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Perfect Kolb?

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justin.a.hawkins

Joined: 21 Jul 2007
Posts: 3

Posted: Sun Jul 22, 2007 7:23 pm Post subject: Perfect Kolb?

Hi guys,

         Those of you who read my previous post know that I'm in the market for a kolb. I guess I just wanted to double check as to what is the best way for me to go. I'll tell you what I think I want, you tell me what I should get.



I need a two place

I'm at 6000' asl

I'll be flying all season, ranging from 40 degrees to 105

perfer a four stroke because they seem quiter.



I'm a commercial pilot with 1200hours in everything from a CRJ 200 to an avenger ultralight, which is the latest that I own. My budget is around $30K for the airplane, and I was thinking about a mkIII xtra with a 912. Is there a better combo? I'm not to into the glass cockpit, fancy stuff, just want a nice flier.

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mdnanwelch7(at)hotmail.co
Guest

Posted: Sun Jul 22, 2007 8:04 pm Post subject: Perfect Kolb?

Justin,

  Your selection of plane is the best choice around.       Period!



Regarding engine selection, I realize most in this group will always 

recommend the "tried and true" Rotax 912, and at that, you can't go wrong!!  

But, there are a couple of other engines that a few other listers subscribe 

to.

Namely; HKS, for one.  Light weight, moderate power, positive feedback from 

the present owners, so far.

GEO Metro (Suzuki) engine conversions.  Dependable as hell, fair power, kind 

of heavy for the HP, though.  This is my selection, and I am going to 

install a turbocharger on it.  Torque goes to about 107 ftlb at 3300 rpm.  

Should perform pretty good with turbo, so-so without it.  One incredible 

advantage of the Suzuki is the fuel usage.  Most customers report around 2.5 

(!!) gal/hr (or less), and around 2.25 gal/hr with a turbo!! By adding a 

turbo, the power goes up, and the fuel useage goes down!!

And, of course, there are a few people flying the VW based engines.  Can't 

go wrong there, either, but weight might be up a bit, too.  Big advantage of 

being air-cooled, also.

There was a time when I seriously thought about installing a Jabiru 80 HP 

direct drive.  Probably a very good engine.

  I think if money wasn't a factor, the 912 would be the best all around 

choice.  But, depending on your talents, and planned uses, there ARE 

alternatives.



                Best regards,   Mike in SW Utah



Oh yeah, and rethink that glass cockpit stuff!!  A good Dynon D180 would be 

awesome!!!!



Don't archive, it's just an opinion, I could be wrong.

From:  "justin.a.hawkins" <justin.a.hawkins(at)us.army.mil>

Reply-To:  kolb-list(at)matronics.com

To:  kolb-list(at)matronics.com

Subject:  Perfect Kolb?

Date:  Sun, 22 Jul 2007 20:23:24 -0700

 	  Quote: 	
		  

<justin.a.hawkins(at)us.army.mil>



Hi guys,

          Those of you who read my previous post know that I'm in the 

market for a kolb. I guess I just wanted to double check as to what is the 

best way for me to go. I'll tell you what I think I want, you tell me what 

I should get.



I need a two place

I'm at 6000' asl

I'll be flying all season, ranging from 40 degrees to 105

perfer a four stroke because they seem quiter.



I'm a commercial pilot with 1200hours in everything from a CRJ 200 to an 

avenger ultralight, which is the latest that I own. My budget is around 

$30K for the airplane, and I was thinking about a mkIII xtra with a 912. Is 

there a better combo? I'm not to into the glass cockpit, fancy stuff, just 

want a nice flier.





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=125283#125283






	


_________________________________________________________________

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rowedenny(at)windstream.n
Guest

Posted: Mon Jul 23, 2007 5:32 am Post subject: Perfect Kolb?

At your altitude, you will want the 912 or 912s with a 72 inch dia prop.

The HKS is not near enough engine for a MK-3 at high altitude and the Jab is 

limited to a 64 inch diameter prop, that is not as efficient as the bigger 

slower turning 912 prop.

Mk-3, Mk-3 extra or Kolbra are your best bets. Sit in all of them and you 

will know what you want.



Denny Rowe, MK-3

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j.codd(at)btopenworld.com
Guest

Posted: Mon Jul 23, 2007 10:57 am Post subject: Perfect Kolb?

---

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lucien

Joined: 03 Jun 2007
Posts: 721
Location: santa fe, NM

Posted: Mon Jul 23, 2007 1:21 pm Post subject: Re: Perfect Kolb?

 	  rowedenny(at)windstream.n wrote: 	
		  At your altitude, you will want the 912 or 912s with a 72 inch dia prop.

The HKS is not near enough engine for a MK-3 at high altitude and the Jab is 

limited to a 64 inch diameter prop, that is not as efficient as the bigger 

slower turning 912 prop.

Mk-3, Mk-3 extra or Kolbra are your best bets. Sit in all of them and you 

will know what you want.



Denny Rowe, MK-3 	




Agreed, as I fly a similarly sized plane (titan II SS) at 7000' MSL with the 912s... I'd say just go right to the 912s, the power reduction over sea level is substantial, at 6000' you'll be only around 70 to 75% throttle when wide open depending on the density altitude....



I like the looks of the Kolbra myself, though all my Kolb time is in my FS II at this point and havn't flown in the big 2-place Kolbs yet.....



LS

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_________________
LS
Titan II SS

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