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Defroster-system?

 
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alfolavf(at)online.no
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PostPosted: Sun Feb 19, 2006 11:43 am    Post subject: Defroster-system? Reply with quote

Hi all!

Thanks for the inputs on the new wing tip landing lights! I'll go for the LE landing lights then.

I've another one for you:
In addition to the cabin heat, I also need a way to send warm air to the windshield, in other words a defrost system.

I was thinking that maybe I could mount an "Y" coupling on the hose supplying cabin heat and route warm air from the "Y" intersection to the windshield, if I cut out some long slots in the area just below the windshield. (almost like a car)

How has other builders living in cold areas solved this?
While I'm at it:

I saw that there's some "hatches" for extra fresh air that can be installed in the forward portion of the fuselage which can be used on warm days.
Anyone have any experience with this?
Is the fresh air intakes which comes with the kit inadequate?

Here I'm asking RV-operaters who's flying in weather conditions like Norway: summer temps mostly around 20-25 degrees celcius (approx 65-75 fahrenheit)

Best regards Alf Olav Frog / Norway


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N67BT(at)aol.com
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PostPosted: Sun Feb 19, 2006 5:05 pm    Post subject: Defroster-system? Reply with quote

Quote:
I used a small computer type fan mounted to the louvered cabin heat panel.  Not flying yet so I don't know how well it will work.  I used round aluminum flanges at both ends of the SCAT duct. See:   http://users.aol.com/n67bt/defrostfan.htm
 
Bob Trumpfheller
<<I've another one for you:
In addition to the cabin heat, I also need a way to send warm air to the windshield, in other words a defrost system.

I was thinking that maybe I could mount an "Y" coupling on the hose supplying cabin heat and route warm air from the "Y" intersection to the windshield, if I cut out some long slots in the area just below the windshield. (almost like a car)

How has other builders living in cold areas solved this?>>



 


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shaun-s(at)sbcglobal.net
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PostPosted: Sun Feb 19, 2006 5:54 pm    Post subject: Defroster-system? Reply with quote

i wish to opt out

N67BT(at)aol.com wrote:
Quote:
Quote:
I used a small computer type fan mounted to the louvered cabin heat panel.  Not flying yet so I don't know how well it will work.  I used round aluminum flanges at both ends of the SCAT duct. See:   http://users.aol.com/n67bt/defrostfan.htm
 
Bob Trumpfheller
<<I've another one for you:
In addition to the cabin heat, I also need a way to send warm air to the windshield, in other words a defrost system.

I was thinking that maybe I could mount an "Y" coupling on the hose supplying cabin heat and route warm air from the "Y" intersection to the windshield, if I cut out some long slots in the area just below the windshield. (almost like a car)

How has other builders living in cold areas solved this?>>



 


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rv6capt(at)pacificcoast.n
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PostPosted: Mon Feb 20, 2006 7:36 am    Post subject: Defroster-system? Reply with quote

I live in Canada and have no problems with heat or need for a defroster.
The coldest that I have flown in has only been -23c.

Cheers
Norman
Shaun Smith wrote:

Quote:
i wish to opt out

*/N67BT(at)aol.com/* wrote:

I used a small computer type fan mounted to the louvered cabin
heat panel. Not flying yet so I don't know how well it will
work. I used round aluminum flanges at both ends of the SCAT
duct.

See: http://users.aol.com/n67bt/defrostfan.htm

Bob Trumpfheller

<<I've another one for you:
In addition to the cabin heat, I also need a way to send warm
air to the windshield, in other words a defrost system.

I was thinking that maybe I could mount an "Y" coupling on the
hose supplying cabin heat and route warm air from the "Y"
intersection to the windshield, if I cut out some long slots
in the area just below the windshield. (almost like a car)

How has other builders living in cold areas solved this?>>



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rv-9a-online(at)telus.net
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PostPosted: Mon Feb 20, 2006 9:28 am    Post subject: Defroster-system? Reply with quote

Norman Younie wrote:
Quote:


I live in Canada and have no problems with heat or need for a defroster.
The coldest that I have flown in has only been -23c.

Cheers
Norman


Geez, Norman, Victoria doesn't really count as a cold climate! Your
lucky if you get frost for a week a year.

I assume, though that you make trips to the interior where it's colder.

By the way, are your daffodils blooming yet Smile?

Vern Little
9A (White Rock)

do not archive


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rv6capt(at)pacificcoast.n
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PostPosted: Mon Feb 20, 2006 10:00 am    Post subject: Defroster-system? Reply with quote

My daffodils are all done for the year, although there are still lots of
them around. The trees in town are all in full bloom. I saw a bunch of
roses in full bloom yesterday and the tulips are blooming. Yes I fly
across to Alberta and as you know it gets cold there.

Cheers

Vern Little wrote:

Quote:


Norman Younie wrote:

>
>
> I live in Canada and have no problems with heat or need for a
> defroster. The coldest that I have flown in has only been -23c.
>
> Cheers
> Norman
>

Geez, Norman, Victoria doesn't really count as a cold climate! Your
lucky if you get frost for a week a year.

I assume, though that you make trips to the interior where it's colder.

By the way, are your daffodils blooming yet Smile?

Vern Little
9A (White Rock)

do not archive

http://www.matronics.com/Navigator?RV7-List




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cgreimer(at)mts.net
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PostPosted: Sun Feb 26, 2006 12:39 pm    Post subject: Defroster-system? Reply with quote

Quote:
I've another one for you:
In addition to the cabin heat, I also need a way to send warm air to the
windshield, in other words a defrost system.

I was thinking that maybe I could mount an "Y" coupling on the hose
supplying cabin heat and route warm air from the "Y" intersection to the
windshield, if I cut out some long slots in the area just below the
windshield. (almost like a car)

How has other builders living in cold areas solved this?

I regularly fly in cold temps with my RV-6. I have the dual muffin fan
defroster setup with no hot air feed. I run the fans at anything below 10C

0C and above - canopy and windshield stay relativly clear at all times.

0C to -10C - canopy will fog up during startup and taxi but fans keep the
windshield clear. Once in the air the rest of the canopy will quickly clear
and stay that way until on the ground

-10 to -20C - canopy and windshield will fog up during startup but usually
the fans will keep a small viewing area clear. I need to rub the frost off
the side windows to see adequately during taxi and takeoff. Once in the air
the canopy gradually clears.

-30C and below - the heating/defrost system has a hard time coping but with
cruise power the windshield will become mostly clear. The side windows
require constant manual clearing.

This is all with one person on board as I don't carry a lot of passengers in
winter.

One critical thing is not to overheat yourself and start sweating before
entering the cockpit. If I need to clear snow from the hangar or anything
physical, I'll cool down for awhile before getting in. I usually keep the
canopy cracked until the engine is running, then I open the air vents to
keep the air flowing until I'm ready for takeoff. You dont get any engine
heat at idle anyway.

Curt
RV-6 C-GACR
375 hours
Winnipeg, Canada


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