REFLECTOR: Jeffco or not?
KMis178813 at aol.com
KMis178813 at aol.com
Mon Jan 28 21:40:48 CST 2008
Greg
I would, and I am. installing electronic gages on my XLRG. I do like the
fact that when on the ground or in flight, electronically, you can get a
reading very accurate. When you get down to the last 5 gallons, and your trying
to get there. I trust the sight of fuel in the tanks. Just one less thing to
worry about in this electronic world. Just so simple. I have my sight gages
set so I can see the last gallon on each side. I also recess the fuel outlet
(pickup) area. If you are carrying the fuel, why not be able to get to it??? I
never did understand the useable and unusable fuel in a production airplane?
Any dirt or water can settle in the sump, so set your outlet off the sump a
half inch up or so. All bad stuff will end up in the bottom, and visible during
a fuel sump check. Usable and unusable are about a quart different. Just my
thought?
Grigore
I use the Vance Atkinson gauges from Velocity. He makes two different
sizes I believe. One for the XL and one for the SE. I sent pictures but they are
awaiting moderator approval.
Ken
PS. I have a few nose wheel locks left and plan to put more in production.
a message dated 1/28/2008 9:05:08 P.M. Eastern Standard Time,
greg at pooledresources.com.au writes:
Now there’s yet another good idea! I too will now take out the lower skin
of the lwr strake. Tell me if you’d bother with electronic gauges again
given your favour to the sight tubes?
Thanks Ken! ……will be in touch shortly to obtain one of your nose-wheel
locking devices if you still have available.
Best,
Greg
_greg at pooledresources.com.au_ (mailto:greg at pooledresources.com.au)
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of KMis178813 at aol.com
Sent: Tuesday, 29 January 2008 12:08
To: reflector at tvbf.org
Subject: Re: REFLECTOR: Jeffco or not?
Grigore
The fuel site gages, that Velocity sells, are very nice. I use them more than
the electronic gage. Turning your head to see real fuel is a lot more
reassuring than a blip on a screen that says your OK. I like to take the upper
skin of the lower strake out where you are installing the gauge. This lets you
move the gauge as far down as possible, to see the last of your fuel. It
really does not matter how full you are, just how empty!!
Ken
In a message dated 1/28/2008 7:44:52 P.M. Eastern Standard Time,
grigore.rosu at gmail.com writes:
I have already ordered both the Jeffco (3 gal) and the fuel gauge kit from
Velocity. Is there anything else I need before I start working on the fuel
tank? Ken Baker suggested a "side gauge kit" as potentially useful, because
it allows you to always turn your head and see how much fuel you have left.
Any idea about that? Is it worth considering, or it just makes the
installation of the fuel tanks more difficult and prone to leaking?
Many anticipated thanks,
Grigore
On Jan 28, 2008 5:56 PM, Alex Balic <_velocity_pilot at verizon.net_
(mailto:velocity_pilot at verizon.net) > wrote:
1) I would recommend the Jeffco for a couple of reasons- first – it
is specifically designed to be a fuel sealer and is more resistant to alcohol
content than the epoxy (future concerns?) also- the opaque grey color
makes it a very simple matter to locate any pin holes (they appear black against
the light grey epoxy) while you are constructing. You will not want to try to
fine them after your tanks are sealed. Since I have an auto conversion, I
built the entire tank using jeffco since I will almost certainly be burning
fuel containing methanol at some point.
2) I tested my tanks using a cheap kid's party balloon- you just
install the inflated balloon to the vent of the tank you are testing, and see if
it is still inflated a day later. It also keeps some positive pressure on the
tank if you need to do a soap bubble leak test.
3) I would not try to install any of the strake skins without the
wings attached- learned this from personal experience- as well as the experience
of a couple of other builders- don't use the factory alignment templates
either- just hang the wings and keep them there until the strakes are done
unless you are ready to apply a lot of filler to make the leading edge of the
strake match the leading edge of the wing.
____________________________________
From: _reflector-bounces at tvbf.org_ (mailto:reflector-bounces at tvbf.org)
[mailto:_reflector-bounces at tvbf.org_ (mailto:reflector-bounces at tvbf.org) ] On
Behalf Of Grigore Rosu
Sent: Monday, January 28, 2008 12:34 AM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Jeffco or not?
I'm about to install the bulkheads in my first strake and therefore I'll
soon need to worry about the fuel tank.
1) Should I use Jeffco or not? The manual sounds as if Jeffco is optional
... If I should use it, where can I get it from? (I can do a random search
on the internet, but perhaps there are some better avenues that you may have
encountered so far).
2) Do I need an altimeter to test the fuel tank? I have none, but the
messages I could find in the reflector archive on this subject mention an
altimeter. BTW, can I test each tank in isolation, or they need to be both installed
first and checked together?
3) Should I finish the first strake (including installing the upper strake)
and then move to the other one, or it is better to also install the lower
strake on the other side and its bulkheads, then do both tanks at the same time,
and then install both upper strakes at the same time? Note that I can only
install one wing at a time in my garage. The flow-chart that came with my
manual says that the wing can be removed once the lower strake is installed ...
I'm a bit reluctant to do so though, because I'm affraid the torsion
generated by the spar may be too big without the upper strake.
Thank you,
Grigore
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