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engine pre-oiler



 
 
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  #1  
Old December 23rd 07, 08:13 PM posted to rec.aviation.homebuilt
Stuart & Kathryn Fields
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Posts: 328
Default engine pre-oiler

I'm thinking about using an electric diesel fuel pump to pressurize my 0320
with engine oil to pre-lube before starting. Have any of you tried that?
The accumulator method is heavier than I want to use.


  #2  
Old December 24th 07, 02:50 AM posted to rec.aviation.homebuilt
jerry wass
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Posts: 180
Default engine pre-oiler

Get a used fuel pump from an older VW CFI (constant fuel injection) auto
--they put up 70 psi constantly---ought to last a long time pumpin oil--
just draw up high enough to not get any of the settlin's outa the sump.--
the older ones were frame mounted just ahead of the gas tank in a big
rubber jacket--about 4"x4"x8"---or you could just put quick disconnect
fittings on the plane & leave the pump in the hangar. (that's what I did
with my 855 Cummins.

Stuart & Kathryn Fields wrote:
I'm thinking about using an electric diesel fuel pump to pressurize my 0320
with engine oil to pre-lube before starting. Have any of you tried that?
The accumulator method is heavier than I want to use.


  #3  
Old December 24th 07, 10:09 AM posted to rec.aviation.homebuilt
Stealth Pilot[_2_]
external usenet poster
 
Posts: 846
Default engine pre-oiler

On Mon, 24 Dec 2007 02:50:23 GMT, Jerry Wass
wrote:

Get a used fuel pump from an older VW CFI (constant fuel injection) auto
--they put up 70 psi constantly---ought to last a long time pumpin oil--
just draw up high enough to not get any of the settlin's outa the sump.--
the older ones were frame mounted just ahead of the gas tank in a big
rubber jacket--about 4"x4"x8"---or you could just put quick disconnect
fittings on the plane & leave the pump in the hangar. (that's what I did
with my 855 Cummins.



what aeroplane did you have powered by an 855 Cummins?
it must have handled like a truck.
just curious.

Stealth Pilot

  #4  
Old December 24th 07, 04:06 AM posted to rec.aviation.homebuilt
cavelamb himself[_4_]
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Posts: 474
Default engine pre-oiler

Stuart & Kathryn Fields wrote:

I'm thinking about using an electric diesel fuel pump to pressurize my 0320
with engine oil to pre-lube before starting. Have any of you tried that?
The accumulator method is heavier than I want to use.




What's it going to weigh, Stuart?
  #5  
Old December 24th 07, 12:17 PM posted to rec.aviation.homebuilt
oilsardine[_2_]
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Posts: 44
Default engine pre-oiler

Why not manually operated? Thought about the pump of my hydraulic jack (2
tons). The pump is very small.

"cavelamb himself" schrieb im Newsbeitrag
...
Stuart & Kathryn Fields wrote:

I'm thinking about using an electric diesel fuel pump to pressurize my
0320 with engine oil to pre-lube before starting. Have any of you tried
that? The accumulator method is heavier than I want to use.



What's it going to weigh, Stuart?



  #6  
Old December 24th 07, 07:22 PM posted to rec.aviation.homebuilt
stol
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Posts: 161
Default engine pre-oiler

On Dec 23, 1:13*pm, "Stuart & Kathryn Fields" wrote:
I'm thinking about using an electric diesel fuel pump to pressurize my 0320
with engine oil to pre-lube before starting. *Have any of you tried that?
The accumulator method is heavier than I want to use.


The Accusump accumulator set up is very simple and can't weigh that
much. Used them is alot of racecars and they are bulletproof.

Ben
www.haaspowerair.com
  #7  
Old December 24th 07, 08:25 PM posted to rec.aviation.homebuilt
cavelamb himself[_4_]
external usenet poster
 
Posts: 474
Default engine pre-oiler

stol wrote:

On Dec 23, 1:13 pm, "Stuart & Kathryn Fields" wrote:

I'm thinking about using an electric diesel fuel pump to pressurize my 0320
with engine oil to pre-lube before starting. Have any of you tried that?
The accumulator method is heavier than I want to use.



The Accusump accumulator set up is very simple and can't weigh that
much. Used them is alot of racecars and they are bulletproof.

Ben
www.haaspowerair.com



Oh no - the dreaded, "it can't weigh that much" syndrome!
  #8  
Old December 25th 07, 04:52 AM posted to rec.aviation.homebuilt
stol
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Posts: 161
Default engine pre-oiler

On Dec 24, 1:25*pm, cavelamb himself wrote:
stol wrote:
On Dec 23, 1:13 pm, "Stuart & Kathryn Fields" wrote:


I'm thinking about using an electric diesel fuel pump to pressurize my 0320
with engine oil to pre-lube before starting. *Have any of you tried that?
The accumulator method is heavier than I want to use.


The Accusump accumulator set up is very simple and can't weigh that
much. Used them is alot of racecars and they are bulletproof.


Ben
www.haaspowerair.com


Oh no - the dreaded, "it can't weigh that much" syndrome!


Yup.... afraid so.. :)
  #9  
Old December 26th 07, 02:36 AM posted to rec.aviation.homebuilt
jerry wass
external usenet poster
 
Posts: 180
Default engine pre-oiler

stol wrote:
On Dec 24, 1:25 pm, cavelamb himself wrote:
stol wrote:
On Dec 23, 1:13 pm, "Stuart & Kathryn Fields" wrote:
I'm thinking about using an electric diesel fuel pump to pressurize my 0320
with engine oil to pre-lube before starting. Have any of you tried that?
The accumulator method is heavier than I want to use.
The Accusump accumulator set up is very simple and can't weigh that
much. Used them is alot of racecars and they are bulletproof.
Ben
www.haaspowerair.com

Oh no - the dreaded, "it can't weigh that much" syndrome!


Yup.... afraid so.. :)


Like I said--one each male & female quick disconnect fitting doesn't
weigh as much as anything else that's been talked about so far---Then
you can use any kind of pump that satisfies your expectation, even a
quart reservoir with an electric heater in it--if need be. 'cause all
this stuff stays in the hangar anyhow. When you're through, plug the
disconnected hoses together & everything is all sealed up ,ready for the
next time. Jerry
  #10  
Old December 28th 07, 04:58 AM posted to rec.aviation.homebuilt
[email protected]
external usenet poster
 
Posts: 1,130
Default engine pre-oiler

On Dec 25, 7:36 pm, Jerry Wass wrote:
stol wrote:
On Dec 24, 1:25 pm, cavelamb himself wrote:
stol wrote:
On Dec 23, 1:13 pm, "Stuart & Kathryn Fields" wrote:
I'm thinking about using an electric diesel fuel pump to pressurize my 0320
with engine oil to pre-lube before starting. Have any of you tried that?
The accumulator method is heavier than I want to use.
The Accusump accumulator set up is very simple and can't weigh that
much. Used them is alot of racecars and they are bulletproof.
Ben
www.haaspowerair.com
Oh no - the dreaded, "it can't weigh that much" syndrome!


Yup.... afraid so.. :)


Like I said--one each male & female quick disconnect fitting doesn't
weigh as much as anything else that's been talked about so far---Then
you can use any kind of pump that satisfies your expectation, even a
quart reservoir with an electric heater in it--if need be. 'cause all
this stuff stays in the hangar anyhow. When you're through, plug the
disconnected hoses together & everything is all sealed up ,ready for the
next time. Jerry


I built my own manual preoiler for my A-65. Those older
Continentals have a habit of letting the oil pump drain dry past the
oil pump gear cover, even if every effort is made to get the thing
sealed up good and tight, and if that pump is dry it won't suck. No
prime, see, to close up the small gaps that leak air. So you get the
thing started and it knocks and clunks for a few seconds until you
understand that it ain't going to pump. Then you have to disconnect
the oil temperature bulb and pump oil into the screen where it'll run
down into the pump gears and prime them. Sooner ot later the front
bearings are shot from running dry too often.
Got tired of that. As a former machinist, I had no trouble
turning and milling a manual pump that draws oil from a fitting on the
tank filler neck (bent tube inside the neck that dips downward into
the oil) and pumps it via a couple of check valves and a needle
shutoff valve to the oil pressure nose fitting on the engine. It fills
the system backwards and the oil fills the pump, too. Pressure
instantly on start.
Don't ask me to build you one. No time, no wish for liability.
Waitaminnit: maybe, um, $2500?

Dan
 




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