Richard,
I agree with you. As long as we can monitor our CHT and Water temp (through
the Skydrive Unit) then there is no problem with the 50/50 coolant.
I have no problem with that as my CHT does not ever get above 95 C.
Tim
Tim Ward
12 Waiwetu Street,
Fendalton,
Christchurch, 8052
New Zealand
Ph +64 3 3515166
Mobile 021 0640221
ward.t@xtra.co.nz
----- Original Message -----
From: "Richard Holder" <rholder@avnet.co.uk>
Sent: Saturday, January 13, 2007 4:46 AM
Subject: Europa-List: New AD on Rotax with Evans NPG+
>
>> A mandatory AD for Stemme motorgliders with Rotax
>> engines
>
> effectively banning Evans coolant as it is imflammable !
>
> Simon Smith wrote:
>
>> This is not new. We discussed this back in October when
>> it first came out.
>
> I think we have a case of the right hand and the left hand
> not knowing about each other as Rotax have just issued (Nov) :
>
> SB-912-043 R2
>
> Which allows Evans almost without limit and makes some
> onerous conditions for the use of 50-50 water/antifreeze.
> It is mandatory if using 50-50 to have a water temperature
> gauge as well as a CHT gauge. However it is only mandatory
> to have it done by Dec 2007.
>
> My thinking is that the two authorities will come to some
> conclusion one day and that conclusion could be anywhere
> from one extreme to the other.
>
> Nor am I sure that whether mandatory applies to an
> uncertified engine in a PFA aircraft even though the SB
> does mention the 912ULS engine.
>
> My 50-50 is watched very carefully and I have an
> undercooling problem rather than an overcooling one so I
> plan to wait until the end of the year before I even
> consider doing anything about it !
>
> Richard
> G-OWWW High Cross
>
>
>
|