Today's Message Index:
----------------------
1. 09:45 AM - Re: Wing structure upgrades (k3x)
2. 10:05 AM - Mk3 Xtra Fuel Tank Install.... (k3x)
3. 10:36 AM - Re: Mk3 Xtra Fuel Tank Install.... (Russ Kinne)
4. 11:12 AM - Re: Mk3 Xtra Fuel Tank Install.... (Rick Neilsen)
5. 12:28 PM - Re: Re: Wing structure upgrades (John Hauck)
6. 12:35 PM - Re: Mk3 Xtra Fuel Tank Install.... (John Hauck)
Message 1
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| Subject: | Re: Wing structure upgrades |
Richard and John...... Great input regarding the diagonals..... surface contact
between 2 round tubes is minimal to begin with.... then asking a 1/8" pulled
rivet to exist happily with about 3/8" grip length and reversing loads...... ahhhhh...
must be a better form. Will fab up something that improves on existing
and add one "V brace" style with concentric contact points to either end.
Thanks!
Mike Cranson
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=478842#478842
Message 2
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| Subject: | Mk3 Xtra Fuel Tank Install.... |
Dennis at the Kolb facility is making up an aluminum 18 gal. tank for the 3X .
I'm not fond of a fill in the interior of a fuselage so am looking for ideas
for an exterior fill. Rural nature of use will require fueling from cans at least
half the time so underwing location doesn't seem too feasible..... has there
been any success mounting one below the engine through the aft flat area of
the fuselage or vertically through the center section? At this point the tank
and fuselage fittings can be located wherever works best.
Mike Cranson
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=478844#478844
Message 3
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| Subject: | Re: Mk3 Xtra Fuel Tank Install.... |
Mike, see if you can find a pic of John Haucks fuel tank, mounted
high inside the fuselage. after 3000+ hours it obviously works
Fair winds,
Russ K
> On Mar 24, 2018, at 1:05 PM, k3x <consort2@msn.com> wrote:
>
>
> Dennis at the Kolb facility is making up an aluminum 18 gal. tank for the 3X
. I'm not fond of a fill in the interior of a fuselage so am looking for ideas
for an exterior fill. Rural nature of use will require fueling from cans at
least half the time so underwing location doesn't seem too feasible..... has
there been any success mounting one below the engine through the aft flat area
of the fuselage or vertically through the center section? At this point the
tank and fuselage fittings can be located wherever works best.
> Mike Cranson
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=478844#478844
>
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Re: Mk3 Xtra Fuel Tank Install.... |
Mike
I have a filling system like you have proposed. It is in a higher pressure
area so you don't have to be worried about fuel flow issues if the seal
gets compromised. I used a boat fuel filler that also has a vent for
venting when filling and fuel delivery. I do caution that the angle of the
tube back to the tank is low so there can be some burping of fuel if your
fill too fast. Using 5 gallon cans is never a problem but filling with a
huge airport fuel nozzle takes careful use. Also Lexon doesn't like fuel
being spilled on it.
I can send a more higher res photo direct if you need it.
Rick Neilsen
RedriveVW Powered MKIIIC
On Sat, Mar 24, 2018 at 1:05 PM, k3x <consort2@msn.com> wrote:
>
> Dennis at the Kolb facility is making up an aluminum 18 gal. tank for the
> 3X . I'm not fond of a fill in the interior of a fuselage so am looking
> for ideas for an exterior fill. Rural nature of use will require fueling
> from cans at least half the time so underwing location doesn't seem too
> feasible..... has there been any success mounting one below the engine
> through the aft flat area of the fuselage or vertically through the center
> section? At this point the tank and fuselage fittings can be located
> wherever works best.
> Mike Cranson
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=478844#478844
>
>
Message 5
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| Subject: | Re: Wing structure upgrades |
I reinforced my bow tips with the standard brace in line with the main spar
plus an additional brace at 45 deg forward from the original brace. I used
1/2" .032 6061 tubing plus I installed a sheet aluminum web between the top
and bottom tube brace. The web keep the tubes in column. I can now push my
wing up by the bow tip until I lift the main gear nearest me. Bow tips
built the standard way have a lot of flex and would probably fail it you
tried that with them.
I also used 1/2" tube braces on the leading edge of the wing. Compressed
the tips and used about 4 or 5 rivets to secure on each end. After 3400+
hours they are still hanging on. ;-)
john h
mkIII SN: M3-011
Titus, Alabama
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of k3x
Sent: Saturday, March 24, 2018 11:46 AM
Subject: Kolb-List: Re: Wing structure upgrades
Richard and John...... Great input regarding the diagonals..... surface
contact between 2 round tubes is minimal to begin with.... then asking a
1/8" pulled rivet to exist happily with about 3/8" grip length and reversing
loads...... ahhhhh... must be a better form. Will fab up something that
improves on existing and add one "V brace" style with concentric contact
points to either end.
Thanks!
Mike Cranson
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=478842#478842
Message 6
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| Subject: | Mk3 Xtra Fuel Tank Install.... |
We built an 18 gal aluminum tank for my original Firestar. Made the fuel
fill from PVC and chrome plated brass P-Trap. Ran the fill pipe back to the
top rear of the fuselage under the engine or to one side of the engine.
Can't remember for sure. Last time I flew it was 28 years ago last week.
We built a 25 gal aluminum tank for my MKIII. I fill it through the top
rear of the center section. Pain in the butt to remove and install center
section, but that is a task I seldom am required to do.
Used a sight gauge for both Kolbs secured to the rear bulkhead so I
could/can easily see the fuel level. Very accurate and fail safe, I hope.
john h
mkIII
Titus, Alabama
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of k3x
Sent: Saturday, March 24, 2018 12:05 PM
Subject: Kolb-List: Mk3 Xtra Fuel Tank Install....
Dennis at the Kolb facility is making up an aluminum 18 gal. tank for the 3X
. I'm not fond of a fill in the interior of a fuselage so am looking for
ideas for an exterior fill. Rural nature of use will require fueling from
cans at least half the time so underwing location doesn't seem too
feasible..... has there been any success mounting one below the engine
through the aft flat area of the fuselage or vertically through the center
section? At this point the tank and fuselage fittings can be located
wherever works best.
Mike Cranson
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=478844#478844
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