Today's Message Index:
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1. 03:35 AM - Re: Elevator Trim Control Horn (Stephen Behn)
2. 04:56 AM - Re: Lightning Homecoming (MP)
3. 06:32 AM - Re: Lightning Homecoming (Bernard Melendez, Jr.)
4. 08:16 AM - Elevator trim tab travel. (Nick Otterback)
Message 1
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Subject: | Re: Elevator Trim Control Horn |
Nick,
I have also had the same struggle as Michael with the trim tab defl
ection and would appreciate actual measurements of its required deflection.
I have decreased the length of the horn to get the required 30 degrees in
the manual and have obviously increased its sensitivity which you are conce
rned about, I will have to re do this and an actual deflection measurement
up and down would add peace of mind.
Regards
Steve Behn
lightning 69
----- Original Message -----
From: Nick Otterback
To: lightning-list@matronics.com
Sent: Thursday, September 27, 2012 9:36 AM
Subject: Re: Lightning-List: Elevator Trim Control Horn
When i get into the shop tommorow i will measure the deflection down from
the tip of the elevator. That may proove to be a better dimension. The onl
y issue with making the input hole closer to the tab hinge line is the sens
etivity of the trim tab than. I would suggest not moving the horn closer th
an already shown. Very little movement by the motor will givr a bigger defl
ection and that is not what you want. We measure the deflection from the to
p skin, check the the tab has 30 degrees travel for clearance, the tab move
ment installed will be less.
Nick
Sent from my pocket
On Sep 19, 2012, at 7:45 AM, "MP" <mozart1@ctemail.net.au> wrote:
Gents
I=99m building Lightning # 143 and struggle with a little thing.
Could somebody tell me what the elevator trim deflection should be?
From the manual it should be 30deg down but how much is it up?
The trim servo has a travel of 17mm with my trim tap cut to the manual
measurements it is not possible to a have a control horn similar to the one
in the manual and deflection +- of 30deg.
As by my calculation, if the pushrod attach point would be on the botto
m skin of the trim tap the travel of the servo is still not enough for +- 3
0deg. My Trim tap is at the trailing edge 15mm thick => requires 10mm tra
vel for 30deg if attached on the bottom skin.
So what is the solution? The next servo up with 26mm travel would work?
Or is only a down travel required? I guess also a very short control horn
is not very stable as the angel of control is very low (I would have on my
RC model plane bigger horns then on the full size) if this makes sense?
Any ideas very appreciated thanks
Michael
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Message 2
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Subject: | Lightning Homecoming |
Hi Bernardo,
Thanks for sharing these pictures I'm sure they are inspirational and give
very good ideas for further mods.
Michael
From: owner-lightning-list-server@matronics.com
[mailto:owner-lightning-list-server@matronics.com] On Behalf Of Bernard
Melendez, Jr.
Sent: Wednesday, 3 October 2012 5:49 AM
Subject: Re: Lightning-List: Lightning Homecoming
I can't make it either. I've got brain surgery scheduled. BTW, did anybody
receive any of my postings I made the other day? The one with pics of my
mods and doings?
Have a great gathering.
Bernardo
--- On Tue, 10/2/12, N1BZRich@AOL.COM <N1BZRich@AOL.COM> wrote:
From: N1BZRich@AOL.COM <N1BZRich@AOL.COM>
Subject: Re: Lightning-List: Lightning Homecoming
Hey World Record Earl, you missing the Lightning Homecoming is DISSAPPROVED.
Resubmit your request to miss this event in 90 days for final disapproval.
Heck, you only live about an hour away via Lightning flight. At least you
should fly up for a while on Friday or Saturday to say hello. I want you to
talk other Lightning owners into going for additional World Records.
Besides, you need to be there to defend your Senior Division Championship of
CRAP - Creeper Racing Association of Pilots.
Blue Skies,
Buz
In a message dated 10/2/2012 8:31:13 A.M. Eastern Daylight Time,
EAFerguson@AOL.COM writes:
Regrets!
I can't make it and its painful. First one I've ever missed, but I have a
hard conflict.
Earl
href="http://www.matronics.com/Navigator?Lightning-List">http://www.matronic
s.com/Navigator?Lightning-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution
http://www.matro===================
Message 3
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Subject: | Lightning Homecoming |
Hi Michael,
You're welcome. I've got some other pics to post soon too.
In particular, I was at odds about how to bolt on the brackets that support
the rudder cable pulleys at the base of the firewall. I just knew there ha
d to be an easier way to do this than to have someone holding the bolt from
inside the cockpit, while under the rudder pedals, in a very cramped posit
ion while nuts were tightened from the outside, then having to attach the p
ulleys,cables and bolts. A monster of a job.
My solution was to fabricate two different brackets with tabs brazed on tha
t=0A would bolt to the firewall before the stainless steel firewall was att
ached.
Additionally, you could finish the rudder pedals installation, as well as t
he brakes, etc, with much better=0A access.
I'm always looking for ways to make things easier, more logical or accessib
le. Stay tuned.
Bernardo
Kit # 110
--- On Wed, 10/3/12, MP <mozart1@ctemail.net.au> wrote:
From: MP <mozart1@ctemail.net.au>
Subject: RE: Lightning-List: Lightning Homecoming
Hi Bernardo, =C2-Thanks for sharing these pictures I=99m sure they
are inspirational and give very good ideas for further mods. =C2-Michael
=C2-From: owner-lightning-list-server@matronics.com=0A [mailto:owner-lig
htning-list-server@matronics.com] On Behalf Of Bernard Melendez, Jr.
Sent: Wednesday, 3 October 2012 5:49 AM
Subject: Re: Lightning-List: Lightning Homecoming =C2-I can't make it eit
her. I've got brain=0A surgery scheduled. BTW, did anybody receive any of m
y postings I made the other day? The one with pics of my mods and doings?
Have a great gathering.
Bernardo
--- On Tue, 10/2/12, N1BZRich@AOL.COM <N1BZRich@AOL.COM> wrote:
From: N1BZRich@AOL.COM <N1BZRich@AOL.COM>
Subject: Re: Lightning-List: Lightning Homecoming
he Lightning Homecoming is DISSAPPROVED.=C2- Resubmit your request to mis
s this event in 90 days=0A for final disapproval.=C2- =C2-Heck, you onl
y live about an hour away=0A via Lightning flight.=C2- At least you shoul
d fly up for a while on Friday or Saturday to say hello.=C2- I want you t
o talk other Lightning owners into going for additional World Records.=C2
- =C2-Besides, you need to be there to defend your Senior Division Cham
pionship of CRAP - Creeper Racing Association of Pilots.=C2- Blue Skies,B
uz=C2-In a message dated 10/2/2012 8:31:13 A.M. Eastern Daylight Time, EA
Ferguson@AOL.COM writes:Regrets!=C2-I can't make it and its painful. Firs
t one I've ever missed, but I have a hard conflict.=C2-Earl=C2-=C2-
=C2- =C2- href="http://www.matronics.com/Navigator?Lightning-List">ht
tp://www.matronics.com/Navigator?Lightning-Lists.matronics.com/">http://for
ums.matronics.comp://www.matronics.com/contribution">http://www.matronics.c
om/contribution=0A =C2-http://www.matro===========
========= =C2- =C2-http://www.matronics.com/Navigator
?Lightning-Listhttp://forums.matronics.comhttp://www.matronics.com/contribu
==0A=0A
Message 4
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Subject: | Elevator trim tab travel. |
The travel as measured on several aircraft Here is 1.25" down tab, or up
trim. Measured from the elevator TE to the TAB TE.
The travel in degrees is between 25-28 on our aircraft, built as shown in
the manual.
Will revise the manual to reflect what works in flight.
thanks
Nick Otterback
Arion Aircraft LLC
R&D Technical Support
931-680-1781
nick@flylightning.net
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