Good day.
Thank you Larry and John for your contribution about the turbo. I agree will 
all that was said, although it will be nice to have the extra speed and power 
as I'm a bit of a speed junkey.
Regards
Tiekie



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________________________________
From: KRnet <[email protected]> on behalf of Larry Flesner via KRnet 
<[email protected]>
Sent: Sunday, August 10, 2025 10:54:02 PM
To: [email protected] <[email protected]>
Cc: Larry Flesner <[email protected]>
Subject: Re: KRnet> 2L VW/ Turbo



Tiekie,

Not sure what Paul meant by "a constant speed" but it sounds like you are 
unhappy with the performance of the KR (too little power).

Options:

1. Install a bigger engine

2. Reduce the weight of the airplane. Probably not an option.

3. Turbo the one installed.

Concerns: Over heating and / or over-stressing the engine to failure

Fixes:  Install an oil cooler or a second oil cooler if you already have one. 
Install a plenum for better cylinder cooling or otherwise modify the cowl.  You 
would also want a positive "boost" control so you don't over-boost.  The boost 
is most effective at full throttle and/or altitude as below full throttle 
setting you can control engine output with throttle setting and at altitude 
where you can keep the manifold pressure at "sea level" or greater for maximum 
output.

There is no such thing as a free lunch.  Calculate the cost and effort of each 
option and see which one wins.  Of course, the cheapest option is to fly it as 
it is.

Larry Flesner


==================================================================================================

On 8/10/2025 3:19 PM, Paul V via KRnet wrote:

I have heard that tp benefit from a turbo you would need to have a constant 
speed. Because your max RPMs don’t change you’re still limited on RPM.
Paul
Sent from my iPhone
======================================================================================================
On Aug 10, 2025, at 1:36 PM, tiekie bernardus via KRnet 
<[email protected]><mailto:[email protected]> wrote:
Hi Everyone.
Im thinking to install a turbo in my latest KR2 that i have completed. Im very 
hesitant to do that, as im sure i will run into oil cooling problems as the 
engine have to work harder therefore more heat is generated.
Any advice would be appreciated whether to go that root or not. Im sure in the 
long run i will run into problems with the engine.
Best Regards
Tiekie

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