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Zenair CH2000 exhaust systems, windows, & canopy covers?

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tya2(at)4-fly.net
Guest

Posted: Tue Aug 08, 2006 7:11 am Post subject: Zenair CH2000 exhaust systems, windows, & canopy covers?

Dear Steve, & others,



         After 2 weeks of 601 and 701 talk it is nice to hear from someone 

talking about a CH2000 or a Ch640.   My CH2000 is s/n 10 so it is very 

early in the production run.   I just got the bad news today from Zenair 

Canada that I have to go a 1 piece exhaust system.   I have been flying for 

a long time and I hate those 1 piece systems.   They are a pig to get off 

because the induction system is in the way.   In Canada we are always 

having to pressure test them for leaks because of the cabin heat 

system.   A two piece system is easy to remove, only 1 side needs to be 

checked and the system is much easier to work on.



         Does anyone on the list have access to the right side exhaust 

system, preferably undamaged and tagged serviceable?



         Thanks to whoever posted the reference to the CH640 and its 

relationship to the CH2000.   I spent last evening going through the CH640 

construction photos.   Much of the door and window construction is 

identical to the CH2000.  There are a few exceptions and they relate to the 

upper cabin and windows.   I certainly wish I had a baggage compartment 

rather than a shelf.   I called Zenair in Midland today and they are going 

to see what they have for early model CH2000 windows in stock.   All 5 of 

mine appear to have stress fractures when you look through them.   The 

factory said they are lexan and a different material than the new Alarus 

windows.



         The factory said the problem with windows has been UV light and 

they offered a canopy cover at the beginning but didn't sell very many and 

now no longer offer it for sale.   I asked if they were available from 

their supplier, they would have to see.   Anyone else have a CH 2000 canopy 

cover for sale? or that could be loaned out as a pattern?   What about a 

tow bar?  Is there a CH2000 tow bar available?  How much and from which 

operation Midland, Mexico Missouri, or Georgia?



Thanks for your help



CH2000

Edmonton Alberta



At 07:28 AM 8/8/2006 -0700, you wrote:

 	  Quote: 	
		  



I have a CH640 which has an identical canopy to the Alarus. I know they 

changed the canopy at some point when they started calling it an "Alarus" 

model, which is similar to what I have. The windscreen and the door 

windows are plexiglass, and the rear windows are lexan. I don't know if 

the earlier models had lexan in the door. Lexan scratches really easily, 

and I would bet that they weren't babied when used as a trainer. Mines 

only been flying for a little over a year, but the windows don't have any 

sratches. I also am very careful when cleaning the lexan because it is so 

soft. Being a certified plane, I think your options might be pretty 

limited as far as replacing the lexan with plexiglass. I don't think there 

is any difference between the plexi that they use for the windscreen and 

door windows and what they use in other aircraft. In fact I think they get 

them from LP Aeroplastics, which makes windows for numerous aircraft.



Changing out the rear windows is simple and cheap; I scratched one badly 

trying to get some paint off it during the build and had to change it out. 

All you need is a sheet of lexan cut to size and a handfull of rivets. The 

door windows and windscreen would be a lot more work, since they are 

epoxied in place, and need to be already formed to fit the aircraft. You 

might try calling LP Aeroplastics to see if they do indeed carry the 

windows and windshield  for the CH2000.





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=53339#53339

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steveadams

Joined: 10 Jan 2006
Posts: 191

Posted: Wed Aug 09, 2006 4:27 am Post subject: Re: Zenair CH2000 exhaust systems, windows, & canopy cov

Hello,

Actually the one piece exhaust is not so bad. I can send a few pics privately if you'd like. At least on the 0-360, there is just enough room to take it off without removing the airbox. It also has a single 2 piece heat shroud which is easy to remove (without removing the exhaust system) to inspect the muffler for cracks and leaks, so I would assume pressure testing is not required. Both carb heat and cabin heat come off the same shroud. The following service letters concern the newer exhaust system and heat shroud.



http://www.newplane.com/Service_Letters_Bulletines/Service%20letter%20May-10-03.pdf



http://www.newplane.com/Service_Letters_Bulletines/09-24-02.pdf

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