HCRV6(at)comcast.net
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 Posted: Sun Nov 19, 2006 10:29 pm Post subject: [RV-8] Clearance between oil cooler and engine mount? |
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Kevin,
I have a scant 1/4 in. clearance between the body of my cooler and the engine mount after grinding away most of the cooler flange in a semi circle near the engine mount. As a precaution I installed a short length of breather hose over the mount at the potential contact point which reduced the clearance to about 1/8 in. So far I have not seen any evidence of contact.
Harry Crosby
RV-6 N16CX, 289 hours
-------------- Original message ----------------------
From: Kevin Horton <khorton01(at)rogers.com>
| Quote: |
The oil cooler is mounted on the baffle, so it moves with the
engine. I've reworked it a bit to get somewhere between 1/4" and
9/32". There is no way to get much more than that without a complete
redesign of the mounting arrangement. My mount is more complex than
most, as it incorporates a sliding door to control the incoming air
flow. I don't want to redo the mount if I don't need to.
I've had several responses from people who had 3/16" to 1/4"
clearance with no reported problems, so I'm going to try out what
I've got. The cooler is aluminum, and the mount is steel, so I don't
think any contact will hurt the mount, other than damage the paint.
Obviously repeated contact wouldn't be good for the cooler, so I'll
pay close attention to this area until I have some time on the aircraft.
Thank you very much to everyone who responded.
Kevin
On 17 Nov 2006, at 17:14, David Brand wrote:
> Kevin,
> Is your cooler mounted on your baffle so that it moves with the
> engine,
> or is it a stationary mount as in attached to your engine mount? If
> the
> former, depending how far out from the center line of the engine it
> is,
> I`d give it at least half an inch, more if you can get it. If
> stationary,
> I think the existing 3/16 should be OK. Dave Brand N254LF
>
> --- Kevin Horton wrote:
>
>> The oil cooler on my IO-360-A1B6 is hung a bit aft of the baffles on
>> the left side, and I don't have a lot of clearance between the oil
>> cooler flange and the engine mount. I have trimmed the flange to get
>> about 3/16" clearance between the oil cooler and engine mount, but
>> wonder if that is enough. I'd appreciate any advice from those with
>> flying aircraft.
>>
>> Thanks,
>>
>> Kevin Horton RV-8 (finishing kit)
>> Ottawa, Canada
>> http://www.kilohotel.com/rv8
>>
>>
>
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