For those of you who have contemplated using a fiberglass tank at some point in the future, please read the following post from the
rans S-7 group- it is scary AND expensive!
Date: Sun, 7 Feb 2010 00:11:32 +0100
Subject: Re: [RansS7Courier] Airworthiness Inspection
Thanks a lot, Buzz. Great post.
> The Good, The Bad & The Ugly: I returned the 912 to Lockwood in July
> 2009 for no compression on all cylinders. I had purchased the engine
> new from Rans. The engine had less than 2 hours total time at that
> point. All the run time was for leak check, carb balance, warm-up,
> etc. Phone calls and email did not get much response. In late Nov, I
> asked Lockwood to tell me exactly what happened to the engine. The
> intake valves had hit the pistons, push rods bent, cam ruined, gear
> box dog gear ruined. The exhaust valves were fine. I 'Googled'
> stuck intake valves and engine damage. The result comes back on
> boating sites with identical symptoms. I figured out then what had
> happened. I had purchased a fiberglass header tank from Joel
> Milloway and the gasoline was dissolving the resin. I sumped the fuel
> system about the 2nd or 3rd day after filling the header tank and
> running the engine and a 'brown snot' came out. I imediately removed
> the tank and replaced it w/ an aluminum tank but apparently the damage
> was already done to the engine. I called Lockwood and told them what
> had happened to the engine. They gave me $7k core credit or a
> complete zero time re-build w/ 2000 tbo for $8.6 (plus tax). I took
> the re-build option. Lockwood called and sent pics when they
> disassemble the engine saying they did not see how they could have
> missed the problem They had to hammer the intake valves out of the
> heads. The intake valve stems were coated w/ black varnish from the
> resin. I picked the engine up the end of Dec. The damage was done
> to the engine in a matter of hours. The good news is the engine
> failed on the ground. The ugly is I am out over $10k. I have asked
> Joel to notifly all who have his tanks and to re-inburse me for
> damages but I'm not holding my breath for the check. If anyone has a
> fiberglass tank, get rid of it asap.