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Nube question

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GeoB

Joined: 16 Jun 2009
Posts: 207
Location: Fresno, CA

Posted: Wed Jul 14, 2010 7:59 pm Post subject: Nube question

Hey! Suppose I had an early Firestar. Suppose I had no engine, so I lashed

on my Zenoah 242cc G25-B, rated at either 22, 24, 26 hp (depending on state

of tune and whim of rater) with 2.5:1 reduction turning a 54x28 2-blade

wooden Arrow prop. Do you suppose a 200 lb feller could get off the ground

with this setup? If so.. what kinda performance should he expect?



Thanks

GeoB

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GeoB

"Members of Congress should be compelled to wear uniforms like NASCAR drivers, so we could identify their corporate sponsors"

flykolb(at)pa.net
Guest

Posted: Thu Jul 15, 2010 4:02 am Post subject: Nube question

GeoB,



If want a lighter engine, I would look for a Rotax 277, it has about 5 more

hp than the Zenoah which is actually 22 HP I think.  (I presume wanting a

legal UL is the reason for the smaller engine.)  We flew a FS with a 277 and

it did ok ... as I recall it had about 700 fpm climb on a good day; less on

other days.   It think you would be disappointed with a Zenoah, but you need

to determine what your climb requirements are.  We had the 277 on a KXP; if

you have an early FS with 5 rib wing, etc., and it is lightly built with not

too many weight adding options, you'll probably do a little better than we

did with the KXP.



Dennis



--

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GeoB

Joined: 16 Jun 2009
Posts: 207
Location: Fresno, CA

Posted: Thu Jul 15, 2010 10:56 am Post subject: Re: Nube question

>If want a lighter engine, I would look for a Rotax 277



OK.. the deal here is that I am not a pilot. I don't know diddly about tail-draggers. I have had a few lessons in tricycle gear planes. I am *playing* with the idea of using a Generac engine on this plane. Generac is not quite ready yet. I might sell the existing 503 for funds, though it is a fairly remote possibility. Positing such an action, I wondered if I could install one of my Zenoahs just to learn ground handling of the tail-dragger. Which led me to try to imagine what would happen if I was doing crow-hops or fast taxiing and ran out of runway. Would the Zenoah have enough power to do a gentle go-around, or should I just crash into the woods for a fiery screaming death?

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GeoB

"Members of Congress should be compelled to wear uniforms like NASCAR drivers, so we could identify their corporate sponsors"

GeoB

Joined: 16 Jun 2009
Posts: 207
Location: Fresno, CA

Posted: Thu Jul 15, 2010 11:01 am Post subject: Re: Nube question

> more hp than the Zenoah which is actually 22 HP I think.



I have read various hp ratings. I have two different size carbs which were used on this engine right from the factory... a Mikuni pumper and a reg'ler Mikuni slide-valve. I have a round fat short muffler and pipe, and I also have a tuned pipe (expansion chamber) with a rudimentary muffler on the end. I assume that the hp is not the same between all the models because of the various stock equipment like this.

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GeoB

"Members of Congress should be compelled to wear uniforms like NASCAR drivers, so we could identify their corporate sponsors"

slyck(at)frontiernet.net
Guest

Posted: Thu Jul 15, 2010 11:10 am Post subject: Nube question

get a bigger runway or saw the trees down. 

BB



On 15, Jul 2010, at 2:56 PM, GeoB wrote:



 	  Quote: 	
		   

 

> If want a lighter engine, I would look for a Rotax 277

 

 OK.. the deal here is that I am not a pilot. I don't know diddly about tail-draggers. I have had a few lessons in tricycle gear planes. I am *playing* with the idea of using a Generac engine on this plane. Generac is not quite ready yet. I might sell the existing 503 for funds, though it is a fairly remote possibility. Positing such an action, I wondered if I could install one of my Zenoahs just to learn ground handling of the tail-dragger. Which led me to try to imagine what would happen if I was doing crow-hops or fast taxiing and ran out of runway. Would the Zenoah have enough power to do a gentle go-around, or should I just crash into the woods for a fiery screaming death?

 

 --------

 GeoB

 

 &quot;Members of Congress should be compelled to wear uniforms like NASCAR drivers, so we could identify their corporate sponsors&quot;

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=304959#304959

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Dana

Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA

Posted: Fri Jul 16, 2010 6:29 pm Post subject: Nube question

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

"GeoB" <gab16(at)sbcglobal.net> wrote:

(15/07/2010 14:56)



 

 	  Quote: 	
		   OK.. the deal here is that I am not a pilot. I don't know diddly about tail-draggers. I have had a few lessons in tricycle gear planes. I am *playing* with the idea of using a Generac engine on this plane. Generac is not quite ready yet. I might sell the existing 503 for funds, though it is a fairly remote possibility. Positing such an action, I wondered if I could install one of my Zenoahs just to learn ground handling of the tail-dragger. Which led me to try to imagine what would happen if I was doing crow-hops or fast taxiing and ran out of runway. Would the Zenoah have enough power to do a gentle go-around, or should I just crash into the woods for a fiery screaming death?


	


Doesn't the Generac weigh as much as the 503?

Learning to ground handle a taildragger isn't a big deal; certainly 

not worth putting an undersize engine on.  And an undersized engine is

asking for trouble if you do get airborne.



-Dana

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