Today's Message Index:
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1. 01:56 AM - Re: 914 wiring install (Robert C Harrison)
2. 04:12 AM - Re: 914 wiring install (Gilles Thesee)
3. 06:15 AM - Re: Re: EVANS coolant (Kevin Klinefelter)
4. 08:13 AM - Re: EVANS coolant (Roger Lee)
Message 1
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| Subject: | 914 wiring install |
Hi! Tracy,
I have put an insulated box on the P1 Footwell and the Waste Gate Servo
together with the Regulator box are installed there. I have a 3/4" cold
air bleed off from the intake cooling air feeding into the insulated box
which is allowed to leek out against the footwell. I haven't ever seen
more than 35 deg C soon after parking so make a point of opening the
cowl top rad and oil filler hatches. In flight the temps are not giving
any concern.
This location is best suited to the least curve of the waste gate
control cable.
Regards
Bob Harrison G-PTAG Europa MK1 Trike re-engined with a 914 c/w
intercooler in place of a Jabiru 3300.
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Tracy
Sent: 09 April 2008 00:29
Subject: RotaxEngines-List: 914 wiring install
hello im puting a 914 in a 701,the books says not to put the control
box and waste gate servo in the engine compartment.
can I unhook the cotroler box and install under panel?
has anyone put them under cowl?
any other helpful hints for that install??
Message 2
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| Subject: | Re: 914 wiring install |
Tracy a crit :
>
> hello im puting a 914 in a 701,the books says not to put the control box and
waste gate servo in the engine compartment.
> can I unhook the cotroler box and install under panel?
>
Tracy,
Indeed, you should.
The TCU control box comes in the crate, and is connected to the engine
with an easy to disconnect connector.
> has anyone put them under cowl?
>
The 914 turbo releases a lot of heat under the cowl, so you may want to
install it as per the manual.
> any other helpful hints for that install??
>
Some info on Contrails.
Best regards,
--
Gilles
http://contrails.free.fr
Message 3
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| Subject: | Re: EVANS coolant |
What is the max CHT and coolant temp when using Evans?
Roger Lee wrote:
>
> Hi Guys,
>
> The orange coolant is a premix 50/50 and not Evans. The blue factory coolant
used by many dealers is Dex-Cool. Do not mix other coolants with Dex-Cool, it
doesn't play well with some other coolants. Some might mix, but others have reactions.
Dex-cool is a 60/40 mix as well. This would be better diluted a little
to a 50/50. Use only distilled water when putting water into your system.
> I have used Evans for years and I put it in my Flight Design CT. I like Evans,
but in my CT it wasn't the right choice. This increased my CHT temps by 30f-40f.
Evans will state this in the literature. This caused me to over heat in the
warmer months. Water will absorb and transfer heat at a better rate. Your 50/50
coolant is good for temps up to a max of 275F and Evans is good up to a max
of 375F. The reason for Evans is that some Rotax installations do overheat
and boil over or run too high a temp during normal operations. If the temps rise
too high then a couple of spots in the engine may vaporize the coolant and
then that area would over heat and cause damage.
> You do not have to use Evans. You have the option as per the SB to install a
coolant gage and use 248F for a new max CHT temp. This may be a better option
in some cases. I live in the desert and in the summer the Evans caused overheating
at times. I was forced to go back to 50/50 to keep my CHT temps down. I do
not have that over heat issue any longer during the warm months.
> If you switch to Evans you will need to buy a gal of the prep and flush your
system. One gal. of Evans coolant will be enough. Cost for Evans coolant is about
$25 a gal.
> If you have a Dynon D120 it is capable of reading a coolant sensor.
>
> Hope this help some,
>
> --------
> Roger Lee
> Tucson, Az.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=175662#175662
>
>
>
Message 4
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| Subject: | Re: EVANS coolant |
Hi Guys,
Read this and it will explain alot.
Keeping Cool by Phil Lockwood
http://www.sportpilot.org/magazine/feature/2005%20-%2001%20January%20-%20Power%20On%20-%20Keeping%20Cool.pdf
--------
Roger Lee
Tucson, Az.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=175704#175704
Attachments:
http://forums.matronics.com//files/2005percent20_percent2001percent20januarypercent20_percent20powerpercent20onpercent20_percent20keepingpercent20cool_949.pdf
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