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miyer2u(at)yahoo.com
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 Posted: Wed Aug 19, 2009 9:09 am Post subject: Cockpit controlled trim for Firestar-2 - Request Inputs |
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Dear Fellow Kolbers,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
I am writing to this list for the first time and wanted to thank you all for the immense knowledge that you share!
I fly a Kolb Firestar-2 out of <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Ashland in Oregon and am enjoying it. I wanted some expert advice on building a cockpit controlled trim for my Firestar-2.
Can any of you guide me with some good designs that I could use as a starting point to build? After flying the Cessna’s for quite some time, I am pampered by the use of the trim wheel and want to build something close to it for my Firestar-2.
Once again, thanks much for your contributions!
Mahesh Iyer
N194 DS, Phoenix, Oregon
Kolb Firestar 2 – Powered by a Rotax 503 DCDI, driven by a three blade IVO prop
The joy of Flight ……Nothing comes closer, it’s a romance for life!
[quote][b]
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lcottrell
Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or
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| Posted: Wed Aug 19, 2009 10:23 am Post subject: Cockpit controlled trim for Firestar-2 - Request Inputs |
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Hi,
I also fly a Firestar II in Jordan Valley, Oregon. I believe that Roger has told you of me. I now have 499.3 hours on my Firestar, but only use a trim tab on my elevator. I suppose that one could go to all the trouble of installing a mechanical trim tab, but I have never found it worth the effort to do so. What I did do was install a trim tab (according to Kolbs instruction, Pat) and simply kept cutting small increments off it until it quit climbing at what ever speed that I chose. In my case about 75 percent of power. That way if I want to climb, I give it more power and the climb is regulated by the amount of power applied. If I wish to descend, I merely reduce power or point the nose to the ground.
However this is only the way that I do it, you may require other methods.
Larry C
[quote] ---
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eagle1live(at)yahoo.com
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| Posted: Wed Aug 19, 2009 10:23 am Post subject: Cockpit controlled trim for Firestar-2 - Request Inputs |
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John Hauk has the simplest trim adjustment that can be made. It's simple, foolproof and cheap and you can't beat that.
I would send it to you but I deleated it. Ask him to repeat it.
A former builder of a Firestar and a Firestar II.
From: Mahesh Iyer <miyer2u(at)yahoo.com>
To: kolb-list(at)matronics.com
Sent: Wednesday, August 19, 2009 10:02:32 AM
Subject: Cockpit controlled trim for Firestar-2 - Request Inputs
Dear Fellow Kolbers,
I am writing to this list for the first time and wanted to thank you all for the immense knowledge that you share!
I fly a Kolb Firestar-2 out of Ashland in Oregon and am enjoying it. I wanted some expert advice on building a cockpit controlled trim for my Firestar-2.
Can any of you guide me with some good designs that I could use as a starting point to build? After flying the Cessna’s for quite some time, I am pampered by the use of the trim wheel and want to build something close to it for my Firestar-2.
Once again, thanks much for your contributions!
Mahesh Iyer
N194 DS, Phoenix , Oregon
Kolb Firestar 2 – Powered by a Rotax 503 DCDI, driven by a three blade IVO prop
The joy of Flight ……Nothing comes closer, it’s a romance for life!
[quote][b][b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
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capedavis(at)yahoo.com
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| Posted: Wed Aug 19, 2009 10:24 am Post subject: Cockpit controlled trim for Firestar-2 - Request Inputs |
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Mahesh I grew up with a 172 also , when I wanted to take aerial photos and needed to use both hands I needed an adjustable elevator trim and
I was used to the wheel from the Cessna and I found that Rans Aircraft makes one ,an easy installation and I cut about 10 inches off the width it was about 4 inches by 24 inches and I didnt think I need that much. The adjustment wheel mounted nicely on the cockpit frame just ahead and outboard of the throttle This was in 1993 or 94 and they sold it for $125 I dont know if they still sell it or not but if they do it was a great deal and I used it for 9 years ,still worked great when I sold the aircraft! Hope this helps
Chris Davis
KXP 503 492 hrs
Glider Pilot
Disabled from crash building Firefly
From: Mahesh Iyer <miyer2u(at)yahoo.com>
To: kolb-list(at)matronics.com
Sent: Wednesday, August 19, 2009 1:02:32 PM
Subject: Cockpit controlled trim for Firestar-2 - Request Inputs
Dear Fellow Kolbers,
I am writing to this list for the first time and wanted to thank you all for the immense knowledge that you share!
I fly a Kolb Firestar-2 out of Ashland in Oregon and am enjoying it. I wanted some expert advice on building a cockpit controlled trim for my Firestar-2.
Can any of you guide me with some good designs that I could use as a starting point to build? After flying the Cessna’s for quite some time, I am pampered by the use of the trim wheel and want to build something close to it for my Firestar-2.
Once again, thanks much for your contributions!
Mahesh Iyer
N194 DS, Phoenix , Oregon
Kolb Firestar 2 – Powered by a Rotax 503 DCDI, driven by a three blade IVO prop
The joy of Flight ……Nothing comes closer, it’s a romance for life!
[quote] ================== [b]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
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JetPilot
Joined: 10 Jan 2006
Posts: 1246
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| Posted: Wed Aug 19, 2009 11:16 am Post subject: Re: Cockpit controlled trim for Firestar-2 - Request Inputs |
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In my opinion, the best and lightest trim system you can get for a small experimental airplane is the Electric trim system made by Ray Allen Company. This system is super easy to install, because there are no mechanical cables that need to be routed, instead its wires that are routed to the elevator servo. This system has an electronic indicator, and can be actuated by a panel mounted switch or by a stick mounted buttons that that they sell ( Just like a real airplane  ) !
http://www.rayallencompany.com/products/trimsystems.html
I have used this system in an airplane that had it on both rudder and elevator, its wonderful, ergonomic and elegant, reminds me of the type of installation you would find in a jet or other quality aircraft. I liked it so much, I am building one into another airplane right now.
Now for an important warning, be careful with trim tabs and adding any weight to the elevator. This goes for both mechanical and electric trim tabs. A loose trim tab can easily cause flutter and be fatal if it has any play, comes loose, or is not designed correctly. Adding weight to a control surface can easily cause flutter and be fatal, I would add counterweights to my elevator if I did this on my Kolb. Remember, any type of trim tab is highly experimental, and should be pursued with the highest caution. They are wonderful to have, but they are not forgiving of mistakes and have been fatal in many cases. If you are in doubt, get help from your local EAA chapter, or someone that is an expert in the field.
Mike
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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"NO FEAR" - If you have no fear you did not go as fast as you could have !!!
Kolb MK-III Xtra, 912-S |
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capedavis(at)yahoo.com
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| Posted: Mon Aug 31, 2009 2:19 pm Post subject: Cockpit controlled trim for Firestar-2 - Request Inputs |
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Mahesh, I found that Rans trim I email you about you can see it at http://www.shoprans.com/ElevatorTrim.asp good luck .m glad you asked as I will order on for the Firefly I am building! Chris
Chris Davis
KXP 503 492 hrs
Glider Pilot
Disabled from crash building Firefly
From: Mahesh Iyer <miyer2u(at)yahoo.com>
To: kolb-list(at)matronics.com
Sent: Wednesday, August 19, 2009 1:02:32 PM
Subject: Kolb-List: Cockpit controlled trim for Firestar-2 - Request Inputs
Dear Fellow Kolbers,
I am writing to this list for the first time and wanted to thank you all for the immense knowledge that you share!
I fly a Kolb Firestar-2 out of Ashland in Oregon and am enjoying it. I wanted some expert advice on building a cockpit controlled trim for my Firestar-2.
Can any of you guide me with some good designs that I could use as a starting point to build? After flying the Cessna’s for quite some time, I am pampered by the use of the trim wheel and want to build something close to it for my Firestar-2.
Once again, thanks much for your contributions!
Mahesh Iyer
N194 DS, Phoenix , Oregon
Kolb Firestar 2 – Powered by a Rotax 503 DCDI, driven by a three blade IVO prop
The joy of Flight ……Nothing comes closer, it’s a romance for life!
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
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