[Fot] Auxiliary Oil Line Size

[Bill]

You could certainly try smaller, but -8 is a convenient size for all the fittings involved, both on the accusump and what you would likely connect to the engine. A 1/4-18 NPT to -8 fitting is easy to fit into a galley hole with minimal drilling and tapping.  You also have a bigger galley than you might realize. the TR3 galley is about 3/8” and has four 5/32” (roughly) feeders coming off it. At least that my recollection. You don’t want to create flow restrictions at the source—if you have them you want them at the receiving end. 
> On Aug 15, 2016, at 6:28 PM, Greg Blake <gblake58tr3 at icloud.com> wrote:
> 
> That's what I do as well. 
> 
> Sent from my iPhone
> 
> On Aug 15, 2016, at 7:54 PM, Peter Vucinic <pvucinic at netspace.net.au <mailto:pvucinic at netspace.net.au>> wrote:
> 
>> I run -8. It's only a pre-oiler or top up for surge. Goes straight into the side gallery in block which is about 1/2 diameter anyway
>> 
>> Regards
>> Peter Vucinic
>> CBA Rotative Engineers
>> Sent from Mobile Phone
>> 
>> On 16 Aug 2016, at 7:01 AM, Ashley Page <apage at prosystembrakes.com <mailto:apage at prosystembrakes.com>> wrote:
>> 
>>>  
>>> Don't know a lot about engine oil systems but question why the accusump lines need to be any larger than the oil passages in the engine? Why wouldn't a -4 or -6 be plenty large enough? 
>>> If the canister is in the trunk with the fuel cell then larger (-8 or -10) could be run to the firewall and the smaller lines from the firewall to the engine - smaller = more flexible and easier to route and also lighter and less expensive. 
>>> Just throwing out the question. 
>>> 
>>> 
>>> Sent from my iPhone
>>> 
>>> On Aug 15, 2016, at 2:24 PM, STEPHEN BOROWSKI <biznzman at pacbell.net <mailto:biznzman at pacbell.net>> wrote:
>>> 
>>>> Hello Marty,
>>>> I'm starting to install mine. First thing is to tap the oil galley on the block. I believe 9/16 NPT so it would take a #6 adapter with a #8 size hose attached to it, which I believe is 3/4 inside dia.
>>>> 
>>>> If you don't tap the block for the return line you don't get the advantage of the accusump when your going through the turns and experience short term oil pump cavitation.
>>>> 
>>>> 
>>>> On Monday, August 15, 2016 1:44 PM, marty <trmarty at hotmail.com <mailto:trmarty at hotmail.com>> wrote:
>>>> 
>>>> 
>>>> What size braided lines are you folks running for your accusumps, oil coolers, remote oil filters? 
>>>>  
>>>> Thanks,
>>>> Marty
>>>> 
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