REFLECTOR: Severely rough-running Franklin

[Andy Millin]

Hiroo,

Did you warm the engine before you drained the oil?  Just checking to see
that the problem did not exist before you changed the oil.

Andy 

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Dave Philipsen
Sent: Monday, October 30, 2006 10:58 AM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Severely rough-running Franklin

You can check this by doing a pressure check on the cylinders.  If you have
a leaky cylinder and you can hear the air coming out through the exhaust
pipe, it's probably a sticky valve.  On a Lycoming, you can see the
offending valve stem by removing the exhaust pipes and looking in through
the exhaust port.

Sometimes a sticky valve will unstick itself after the engine has warmed up.
Then it starts running smooth again after maybe 5-10 minutes.

Hiroo Umeno wrote:
> Will check for this.  I assume I will need to take the valve covers 
> off to check for this.
>
> ----------------------------------------------------------------------
> --
> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]
> *On Behalf Of *Richard Halsall
> *Sent:* Sunday, October 29, 2006 10:16 PM
> *To:* 'Velocity Aircraft Owners and Builders list'
> *Subject:* Re: REFLECTOR: Severely rough-running Franklin
>
> Hiroo
>
> Check for exhaust valves sticking.
>
> Richard W. Halsall
>
>  
>

--
Dave Philipsen
Velocity STD-FG
N83DP


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