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  #11  
Old 07-01-2015, 06:38 AM
Icarus Icarus is offline
 
Join Date: Jan 2013
Location: D.C.
Posts: 306
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Quote:
Originally Posted by Snowflake View Post
The only downside is that it requires remembering to set the totals when you fill or top up the tanks.
A king air recently augered in for this very reason (told the totalizer he topped off when he didnt). We should use what he have, carefully and in concert with the other systems. Wait...does the stick count as a system? It should...
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Fayetteville, NC
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  #12  
Old 07-01-2015, 06:40 AM
Icarus Icarus is offline
 
Join Date: Jan 2013
Location: D.C.
Posts: 306
Default On the topic of fuel..

Has anyone installed a low fuel warning sender / critical fuel device in any of the 14 tanks? Would love to see/hear those recommendations as well.
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  #13  
Old 06-26-2021, 02:23 PM
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HAL Pilot HAL Pilot is offline
 
Join Date: Nov 2015
Location: Las Vegas NV
Posts: 282
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I installed an optical low fuel sender from aircraft extras see pics

I had to get some custom fuel flanges made. Same person that makes the Vans Flanges. Sorry I lost my email thread with him so I don't have the contact info. Vans does.

I also Installed CiEs fuel senders See this thread.

https://vansairforce.net/community/s...d.php?t=190035
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Pete

RV14A Tail kit 95%
Wing kit 95%
Fuselage QB stuck in China virus corrosion purgatory

RV 14 WIKI in Drop Box

https://www.dropbox.com/sh/xu5p6f4l7...bU0ck0pJa?dl=0

please purchase the thumb drive Vans offers. I DO NOT want to take away from sales flow or get the WIKI Killed.

---For Edit Access drop me a PM with your Email address.

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Donation Paid 18,19,20,21 Military exempt
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  #14  
Old 06-26-2021, 02:31 PM
Taltruda Taltruda is offline
 
Join Date: Oct 2017
Location: Las Vegas, NV
Posts: 834
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Quote:
Originally Posted by HAL Pilot View Post
I installed an optical low fuel sender from aircraft extras see pics

I had to get some custom fuel flanges made. Same person that makes the Vans Flanges. Sorry I lost my email thread with him so I don't have the contact info. Vans does.

I also Installed CiEs fuel senders See this thread.

https://vansairforce.net/community/s...d.php?t=190035
Have you tried these yet? That looks like an awesome idea!
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RV-8 empenage finished 10-2020

Wings Started.. 11-2020
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  #15  
Old 06-26-2021, 02:42 PM
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Carl Froehlich Carl Froehlich is offline
 
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 3,128
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Quote:
Originally Posted by Snowflake View Post
Having now flown with a red cube measuring fuel flow, and having seen how accurate flow measurement can be, I don't think i'd put level senders in tanks at all if I could avoid it. One red cube in each wing root, dip the tanks before each flight, and you'll know fuel level more than accurately enough for VFR operations. The only downside is that it requires remembering to set the totals when you fill or top up the tanks.
Careful here. Fuel flow senders are only as good as the assumptions they operate under, specifically:
- You start off knowing how much fuel is in the plane.
- The fuel that leaves the tanks only goes to running the engine (this is the one that bites you).

For my planes the flow sender is what I use to know fuel remaining to the 1/2 gallon. The floats are calibrated to provide an accuracy of a gallon (when in the reading range) so are perfect to backup the fuel totalizer to make sure I’m not loosing fuel (or the tanks really were topped off at the last fill).

I got burned on this once - the float senders provided truth.

Carl
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  #16  
Old 06-26-2021, 03:31 PM
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HAL Pilot HAL Pilot is offline
 
Join Date: Nov 2015
Location: Las Vegas NV
Posts: 282
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Quote:
Originally Posted by Taltruda View Post
Have you tried these yet? That looks like an awesome idea!
Tom

Tried them as in flown with them? Not Yet. I'm in Covid corrosion purgatory (waiting on Fuse QB #2). Ops tested with voltmeter, Yes. The fuel senders work great, the Optical senders work great too. CiES fuel senders are supper sensitive, so way more data points than standard sensor (60 vs. Infinite.)

https://ciescorp.net/documentation/c...stem-accuracy/

One could easily program a low fuel amount into a glass panel and skip the extra work of an optical sender. But for extra redundancy warning the optical sensors are an easy way to go if you are building a tank.
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Pete

RV14A Tail kit 95%
Wing kit 95%
Fuselage QB stuck in China virus corrosion purgatory

RV 14 WIKI in Drop Box

https://www.dropbox.com/sh/xu5p6f4l7...bU0ck0pJa?dl=0

please purchase the thumb drive Vans offers. I DO NOT want to take away from sales flow or get the WIKI Killed.

---For Edit Access drop me a PM with your Email address.

EAA 1300
Donation Paid 18,19,20,21 Military exempt
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  #17  
Old 09-06-2021, 11:42 AM
Russell Hilton Russell Hilton is offline
 
Join Date: Nov 2020
Location: Summerville, SC
Posts: 9
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Are the www.aircraftextras.com sensors metal or plastic?
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Russ Hilton
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