From: "steve Izett" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: Alternative Fuel Pump
Date: Mon, 27 Mar 2017 12:05:53 +0800
References: <list-9612184@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-9612184@logan.com>
Message-Id: <3CD10CF7-4AC5-4E22-96B9-FDF8554EBB22@gmail.com>

Thanks Charlie
Steve
> On 27 Mar 2017, at 11:59 am, Charlie England =
<flyrotary@lancaironline.net> wrote:
>=20
> If you're using ATC style fuses, these might be worth a look.
> =
http://www.cooperindustries.com/content/dam/public/bussmann/Transportation=
/Resources/catalog_pages/BUS_Tns_227_ATC_CB.pdf
> or
> =
http://www.cooperindustries.com/content/dam/public/bussmann/Transportation=
/Resources/catalog_pages/circuit-protection/bus-cbt-ds-series-22x-circuit-=
breakers.pdf
>=20
> If you look at the trip time vs overload %, they act pretty much like =
a regular circuit breaker instead of a fast blow fuse, and they fit a =
regular ATC fuse block.
>=20
> Won't fix a bad pump, but if you get a higher capacity regulator & =
make sure your pumps are ok, they should solve nuisance trips.
>=20
> Charlie
>=20
> On 3/26/2017 10:47 PM, steve Izett wrote:
>> Thanks very much Jeff
>> Steve Izett
>>> On 27 Mar 2017, at 9:57 am, Jeff Whaley =
<flyrotary@lancaironline.net> wrote:
>>>=20
>>> Steve, I don't place a lot of confidence in the accuracy of my fuel =
pressure gauge as it's only 1.25 inch diameter - more of a yes there is =
fuel pressure indicator; however, with either the Airtex or the Walbro's =
I saw/see a few PSI change from (36-37) one pump on to both (39-40).
>>> With the Airtex I routinely would operate on one pump for cruise and =
two for take-off and landing.  With the Walbro"s I have been operating =
both pumps all the time; have checked one pump airborne and there is =
definitely a slight leaning.
>>> Have never actually measured current draw but as stated a few days =
ago I am using aircraft grade switched-breakers of 10 Amps for each =
pump.  Hope this helps.
>>> Jeff
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>>>=20
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>>=20
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>=20
>=20
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