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Header tank

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egp8111

Joined: 25 Mar 2010
Posts: 49

Posted: Wed Jun 09, 2010 4:52 pm Post subject: Header tank

I'm installing the header tank(the one that looks like a big oatmeal box) option on a KFIII.  The trouble is when I try to put it where it is shown in the plans the flap actuator hits it when the flap handle is pulled full up.  I'm wondering if this is past the normal range of the flaps and is OK or am I missing  something in the instructions.  Anyone else had this issue ?  



Thanks

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lcfitt(at)sbcglobal.net
Guest

Posted: Wed Jun 09, 2010 8:06 pm Post subject: Header tank

Take this for what it is worth, having seen a III or two in my life, but 

never owned one.  With, the IV, it is common practice to put a stop in the 

flaperon handle travel to limit it's travel.  Too much flaperon tends to 

make the aileron effect very sluggish at slow speeds.  I suspect full travel 

is more than you will use in practice.  Experts will likely respond later.



Lowell

Model IV project with the engine installed via the new mount today.



--------------------------------------------------

From: "egp8111" <egp8111(at)aol.com>

Sent: Wednesday, June 09, 2010 5:52 PM

To: <kitfox-list(at)matronics.com>

Subject: Header tank



 	  Quote: 	
		   



 I'm installing the header tank(the one that looks like a big oatmeal box) 

 option on a KFIII.  The trouble is when I try to put it where it is shown 

 in the plans the flap actuator hits it when the flap handle is pulled full 

 up.  I'm wondering if this is past the normal range of the flaps and is OK 

 or am I missing  something in the instructions.  Anyone else had this 

 issue ?



 Thanks





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=300770#300770

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mikeperkins

Joined: 22 May 2007
Posts: 123

Posted: Thu Jun 10, 2010 7:09 am Post subject: Re: Header tank

If there's no flap-handle stop, it's possible to pull in enough flaps that the ailerons nearly lock near center. The flap handle is meant to only drop the flaps about 10 degrees. The flap-handle prevents further travel. 



Something like a header tank is never mounted anywhere near a movable control, say within an inch, in case something slips, and hoses even further away and clamped down in that region. And as for the instructions and plans of anything that was optional, they were always taken as mild suggestions. 



For example, I remember the plans for the optional cockpit heater kit was written to place the little heater core on the floor between the rudder pedals; no way. If they'd had a picture of this in the manual, they'd have seen for themselves just how silly this location was before they issued the instructions. Also, they'd change components and never change the instructions. For example, your header tank might be a bit larger than the one that the instructions were made for. 



Mike Perkins

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mikeperkins

Joined: 22 May 2007
Posts: 123

Posted: Thu Jun 10, 2010 7:19 am Post subject: Re: Header tank

And while I'm telling Kitfox factory stories, I have to mention this one. 



Before I covered my airplane, I wanted to install a steel antenna mount in the fuselage section behind the aft end of the turtle deck. That's when I found out that the the steel diagonal brace in that fuselage section hadn't been welded in. It was missing completely from the airframe. The factory was very nice about compensating me to have a local welder add it. 



If there were a point to this, it's that the Denny factory wasn't quite up to ISO9002 standards, and neither were the builder instructions. 



Mike Perkins

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pchristensen10(at)austin.
Guest

Posted: Thu Jun 10, 2010 7:38 am Post subject: Header tank

Your right there Mike. My heater core is between the 2 sets of rudder pedals 

and there is not much room to move your feet around.



Pete

Kitfox III sn 1000 912 Grove.



 	  Quote: 	
		   

 <michael.perkins(at)rauland.com>



 If there's no flap-handle stop, it's possible to pull in enough flaps that 

 the ailerons nearly lock near center. The flap handle is meant to only 

 drop the flaps about 10 degrees. The flap-handle prevents further travel.



 Something like a header tank is never mounted anywhere near a movable 

 control, say within an inch, in case something slips, and hoses even 

 further away and clamped down in that region. And as for the instructions 

 and plans of anything that was optional, they were always taken as mild 

 suggestions.



 For example, I remember the plans for the optional cockpit heater kit was 

 written to place the little heater core on the floor between the rudder 

 pedals; no way. If they'd had a picture of this in the manual, they'd have 

 seen for themselves just how silly this location was before they issued 

 the instructions. Also, they'd change components and never change the 

 instructions. For example, your header tank might be a bit larger than the 

 one that the instructions were made for.



 Mike Perkins





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=300817#300817

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mikeperkins

Joined: 22 May 2007
Posts: 123

Posted: Thu Jun 10, 2010 7:55 am Post subject: Re: Header tank . . . and cockpit heater

I wound up putting my heater core forward of the the instrument panel facing down over the passenger's legs with a fan on top of it. I built a plenum around the core and used a higher-CFM fan than the one provided, but it still doesn't push much warm air around. The heat it produces is more of a suggestion of heat than anything else.

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