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Hauck MKIII Fuselage

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John Hauck

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

Posted: Tue Mar 13, 2007 6:49 pm Post subject: Hauck MKIII Fuselage

Hi Gang:



Here is an index page with 20 photos of my mkIII fuselage.



http://home.elmore.rr.com/jhauck/Hauck%20mkIII/



Click on the file to see the photo.



Give you some idea of the small changes we made in my bird.



If you have any questions about them, let me know and I will attempt 

to answer.



john h

mkIII

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

John Hauck

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

Posted: Tue Mar 13, 2007 7:05 pm Post subject: Hauck MKIII Fuselage

| Here is an index page with 20 photos of my mkIII fuselage.

|

| http://home.elmore.rr.com/jhauck/Hauck%20mkIII/

Gang;



Forgot to mention.  The reason it is on the trailer in front of the 

house is to get it into the basement and begin updating and 

repowering.  Major updates are new glass all around and rebuild gap 

seal.  The lexan lasted 15 years and was looking pretty ratty by the 

time I took the wings off last month.  Will take a little effort to 

get the new engine installed and ready to go.



Should be flying in time to make Sun and Fun next month.



john h

mkIII

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

John Hauck

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

Posted: Tue Mar 13, 2007 7:10 pm Post subject: Hauck MKIII Fuselage

| Here is an index page with 20 photos of my mkIII fuselage.

|

| http://home.elmore.rr.com/jhauck/Hauck%20mkIII/

Gang:



FTP did not upload all the photos although the files got loaded.  Will 

scratch my head a bit and see if I can get the rest of the photos 

uploaded.



20,000 xin loi's,



johnh

mkIII

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

John Hauck

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

Posted: Tue Mar 13, 2007 7:20 pm Post subject: Hauck MKIII Fuselage

| FTP did not upload all the photos although the files got loaded.

Gang:



Musta scratched the right spot.  All the photos loaded this time.



john h

mkIII

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

flyingfoxservices(at)mac.
Guest

Posted: Wed Mar 14, 2007 2:59 am Post subject: Hauck MKIII Fuselage

These photos are just great, John. Really shows off Miss P'Fer better than

anything else that I have ever seen. I missed her at OSH the last couple of

years so these are super. Thanks!



Todd

On 3/13/07 11:20 PM, "John Hauck" <jhauck(at)elmore.rr.com> wrote:



 	  Quote: 	
		   

 

 

 

  | FTP did not upload all the photos although the files got loaded.

 

 

 Gang:

 

 Musta scratched the right spot.  All the photos loaded this time.

 

 john h

 mkIII 

 

 

 

 

 


	


Todd Fredricks, DO 

Family and Aerospace Medicine

flyingfoxservices(at)mac.com

740-350-5266 Voice

815-301-2879 Fax

http://web.mac.com/flyingfoxservices/iWeb/Site/Welcome.html



³The evil of the world is made possible by nothing but the sanction you give

it.²

                   

                                                                        -Ayn

Rand

rowedenny(at)windstream.n
Guest

Posted: Wed Mar 14, 2007 3:29 am Post subject: Hauck MKIII Fuselage

John,

Nice pics, but after checking out all the bumper stickers, I can't seem to 

get Hank Snows' song "I've been everywhere" out of my head. 

Denny Rowe, mk-3 that has yet to leave the state of PA, even in kit form.



 	  Quote: 	
		   Hi Gang:



 Here is an index page with 20 photos of my mkIII fuselage.



 http://home.elmore.rr.com/jhauck/Hauck%20mkIII/



 Click on the file to see the photo.



 Give you some idea of the small changes we made in my bird.



 If you have any questions about them, let me know and I will attempt

 to answer.



 john h

 mkIII

John Hauck

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

Posted: Wed Mar 14, 2007 5:07 am Post subject: Hauck MKIII Fuselage

| Nice pics, but after checking out all the bumper stickers, I can't 

seem to

| get Hank Snows' song "I've been everywhere" out of my head. 

| Denny Rowe, mk-3 that has yet to leave the state of PA, even in kit 

form.

Denny:



Stickers serve several purposes, but the primary purpose is a quick, 

easy, and efficient way to cover holes in the fabric, and dings on the 

nose pod.  In the early days, I used to go through the process of 

patching and painting.  That soon became too time and labor intensive.



Paint is getting faded and cracked, especially on the tail, but it 

still test out good.  Will keep on flying it for a while before the 

fabric and paint is replaced.



john h

mkIII

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

MKIIIX040

Joined: 31 Mar 2006
Posts: 123
Location: Millinocket, Maine

Posted: Wed Mar 14, 2007 6:28 am Post subject: Hauck MKIII Fuselage

Nice pics John

 Are the short struts from leg to center of fuselage  for bracing only or do they provide any suspention help? One

  

 What are the tubes from tail wheel rod to what looks like  elevator pivot? Two

  

 As I'm covering my rudder I noticed the ribs formed a  slight airfoil which would push it to the left. After seeing your trim tab I'm  con fused. In a normal take off with a Kolb do you need left or right rudder  input if any? Ofcourse in flight that may change , correct? Three

  

 After covering gussets, pretty cool!

  

 Do you think that bitty trailer will handle all that  weight? Done

  

 Vic

 912 UL Extra

 Maine

 do not archive

  

  

  

  

   [quote][b]

_________________
MKIIIX040
912UL

John Hauck

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

Posted: Wed Mar 14, 2007 7:35 am Post subject: Hauck MKIII Fuselage

Morning Vic P:



 The short struts a solid streamlined 4130.  They are rigid. 

Suspension is created by the heat treated 4130 legs and the soft 

tires.  What you see on the outside is only a small part of the entire 

main gear suspension.  There is square tube bridge work on the inside 

of the fuselage that carries the load.  The original gear leg socket 

is used to attach the rear brace only.  Was a convenient place to put 

it.



The two tube on the tailpost and tailboom ring are lateral bracing for 

the tailpost.  The ring is the only lateral bracing on the standard 

Kolb.  The wire bracing is there the keep the vertical and horizontal 

components in position only.  All lateral forces are directed at the 

ring and the connection to the tailpost.  I went through several 

tailpost failures before my friend Dan Horton came up with the idea of 

using these two small braces to beef up the tailpost.  It works.  I 

have had no problem with cracks and breakage since we installed them a 

couple years ago.



Adverse yaw depends on prop direction of rotation.  912 rotates 

counter clockwise looking at it from rear to front.  Two strokes 

rotate clockwise.  With the 912 the aircraft wants to yaw left when 

you come up on power on the ground and in the air.  To counteract this 

left yaw I have to give it right rudder.  Thus, the trim tab is bent 

left to push the rudder right and correct for adverse yaw.  In cruise, 

which is of most concern to me, my mkIII is trimmed up with no pedal 

input with the very large trim tab.  I believe a lot of the adverse 

yaw is created by the spinning prop wash which hits the left side of 

the vertical stabilizer pushing the nose left.



The trailer does a great job hauling the mkIII from airstrip 3 miles 

home.  Especially since the engine is off and no fuel in the tank.  It 

is a pleasure to maneuver the mkIII by hand when it is this light.



Take care,



john h

mkIII

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

Richard Pike

Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee

Posted: Wed Mar 14, 2007 8:39 am Post subject: Hauck MKIII Fuselage

I like that idea, think I will mooch it for my MKIII.

Richard Pike

MKIII N420P (420ldPoops)

do not archive



---

_________________
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0

Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing.

John Hauck

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

Posted: Wed Mar 14, 2007 12:24 pm Post subject: Hauck MKIII Fuselage

| I like that idea, think I will mooch it for my MKIII.

| Richard Pike



Richard:



Be my guest.



It was a long time coming, and I do not take credit for it.  In fact, 

when Dan Horton suggested the braces, I was against the idea because I 

did not want to add any more stuff outside.  He convinced me I would 

be pulling the tail section off again soon if I didn't do it.  Now 

that it is on there, I never notice it.  And...........it is doing a 

good job.



john h

mkIII

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

MKIIIX040

Joined: 31 Mar 2006
Posts: 123
Location: Millinocket, Maine

Posted: Wed Mar 14, 2007 2:43 pm Post subject: Hauck MKIII Fuselage

Thanks John,

  

 Did those cracks in tailpost happen before or after 13LB.  tail wheel

 and wheels forward.

 I meant to ask before what size tires did you use and are  they still available. Aero trainer has one 17" tall by 5.5 or 6" 6Ply 7 Lbs. $66  lighter than some 4 ply. I know I don't need 6 ply. I have the stock 6"  Asuza wheels and need a little room for brake caliper.

  

  Vic

 912 UL Extra

 Maine

 do not archive



   [quote][b]

_________________
MKIIIX040
912UL

John Hauck

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

Posted: Wed Mar 14, 2007 4:43 pm Post subject: Hauck MKIII Fuselage

Vic P:



" Did those cracks in tailpost happen before or after 13LB. tail wheel

and wheels forward."



Tailpost failed because of lateral loads primarily.  Like I said 

earlier, the only lateral bracing of the tailpost is the tailboom 

ring.



The main gear was designed and fabricated when Brother Jim built my 

fuselage and other components at the Old Kolb Factory in 1991.  Moving 

the main gear forward, which automatically added weight to the 

tailwheel, also contributed to the tailpost failure.  It is not common 

and I have never heard of it happening to a standard built mkIII.



" I meant to ask before what size tires did you use and are they still 

available. "



I use McCreary 8.00 X 6 4 ply tires and tubes.  They are readily 

available.



Take care,



john h

mkIII

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

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