to keep them close during descent so you don't "shock cool" the cylinders coming down. Too much temp change during descent can possibly hurt them. It's a point of contention with full scale pilots but hard to ignore.

hope this helps

John
Old 11-14-2016, 02:14 PM
  #1835  
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Hello, it is a autonoom working arduino, that measures the 2 engine cylinders temp., powered with the same source (BEC) of the Powerbox sparkswich. There are 3 setups: 1= Always open, 2= automatic , 3= 5seconds for 100% closed position.
A swich gives me the choice between option 1 or 2.
position 1 is simpel: Always 100% open.
position 2= automatic function: cowl flaps are closed with a cold engine. At >40°C engine temp, they start with opening. At >65°C the flaps are 100% open.
option 3: if the engine is cut off, and it is a very warm and Sunny day, the cowl flaps will close slowely like the engine temperature drpps slowely. If for any reason, I need to close the cowl flaps urgently, I can press a button so the cowl flaps will close for 5 seconds. Once the BEC is swiched of, the cowl flaps stay closed. If the BEC is not shut off, after 5 seconds, the auto.function will resume and the cowl flaps take their position in order of the engine temp. (expl: 50°C is +/- 50% open cowl flaps)

WHY ?? First reason is that the engine will be much faster "warm". I have seen (twice !) a 3W engine stall after a takeoff when towing gliders . The time between cold start, 2 seconds checking on full trotle, and then departure with a glider behind the towplane, was to much for the engine, and it stopped after 10 seconds full power and hanging 5 meter in the air..... Second reason: Those opend cowl flaps are not so pretty to look at, but you need them anyway... Third reason: It is soo cooolll

It is possible to adjust the opening temperature, and the maximum temp for the 100% open position. If one of the sensors breaks of, the cowl flaps are 100% opened. The hottest sensor rules.
I hope you can understand my explanation. My apology for the poor english...
Old 11-15-2016, 07:47 AM
  #1836  
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Originally Posted by MW1973
Hello, it is a autonoom working arduino, that measures the 2 engine cylinders temp., powered with the same source (BEC) of the Powerbox sparkswich. There are 3 setups: 1= Always open, 2= automatic , 3= 5seconds for 100% closed position.
A swich gives me the choice between option 1 or 2.
position 1 is simpel: Always 100% open.
position 2= automatic function: cowl flaps are closed with a cold engine. At >40°C engine temp, they start with opening. At >65°C the flaps are 100% open.
option 3: if the engine is cut off, and it is a very warm and Sunny day, the cowl flaps will close slowely like the engine temperature drpps slowely. If for any reason, I need to close the cowl flaps urgently, I can press a button so the cowl flaps will close for 5 seconds. Once the BEC is swiched of, the cowl flaps stay closed. If the BEC is not shut off, after 5 seconds, the auto.function will resume and the cowl flaps take their position in order of the engine temp. (expl: 50°C is +/- 50% open cowl flaps)

WHY ?? First reason is that the engine will be much faster "warm". I have seen (twice !) a 3W engine stall after a takeoff when towing gliders . The time between cold start, 2 seconds checking on full trotle, and then departure with a glider behind the towplane, was to much for the engine, and it stopped after 10 seconds full power and hanging 5 meter in the air..... Second reason: Those opend cowl flaps are not so pretty to look at, but you need them anyway... Third reason: It is soo cooolll

It is possible to adjust the opening temperature, and the maximum temp for the 100% open position. If one of the sensors breaks of, the cowl flaps are 100% opened. The hottest sensor rules.
I hope you can understand my explanation. My apology for the poor english...
Impressive MW1973! Hope to see internal pictures of the cowl flap mechanism...
Old 11-20-2016, 12:11 PM
  #1837  
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like this..
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Old 11-20-2016, 12:14 PM
  #1838  
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Originally Posted by TSHARK203
Very nice mod on the cowl flaps. Do you have a picture of the inside. I would love to see how you did it. Working on my 5th one now. I figure it has been sitting long enough. Most off all the surfaces are setup. Working on the new lights then the cockpit.
5the one ???!!
Old 11-21-2016, 11:07 AM
  #1839  
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Originally Posted by MW1973
like this..
Yup... Thanks for sharing. I'll have mine done similarly.
Old 03-27-2017, 11:36 AM
  #1840  
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....and finaly the MAIDEN !!!

https://youtu.be/IW25bQO5HjE
Old 03-27-2017, 01:23 PM
  #1841  
spidernad
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Very Nice! Makes me miss mine.
Old 06-21-2017, 08:27 AM
  #1842  
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Zack's TMMY Scale composite Cessna 182


Cheers!
Desert Fox 1
Old 06-21-2017, 10:50 AM
  #1843  
MW1973
 
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Congratulations with your Cessna. The color scheme is very familiar to me . But, .... what did you do with the nose wheel? That is far too high?
Old 06-21-2017, 04:22 PM
  #1844  
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Default Cessna182

I put the nose wheel slightly high due to a use a bigger engine DLE 170 and a 32/10 prop just to make sure it clear the ground. Also when it start rolling it goes down. And with the weight I still had to use 5 pounds of weight to balance it
Old 06-22-2017, 10:51 AM
  #1845  
MW1973
 
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Hello Zack,
I'me using a 3blade 31x13 . Plenty of space left.
This high angle during take-off makes it very difficult to land. Plane starts to jump ->more stress on the nose wheel -> soon failure of the nose wheel.

I'me trying to place a picture here, but somehow it doesn't work.
Old 06-22-2017, 11:05 AM
  #1846  
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some pictures. Your plane in the back at TMMY.
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Old 06-22-2017, 11:09 AM
  #1847  
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Time to work.
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Old 06-22-2017, 06:43 PM
  #1848  
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Nice.... your plane was made the same time mines was. Where do you fly. What size engine you have.
Old 06-25-2017, 09:26 AM
  #1849  
MW1973
 
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ZDZ 180 + MTW silencers.
Old 09-07-2017, 10:56 PM
  #1850  
Sergey Alekseev
 
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I'm selling an airplane model Cessna-182 (4 m), the Tommy factory from Thailand.
History of the model - www.rccontrol.ru ? ???????? ???? - 4-? ???????? Cessna-182 (35%) ??? ? ???????????!!!
Location - Krasnodar, Russia. The price is $ 2500 + shipping.

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