REFLECTOR: Fire Retardant Paint & Detectors

[Chuck Harbert]

Scott, I saw a bunch of mfgs of intumescent fire retardant paints, but the 
following outdfit had both UL and FM (I worked for Factory Mutual for 34 
yrs) approvals using the latest and toughest tests, so I'd use theirs if 
it's available. You need less than a gallon, for the engine bay. I'm not 
saying that the others won't work fine (I used Ocean from Aircraft Spruce), 
but they didn't have  the testing approvals.

The Eclipse halon substitute system looks very promising. I'll send the 
article to FM labs for comment. Unfortunately, I think it will cost a lot of 
money for Eclipse's proprietary system (if you could even get one).

I don't think an ionization detector would work in the engine compartment 
because of the high airflow, but a simple temp probe (400-500 degF) would 
tell you if you're on fire. You could conceivably use an ionization sensor 
in the cabin, but you'll know about the same time the detector tells you, so 
I wouldn't go to the effort.

Chuck

> ------------------------------
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 >
> This looks interesting
>
> http://www.hytechsales.com/fire_proofing.html
>
> Scott
>
>> At 12:09 AM 9/7/05, you wrote:
>>
>>>Someone asked about UV detectors and yes, they don't work on smoke.
>>>The industry uses ionazation (aka products of combustion) detectors
>>>which will do both flame and smoke.
>>
>> Do you have any part numbers or suppliers?
>>
>>>  Fortunately, the fire did little damage because the interior of
>>> the engine compartment was painted with fire retardant
>>> (intumescent) paint. I would highly recomend you do this especially
>>> to your wing roots.
>>
>> Same question - what did you use?
>>
>>>They now have a couple of Halon substitutes, but they're very
>>>expensive and take twice the volume.
>>
>> There's a new one on the horizon - if it's as good as it's claimed,
>> it will be VERY impressive
>>
>> http://www.eclipseaviation.com/inthenews/detail_05.htm?content_id=875
>>
>> In the meantime, the best source for Halon extinguishers I've found
>> is on Ebay.  As a safety obsessive, I have a halon and a foam
>> extinguisher in every room in my house, and in the trunk of every
>> car.  (and yes, people ask why I have 2 extinguishers in my
>> kitchen.  I don't show them the bedroom closets)
>>