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Trim Tabs

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John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Sun Oct 01, 2006 5:08 pm Post subject: Trim Tabs

| John, curious to know. During your experimentation with the Firestar 

and trim tabs, were there any significant changes with location? As 

in, inboard or outboard in the elevator, high or low on the rudder? 

And did you try one on the aileron as well?

|  Mike S

|  Manchester TN



Hi Mike S:



I changed the subject to reflect what we are talking about.



I feel info of this type needs to be included in the archive.  If we 

have the correct subject, it will be less difficult for the user to 

find the info he is looking for.



Did not have to experiment with the trim tabs reference their 

location.  I felt the location should be where they had the most 

mechanical advantage, which was where the cord was longest.  That 

worked well for the rudder and elevator.   For the aileron I placed 

the tab about center.  I like to fly the aileron up with the tab, 

which brings that wing down.  I used .016" 6061 sheet.  Attached them 

with fabric rivets.  Worked well and made it easy to remove if 

necessary.



Take care,



john h

mkIII

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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

lcottrell

Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or

Posted: Sun Oct 01, 2006 6:34 pm Post subject: Trim Tabs

Well I found my trim tab today, can't find my knife now! Anyway, I installed 

it, trimmed the ailerons up enough to take care of any deflection. For 

anyone that is interested I mounted the tab right next to the attach point 

on the elevator. With the tab on I had it climbing all the time. Had to hold 

down elevator. Nice change. I took the time to go see some of the country 

from the air. Chuckar season starts this weekend, so I wanted to know what 

water holes were wet. Nice part about the desert is that if you find water 

you find game. Spent the rest of the windy part of the day installing the 

ELT. Now Karen can find me if I don't come home!



After feeding the birds this evening, I still had enough time to get in the 

air and do some checking on the prop. It does appear that the prop (warp 

Drive) does what it is advertised to do. I saw 6500 on takeoff and climb out 

so the prop is running about optimum I cut it back to 6000 which was where I 

normally cruise. There was no apparent wind as I flew a triangle and could 

find no real difference in airspeed. ( 2 or 3 MPH at most) ASI appeared to 

be right on with the GPS and I was seeing 66 MPH GPS. That is about 4 MPH 

faster than what I used to see before the rebuild- bigger tires. There is 

one other difference in that I left the silencer off this time. That should 

not affect the speed as it only affects horsepower. The VG's are back on the 

wings and with the exception of the tires every thing is the same. I guess 

the bottom line is that if I were to buy another prop, I would spend the 

extra money for the mod.



Now with the trim problem taken care of, I finally have my fun airplane 

back. It has been an ordeal, and cost a bunch of money, but it is also worth 

it!



Larry, Oregon

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biglar

Joined: 14 Jan 2006
Posts: 457

Posted: Sun Oct 01, 2006 6:58 pm Post subject: Trim Tabs

Good job well done, Larry.  You really went thru the wars. 

Lar.                            Do not Archive.



P.S.  Vamoose' redrive broke again on start up.  Really broke this time, so 

that's an end to it.  It's going in the trash.  I'm looking at alternatives, 

but any action will hafta wait a few months till I can afford it.



Larry Bourne

Palm Springs, CA

Building Kolb Mk III

Vamoose

www.gogittum.com



---

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_________________
Larry Bourne
Palm Springs, CA
Building Kolb Mk IIIC
"Vamoose"

jsflan(at)valornet.com
Guest

Posted: Sun Oct 01, 2006 7:53 pm Post subject: Trim Tabs

Larry,



Ah, Alectoris chukar, the finest table bird ever imported into the USA. Good 

old biologist Gardiner Bump and his good efforts before we went to war with 

that area of the world. We must chat sometime about those feathered wonders.

Here with the improving, but no healed Mark III,  I have, needless to say, 

kept roads, trails and the infrequent waterholes in sight and or gliding 

range. Here's one little waterhole I found not far from T or C Airport. 

Might be used by mulies, livestock, roadrunners, whitewing doves, two or 

even three  species of quail, coyotes, even fox, but if Nuevo Mexico has 

chukars, I haven't heard about it. This pond won't last long with the 

temperature today starting at 48 and soaring to 87 by afternoon.



jsf

do not archive.

---

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