Today's Message Index:
----------------------
1. 01:40 AM - Re: One for the books. (Roland)
2. 09:58 AM - Re: One for the books. (Ivor)
3. 10:11 AM - Re: Re: One for the books. (William Daniell)
4. 10:16 AM - Re: Re: One for the books. (William Daniell)
5. 01:04 PM - Re: One for the books. (Roland)
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| Subject: | Re: One for the books. |
Very interesting alternatives for the stock Rotax 914 which I have. However - aren't
the FI retro fittings not even more dependent on electricity? I've given
that some thoughts also with my 914 setup (two electrical fuel pumps) and my
understanding is, that in case of an alternator failure the fuel pumps are running
until the battery is sucked empty. In case of a Lithium battery (optimized
for high loads during start up) there isn't too much time until the engine quits
I guess.
I have gotten the info from Silent Hektik, that they MIGHT come up with some sort of backup of the size of a matchbox for the next AERO (they also supplied a fuel injection for the Rotax 912 some time ago https://www.silent-hektik.de/UL_912_1.htm )
Cheers
Roland
PH-ZTI
XS TG 914
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=476834#476834
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| Subject: | Re: One for the books. |
the question im forced to ask? is that at the UK 1370 lbs or the more generous
1450lbs that practically the rest of the world uses instead,
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=476842#476842
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| Subject: | Re: One for the books. |
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| Subject: | Re: One for the books. |
Roland
My 912 turbo doesnt have fuel injection it uses the same basic
configuration as 914.
However to answer you point mine retains the mechanical pump and it will
produce about 27" at 8500 feet with only the mechanical pump. So it is not
electrically dependent.
Will
William Daniell
LONGPORT
+57 310 295 0744
On Thu, Dec 28, 2017 at 4:40 AM, Roland <schmidtroland@web.de> wrote:
>
> Very interesting alternatives for the stock Rotax 914 which I have.
> However - aren't the FI retro fittings not even more dependent on
> electricity? I've given that some thoughts also with my 914 setup (two
> electrical fuel pumps) and my understanding is, that in case of an
> alternator failure the fuel pumps are running until the battery is sucked
> empty. In case of a Lithium battery (optimized for high loads during start
> up) there isn't too much time until the engine quits I guess.
>
> I have gotten the info from Silent Hektik, that they MIGHT come up with
> some sort of backup of the size of a matchbox for the next AERO (they also
> supplied a fuel injection for the Rotax 912 some time ago
> https://www.silent-hektik.de/UL_912_1.htm )
>
> Cheers
> Roland
> PH-ZTI
> XS TG 914
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=476834#476834
>
>
Message 5
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| Subject: | Re: One for the books. |
Ah okay. Being independent of electricity is an advantage for sure. But how about
vapor lock? Did you experience any in hot temperatures/high altitude when running
the mechanical pump?
I think in that regard the position of the two electrical pumps behind/below the
tank is optimal. I've been up to FL200 in summer with Premium 95 car fuel without
problems.
Regards
Roland
PH-ZTI
XS TG 914
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=476846#476846
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