Ive just looked at these>
http://www.demon-tweeks.co.uk/motorsport/fans-fan-kits/revotec-slimline-cooling-fans
various sizes.
Alan
> On 25 Aug 2016, at 15:55, david park <dpark748@icloud.com> wrote:
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> Can you give fan specs and where available!
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> Dave Park
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>> On 25 Aug 2016, at 15:22, Greg Fuchs <gregoryf.flyboy@comcast.net> wrote:
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>> I am implementing a cooling fan for ground running. No temp specs, since the
>> plane is in build....however, a cooling fan in similar arrangement works
>> great on my motorcycle, so I figured it might work well here. Its an
>> electric radiator fan for a quad Kart of of some sort, and covers approx.
>> half of the oil cooler. The oil cooler, though offset from the water cooler
>> (914 engine), is sealed to it in the area where they over-lap in front of
>> the fan to promote airflow through both radiators (sucking air through the
>> oil radiator will also do the same with the water radiaor...lots of work
>> here to create tight-fitting air dams). Having the two radiators tight with
>> each other will hopefully cut down on warm-up time during the winter as
>> well. The fan is lightweight, cheap, and only requires a wire run and
>> switch. Once verified to work, it will be made to be automatic on/off. For
>> extreme cooling situations in flight with the airflow pushing and the fans
>> pulling, the extra leverage 'seems' a no-brainer. I figure it won't windmill
>> much if at all in the airflow while off, due to the resistance to the air by
>> the radiators mounted in front of it. This arrangement would be much easier
>> to implement with the radiators in-line with each other, but the offset is
>> known to work well, and the decision had already been made. More data will
>> follow at some point..
>> Greg Fuchs
>> 914 TRI
>>
>> -----Original Message-----
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>> COOLING FAN FOR GROUND COOLING. Has any one experimented with a fan?
>>
>> Dave Park
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