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SkyrangerRich

Tank Dipstick(s)?

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Hi all. 

I've owned my 2006 CTSW for 4 months. Previous owner handed me a single fuel dipstick, marked with a big L on the top. (Blank on the other side)

This and the line in the POH about having a specific dipstick per side made me think I should have two, or a double sided stick. 

Contacted Flight Design and they've sent me a new single dipstick. It's very different to my old one, is anodised black and doesn't have a side marking on it. 

Do you have different dipsticks for each side of your CTSW?

Thanks. 

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I only got once stick, plain aluminum and graduated on both sides for the two different tanks.  Mine developed a crack on the inside curve from unscrewing the fuel caps, so I used it as a template and made a replacement out of 1/8" thick aluminum plate and with a wider inside curve radius.  That one will never crack.  I didn't bother to graduate it, I set my fuel level by looking in the tank at the fuel level with a flashlight and verifying by the sight gauges (which are graduated and calibrated).

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One can do as Andy has done to calibrate the inside tape on the sight tubes and/or the dip stick.  Next time you drain the tanks to do the wing inspection at yearly condition inspection, add known amounts of fuel to the wings, i,e., first add 5 then another 5 and then another 5 gallons to the tank and calibrate the tape and/or a new dipstick with the 5, 10 & 15 gallon levels.  Do this for each side of the stick for each wing.

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3 hours ago, Runtoeat said:

first add 5 then another 5 and then another 5 gallons to the tank and calibrate the tape and/or a new dipstick with the 5, 10 & 15 gallon levels.  Do this for each side of the stick for each wing.

My experience is that fuel begins to transfer / equalize right away.  To address this ad 5 to left then 5 to right then 5 more to each side.

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3 hours ago, Ed Cesnalis said:

My experience is that fuel begins to transfer / equalize right away.  To address this ad 5 to left then 5 to right then 5 more to each side.

When I calibrate tanks I use a line clamp on one of the fuel lines where it comes out of the door post to block the transfer of fuel.

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ED & Tom, failed to say i add fuel to both sides, as with Ed's example.  I think I like clamping the fuel line as Tom suggests though.  This isolates the tank being calibrated and gives a true reading for that wing.  I'll do it this way next time my wings are drained for inspection. 

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