Larry, have been trying for ages to get the damn thing (nose gear door) to close properly. I replaced the valve assembly some time ago but the spool valve orientation was never verified as correct so I still have to do this as it apparently can produce a weak retraction although my guage is still reading 1500 psi on the up side.

From memory the problem first manifested itself shortly after the valve assembly was replaced, as a buzzing noise from outside, which I eventually (through the process of elimination and ground observers) tracked to the nose gear door not closing and thus catching the airflow at higher airspeeds. All leaks have been fixed (cylinders replaced and sequence valves replaced) which appeard to temporarily correct the problem. This was short lived however. ANother possibilty is perhaps tiny bits of hose breaking off and blocking the spool valve. My hose is over 10 years old..am sure there are better qualitiy availabe other the the original lancair issue stuff (circa 1990) which I'm told wasn't that great to begin with.
--
Gerard O Connell
Melbourne, Australia
VH-LPD (LNC2)

--------- Original Message --------
From: "Lancair Mailing List" <lml@lancaironline.net>
To: "Lancair Mailing List" <lml@lancaironline.net>
Subject: [LML] Re: removing gear doors
Date: 27/03/2005 02:41


I would discourage this thought for two reasons: 1) The nose gear door
prevents exhaust heat damage and carbonmonoxide from enterting the
tunnel (if you used the forward close out piece attached to the strut) and
possibly into the cockpit. 2) The aerodynamic affects may be significantly
detrimental.

What are the real issues causing the headaches? The listers here will be
able to provide you with solutions and photos etc to help you solve the
problems.

Larry Henney


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