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BMW R100 on Kolbs

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neilsenrmf(at)comcast.net
Guest

Posted: Fri Mar 10, 2006 5:31 pm Post subject: BMW R100 on Kolbs

Jason



It's great to hear from you. Yes there is usually allot of comments on 

alternative engines because those that have spent so much on their 912s just 

can't stand to hear that they spent too much.



We need alternative engines for our Kolb's. Rotax has had a lock on aircraft 

engines for too long and make us (some of us) pay way too much. They do have 

a good product at least in their 4 stroke engines. I have no doubt that with 

a bit of refinement some other engine could be as good for a bunch less 

money.



Please tell us about your engines. I know there are GEOs, BMWs. other VWs 

and maybe others out there that we don't hear about. Yes there are 912 fans 

that always jump in and tell us about the zillion hours they have on their 

engines. We know how good your engines are. That's not the point.  We want 

to hear from those people that are developing other engines....... Those of 

that don't have that kind of money or choose not to spend that kind of money 

on their airplanes need to hear from you.



I will get off my soap box now.......



Rick Neilsen

Redrive VW Powered MKIIIc

---

John Hauck

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

Posted: Fri Mar 10, 2006 5:54 pm Post subject: BMW R100 on Kolbs

| Us alternate engine'ers are a

| little shy about posting on the list because it always seems to 

start a

| discussion like seafoam, leading edge reinforcement and 2 stroke

| reliability.  I must have thin skin, because it seems like it would 

be hard

| to walk away feeling good about what you shared and peoples response 

to it.

|

| Jason



Jason:



I can understand how you feel.  I have had my share of being told I 

was full of crap.  However, it is a discussion group and maybe we 

should look at it that way.  Everyone will never agree on anything on 

this list or any other.



A lot of comments come from folks with little or zero Kolb experience. 

Not easy, but consider the source and drive on.



I for one am interested in the BMW conversions.  I would like to see 

one of the newer engines, like the 100hp on the R1200GS on a MKIII, 

Kolbra, or Xtra.  The 85 hp BMW would make a nice engine also.  All of 

them will do better going through a gearbox, I think.



I noticed on Tim Warlicks photos that he had brought the air intakes 

to the carbs 180 to face into the wind.  I have found the Bing CV carb 

performs better when in the normal BMW position facing to the rear. 

The reason is these carbs do not like forced air because it upsets the 

differences in static pressure which results in incorrect fuel 

calibration by the vacuum piston.   One of our Kolb people 

experimented with reversing the 912 intake manifolds to reverse the 

intakes on the Bing carbs.  It worked much better in this 

configuration.



Don't be shy.  I don't think anyone has actually drawn any blood on 

the Kolb List, although some of you all would love to see me bleed a 

little, I am sure.  



Take care,



john h

MKIII with the other kind of engine.................

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

edchmiel(at)mindspring.co
Guest

Posted: Fri Mar 10, 2006 9:43 pm Post subject: BMW R100 on Kolbs

Hi Jason,



        I look forward to any and all alternative power posts.  Let us know 

how the BMW engine works, good or bad we need to know.



 Ed in JXN

MkII/503

Do not archive.



---

ElleryWeld(at)aol.com
Guest

Posted: Sat Mar 11, 2006 4:16 am Post subject: BMW R100 on Kolbs

if you guys could add pics and info about your BMW experience You would be 

adding very interesting info to the list I dont know about anyone elses feelings 

but me for one am very interested in what you have done and I would like to 

know more you can send it to me off list if you really dont want to post it on 

list I will understand 



Ellery



do not archive

Thom Riddle

Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)

Posted: Sat Mar 11, 2006 5:51 am Post subject: Re: BMW R100 on Kolbs

Jason and Rick other "off-brand" engine flyers,



I have two airplanes both with 912 engines but would LOVE to see a good competitive engine at much lower price. I have the 912 engines because I'm not much of an experiementer. They are great engines but I really like hearing about the alternatives. Please keep us all posted on whatever your experiences are with your experiements. This is not a competition about who has the best engine and when the discussion degenerates to that I quit reading it. Just be sure that there are plenty of us, even 912 owners, who want to know as much as we can about others engines.



Thom in Buffalo

_________________
Thom Riddle
Buffalo, NY (9G0)

Don't worry about old age... it doesn't last very long.
- Anonymous

Kirk Smith

Joined: 10 Jan 2006
Posts: 78
Location: SE Michigan

Posted: Sat Mar 11, 2006 7:15 am Post subject: BMW R100 on Kolbs

, because it seems like it would

 	  Quote: 	
		   be hard

 | to walk away feeling good about what you shared and peoples response

 to it.

 |

 | Jason


	




Jason,



  Feel free to send any info on BMW  engine applications you want to share ,

to my email address snuffy(at)usol.com.

 I can assure you a positive response here.    Kirk



Do not archive

John Jung

Joined: 10 Jan 2006
Posts: 108
Location: Surprise, AZ, USA

Posted: Sat Mar 11, 2006 9:45 am Post subject: Re: BMW R100 on Kolbs

Jason, 



I would like to encourage you and other BMW flyers to post their finding on the list. While a few on the list seem defensive, there are many that are open to new ideas. 



I just spent an hour searching the archives about BMW's on Kolbs. I found that the cost is around $3000, the weight is about 146 pounds, the hp is around 70, the thrustline with a Rotax C box in the down position is about right. There also seems to be some question on the availability of adapters for the gear box, and maybe the availability of the R100 itself.



But if I had the chance to put a BMW on my Firestar II for less than $4,000, I would consider it. I welcome any information about alternative engines. If I don't like what I read, I can keep flying with my 503. I would like to replace my 503 with a 4-stroke before it is wore out.

_________________
John Jung
Firestar II N6163J
Surprise, AZ

Earl Zimmerman

Joined: 13 Jan 2006
Posts: 35
Location: Elizabethtown, PA

Posted: Sat Mar 11, 2006 3:55 pm Post subject: BMW R100 on Kolbs

Copied this off of the engines list.  ~ Earl



 	  Quote: 	
		   Here's a Beemer on a Firestar:

 http://www.daytonulclub.org/id151.htm

 

 There are a number of Avids that use BMW engines.  An

 Avid dealer use to sell adapter plates in Idaho, but I

 don't see it on their site any longer.  Here's some

 other info:

 http://www.ultralightnews.com/engineinfo/bmwconversion.htm

Eugene Zimmerman

Joined: 10 Jan 2006
Posts: 392

Posted: Sat Mar 11, 2006 4:13 pm Post subject: BMW R100 on Kolbs

On Mar 11, 2006, at 6:52 PM, Earl & Mim Zimmerman wrote:



 	  Quote: 	
		   Copied this off of the engines list.  ~ Earl



> Here's a Beemer on a Firestar:

> http://www.daytonulclub.org/id151.htm


	


Ok but,

It is not a Firestar.

jimh474(at)earthlink.net
Guest

Posted: Sat Mar 11, 2006 4:17 pm Post subject: BMW R100 on Kolbs

Folks, I do believe that is a MKIIIX



Jim Hauck

On 3/11/2006 6:52:39 PM, kolb-list(at)matronics.com wrote:

 	  Quote: 	
		   

 

 Copied this off of the engines list.  ~ Earl

 

 >

 Here's a Beemer on a Firestar:

 > http://www.daytonulclub.org/id151.htm

 >

 > There are a number of Avids that use BMW engines.  An

 > Avid dealer use to sell adapter plates in Idaho, but I

 > don't

 see it on their site any longer.  Here's some

 > other info:

 > http://www.ultralightnews.com/engineinfo/bmwconversion.htm

slyck(at)frontiernet.net
Guest

Posted: Sat Mar 11, 2006 5:23 pm Post subject: BMW R100 on Kolbs

Registered to a long time lister, according to FAA records:   Hans Van 

Alphen

-BB  do not archive

On 11, Mar 2006, at 7:17 PM, JW Hauck wrote:



 	  Quote: 	
		   



 Folks, I do believe that is a MKIIIX



 Jim Hauck

 On 3/11/2006 6:52:39 PM, kolb-list(at)matronics.com wrote:

> 

> <emzi(at)supernet.com>

>

> Copied this off of the engines list.  ~ Earl

>

>>

> Here's a Beemer on a Firestar:

>> http://www.daytonulclub.org/id151.htm

>>

>> There are a number of Avids that use BMW engines.  An

>> Avid dealer use to sell adapter plates in Idaho, but I

>> don't

> see it on their site any longer.  Here's some

>> other info:

>> http://www.ultralightnews.com/engineinfo/bmwconversion.htm

>

John Jung

Joined: 10 Jan 2006
Posts: 108
Location: Surprise, AZ, USA

Posted: Sat Mar 11, 2006 5:57 pm Post subject: Re: BMW R100 on Kolbs

Here is a link to the BMW Extra (not Firestar)  that works better:



http://www.daytonulclub.org/id149.htm

_________________
John Jung
Firestar II N6163J
Surprise, AZ

Denny Rowe

Joined: 10 Jan 2006
Posts: 89
Location: Leechburg, PA

Posted: Sun Mar 12, 2006 6:14 am Post subject: BMW R100 on Kolbs

Guys,

I also want to hear everything you BMW flyers and builders are willing to 

share, also Jabiru flyers, it seems there is a growing number of both out 

there.



Denny Rowe, Mk-3, 2SI 690L-70

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