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Fuel Flow Instrumentation

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davidjoyce(at)doctors.org
Guest

Posted: Sat Jan 27, 2007 1:57 am Post subject: Fuel Flow Instrumentation

Many thanks to all those who have replied to this theme. If starting from

scratch I would pick an engine management system (like the Dynon D180) that

would compute fuel flow along with the rest, but having already got the

Rotax Flydat system which doesn't do fuel flow I am looking for a stand

alone system.

      T o summarise for the benefit of anyone who may be thinking of doing

something similar there seem to be three good systems that use Floscan

transducers (as opposed to their own make):

  1) Fuel Scan 450.  2) Matronics FuelChec DX. 3) Stratomaster MGL Avionics

FF2

The first two are more sophisticated and more expensive than the third, both

costing $1100 or so for the instrument + 2 Floscan 201s, and rather more if

bought in UK. The FF2 instrument costs just £100 in the UK (sensors extra)

but looks very basic. There doesn't seem to be too much to choose between

the first two but the FuelScan 450 is my choice, being slightly cheaper and

perhaps more attractive and with a more user friendly display.

        All I need now is  a source of inexpensive Floscan Transducers!

David Joyce, G-XSDJ

ami(at)mcfadyean.freeserv
Guest

Posted: Sat Jan 27, 2007 2:41 am Post subject: Fuel Flow Instrumentation

Try Broken Leg Dave at

http://www.brokenlegdave.com/Manufacture/FloScan/floscan_home.htm



Does he exist? previous discussion on this Forum suggests that he does.



Or pay UK prices!



Duncan McF.

---

Paul Sistern

Joined: 03 Nov 2006
Posts: 9
Location: UK

Posted: Sat Jan 27, 2007 7:32 am Post subject: Re: Fuel Flow Instrumentation

HI, I'm an MGL Stratomaster dealer offering the FF2 for Â£100 as mentioned by David Joyce above.



I'm expecting to be able to offer the Floscan sender as an option with all MGL Stratomaster fuel flow instruments sometime in the very near future. Price has not been set yet but is likely to be similar to the standard sender at Â£120.



Cheers,

Paul

(Jabiru)G-CBKY



http://www.partsforaircraft.co.uk

davidjoyce(at)doctors.org
Guest

Posted: Sat Jan 27, 2007 9:00 am Post subject: Fuel Flow Instrumentation

Paul, Is an A^ £ any different from a simple UK £? Regards, David Joyce,

G-XSDJ

---

peter.rees01(at)tiscali.c
Guest

Posted: Sat Jan 27, 2007 9:32 am Post subject: Fuel Flow Instrumentation

When I was hunting for the cheapest Flowscan price - someone from the group 

kindly pointed me at this guy:



http://www.scubasteve.biz/store/manufacturers/floscan/floscan.htm



They were by far the cheapest (201s (at) approx £70 + delivery or the 231 for 

about £60) - he also seems pretty au-fait with sending stuff to the UK in 

such a way as to try and keep the VAT mans nose out of it (will mark it as a 

gift and put any value you like on the package).



Peter





---

Paul Sistern

Joined: 03 Nov 2006
Posts: 9
Location: UK

Posted: Sun Jan 28, 2007 4:06 am Post subject: Re: Fuel Flow Instrumentation

 	  davidjoyce(at)doctors.org wrote: 	
		  Paul, Is an A^ Â£ any different from a simple UK Â£? Regards, David Joyce,

G-XSDJ

--- 	




Hi David, not sure what you mean unless it's something to do with the way other computers are reading my computer's keyboard. Anyway I'm talking GBP.



Regards,

Paul

Paul Sistern

Joined: 03 Nov 2006
Posts: 9
Location: UK

Posted: Tue Jan 30, 2007 1:44 pm Post subject: Re: Fuel Flow Instrumentation

As a follow up to the above posts I have been corresponding with Floscan on the subject of ScubaSteve in Florida. He offers a 201B-9 transducer, which you might think is similar to the 201A-6 or 201B-6 transducer that is designed for aircraft use. It is not. Floscan tell me it is in fact a 20B marine transducer. And of course, the cheaper 231 is a marine transducer too.



What are the group's thoughts on using marine sensors on their aircraft engines. 



If I am to offer the genuine aviation 201A transducer on my website it is likely to retail at about GBP 165.00 incl. based on a current quote from Floscan.



Any feedback very gratefully received.



Regards,

Paul

grahamsingleton(at)btinte
Guest

Posted: Tue Jan 30, 2007 4:17 pm Post subject: Fuel Flow Instrumentation

Paul

I doubt there is any difference other than flow rate, even marine ones 

aren't designed to run on or in sea water. Probably just a matter of 

certification. In other words protection money for burocrats. (imho)

Graham



Paul Sistern wrote:

  > What are the group's thoughts on using marine sensors on their 

aircraft engines.

 	  Quote: 	
		   

 If I am to offer the genuine aviation 201A transducer on my website it is likely to retail at about GBP 165.00 incl. based on a current quote from Floscan.

 

 Any feedback very gratefully received.

 

 Regards,

 Paul

davidjoyce(at)doctors.org
Guest

Posted: Thu Feb 01, 2007 9:31 am Post subject: Fuel Flow Instrumentation

Paul, I would be reluctant to use anything other than the aviation

transducer designed for the planes fuel flow range, which I believe is the

201A-6 for Rotax engines. It is a pretty sensitive bit of the plane to put

anything in and the accuracy of it is safety critical (ignoring the fact

that we should have an additional way of knowing how much fuel there is

left). Regards, David Joyce G-XSDJ

---

Paul Sistern

Joined: 03 Nov 2006
Posts: 9
Location: UK

Posted: Fri Feb 02, 2007 2:24 am Post subject: Re: Fuel Flow Instrumentation

I am very grateful for all the views expressed by Europa owners (and list readers) regarding the Floscan transducers, on this list and in private messages. 



The only conclusion I can make so far is that Floscan make transducers specifically for aircraft and in general for boats, and anything else. 



Floscan quote a range of specifications, but the principal and the design of the transducer remains the same. The primary feature (for us and in the UK, the PFA) being that it can not be blocked if the rotor jams. All of their products, marine and aviation, claim the same accuracy, ie a repeatability between measurements of 1/4% at a flow rate of 16 (US)GPH. The different models, within specific ranges, are there to accomodate the flow range (min to max flow quoted in US GPH)



Since PFA permit aircraft do not require certified parts and the approval is gained by acceptance, the use of the far more expensive 200 series aviation transducer, seems, on the face of it, to be unnecessary. And some of you have told me that the PFA have indeed approved instalations using the marine transducer. 



I'm continuing to research this, and I have approached PFA Engineering, who have yet to respond.  



Does anyone have anything further to contribute? 



Regards and thanks,

Paul

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