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Aviation Forum / General / Homebuilt / January 2007



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Can you dry sump a type1 VW engine?

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Fonz - 24 Jan 2007 03:03 GMT
God  Morning all.
Brief question.  Is is possible (has it been done), to dry sump a type1 VW
engine, such as the one marketed by great planes?  The use, inverted flight,
and mild -ve Gs.
Thanks in advance for any replies.
Rob.
Melbourne Australia.
Anthony W - 24 Jan 2007 07:46 GMT
> God  Morning all.
> Brief question.  Is is possible (has it been done), to dry sump a type1 VW
[quoted text clipped - 3 lines]
> Rob.
> Melbourne Australia.

I don't know about inverted but VW hot rodders have been dry sumpping
aircooled VW engines for many years.  The kits used to be readily
available but I haven't looked for one in many years...

Tony
Jarhead - 24 Jan 2007 15:34 GMT
| God  Morning all.
| Brief question.  Is is possible (has it been done), to dry sump a type1 VW
[quoted text clipped - 3 lines]
| Rob.
| Melbourne Australia.

A quick search provided this link:
http://users.lmi.net/~ryoung/Sonerai/Inverted_oil_for_VW_aeroen.html
EAA has a link too, but I am no longer a member and couldn't access it.
There is a Australian VW group called VeeDub that may be of help to you.

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Jarhead

flybynightkarmarepair - 24 Jan 2007 23:09 GMT
> | Brief question.  Is is possible (has it been done), to dry sump a
> type1 VW
[quoted text clipped - 8 lines]
> EAA has a link too, but I am no longer a member and couldn't access it.
> There is a Australian VW group called VeeDub that may be of help to you.

Everything I wrote about the subject in the referenced link still
applies, but I didn't mention you'll need to figure out a way to get
oil out of the top of the engine case, and possibly also the valve
covers, and run it to the shuttle valve.  Not For Beginners.
clare at snyder.on.ca - 25 Jan 2007 17:29 GMT
>> | Brief question.  Is is possible (has it been done), to dry sump a
>> type1 VW
[quoted text clipped - 13 lines]
>oil out of the top of the engine case, and possibly also the valve
>covers, and run it to the shuttle valve.  Not For Beginners.
Without adding a proper seal to the pulley end of the shaft you can't
implement the "rotax dry sump" solution. It works good on Soobs and
'Zooks etc.

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veeduber@isp.com - 24 Jan 2007 18:57 GMT
>   Is is possible (has it been done), to dry sump a type1 VW
> engine, such as the one marketed by great planes?
-------------------------------------------------------------------------------------------

Yes.  In fact, it's a standard procedure for high-output engines based
on after-market VW components installed in dragsters.

------------------------------------------------------------------------------------------

> The use, inverted flight,
> and mild -ve Gs.
-----------------------------------------------------------------------------------------

Entirely different subject, if you mean sustained flight whilst
inverted or knife-edged.  Not that it can't be done but that weight &
cost of doing so is generally impractical for such a small engine.

-R.S.Hoover
Fonz - 27 Jan 2007 07:28 GMT
Thanks for all replies and links
Rob
Melbourne Australia.

>>   Is is possible (has it been done), to dry sump a type1 VW
>> engine, such as the one marketed by great planes?
[quoted text clipped - 14 lines]
>
> -R.S.Hoover
 
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