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601XL O-200 Prop

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floyd wilkes

Joined: 11 Jun 2007
Posts: 39
Location: spring branch, tx

Posted: Sat Jun 28, 2008 2:22 pm Post subject: 601XL O-200 Prop

I would like to know what prop you are using with the O-200 engine.

I have the Sensenich W68ZK-57G which I was told is what AMD puts on the factory plane.  I am not getting the proper RPM with it.

Wondering if  I have wrong prop or an engine problem.



Floyd Wilkes

601XL O-200

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_________________
Floyd Wilkes

psm(at)att.net
Guest

Posted: Sat Jun 28, 2008 2:57 pm Post subject: 601XL O-200 Prop

Hi Floyd,



I am no prop expert, but the one used on the Jabiru in the FWF from 

Pete is the Sensenich W64ZK-49.  This is 4 inches shorter and has a 

pitch 8 inches smaller.  Considering the engine has 30 percent more 

horsepower than the O-200, it sounds like you might have the wrong 

one.  One issue to consider is the Jabiru turns more RPMs than the 

Continental so that might make a difference.



Culver has a a nice prop calculator online at 

http://www.culverprops.com/pitchselection.htm.  You might try it to 

see what prop you should be using for your engine and speed.



Good luck,



Paul

XL getting close

do not archive



At 03:22 PM 6/28/2008, you wrote:



 	  Quote: 	
		  I have the Sensenich W68ZK-57G which I was told is what AMD puts on 

the factory plane.  I am not getting the proper RPM with it.

Wondering if  I have wrong prop or an engine problem.

- The Matronics Zenith601-List Email Forum -

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jmaynard

Joined: 27 Feb 2008
Posts: 394
Location: Fairmont, MN (FRM)

Posted: Sat Jun 28, 2008 4:07 pm Post subject: 601XL O-200 Prop

On Sat, Jun 28, 2008 at 03:22:59PM -0700, floyd wilkes wrote:

 	  Quote: 	
		   I would like to know what prop you are using with the O-200 engine. I have

 the Sensenich W68ZK-57G which I was told is what AMD puts on the factory

 plane.  I am not getting the proper RPM with it. Wondering if I have wrong

 prop or an engine problem.


	


Yes, tha W68ZK-57G is what's on my Zodiac. What kind of RPM are you seeing?

I'm not having trouble getting up above 2600 in cruise flight at full

throttle. I haven't paid attention to what it is on the takeoff roll,

though; if you'd like, and I manage to commit aviation tomorrow morning,

I'll take a look.

-- 

Jay Maynard, K5ZC                   http://www.conmicro.com

http://jmaynard.livejournal.com      http://www.tronguy.net

Fairmont, MN (FRM)                        (Yes, that's me!)

AMD Zodiac CH601XLi N55ZC (got it!)

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_________________
Jay Maynard, K5ZC
AMD Zodiac XLi N55ZC

floyd wilkes

Joined: 11 Jun 2007
Posts: 39
Location: spring branch, tx

Posted: Sat Jun 28, 2008 4:31 pm Post subject: 601XL O-200 Prop

Static rpm is about 2240.  In flight it will not go above 2400 in level 

flight.  It took a dive to hit 2700.

My rate of climb tests today maxed out at 520 ft/min.



Guess I better check out the motor.  It is 0 SMOH and possibly could have a 

problem.

Floyd Wilkes

601XL O-200



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_________________
Floyd Wilkes

jmaynard

Joined: 27 Feb 2008
Posts: 394
Location: Fairmont, MN (FRM)

Posted: Sat Jun 28, 2008 6:06 pm Post subject: 601XL O-200 Prop

On Sat, Jun 28, 2008 at 07:31:00PM -0500, Floyd wrote:

 	  Quote: 	
		   Static rpm is about 2240.


	


Dumb question: How did you test this? Full power, on the ground, brakes

locked?



 	  Quote: 	
		   In flight it will not go above 2400 in level flight.  It took a dive to

 hit 2700. My rate of climb tests today maxed out at 520 ft/min.


	


I cruise at 2550 with no trouble at all, and that's throttled back a little.

I also get 800-1000 FPM climb right after takeoff solo with full fuel.

 

 	  Quote: 	
		   Guess I better check out the motor.  It is 0 SMOH and possibly could have a 

 problem.


	


Yeah, this seems like something that needs checking. I couldn't begin to

tell you what to look at, though.

-- 

Jay Maynard, K5ZC                   http://www.conmicro.com

http://jmaynard.livejournal.com      http://www.tronguy.net

Fairmont, MN (FRM)                        (Yes, that's me!)

AMD Zodiac CH601XLi N55ZC (got it!)

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_________________
Jay Maynard, K5ZC
AMD Zodiac XLi N55ZC

floyd wilkes

Joined: 11 Jun 2007
Posts: 39
Location: spring branch, tx

Posted: Sat Jun 28, 2008 7:29 pm Post subject: 601XL O-200 Prop

Yes, static test is full throttle holding the brakes.



Thanks for your information.  I will check the timing of the engine.  With a 

new overhaul, it is possible they have the valve timing off.  Will check 

that.



Floyd Wilkes

---

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_________________
Floyd Wilkes

jmaynard

Joined: 27 Feb 2008
Posts: 394
Location: Fairmont, MN (FRM)

Posted: Mon Jun 30, 2008 4:37 pm Post subject: 601XL O-200 Prop

On Sat, Jun 28, 2008 at 10:26:35PM -0500, Floyd wrote:

 	  Quote: 	
		   Yes, static test is full throttle holding the brakes.


	


This morning, I did this after my normal runup for a moment...and got 2350

RPM for a moment before I had to back off (the brakes could not hold the

aircraft).

-- 

Jay Maynard, K5ZC                   http://www.conmicro.com

http://jmaynard.livejournal.com      http://www.tronguy.net

Fairmont, MN (FRM)                        (Yes, that's me!)

AMD Zodiac CH601XLi N55ZC (got it!)

- The Matronics Zenith601-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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_________________
Jay Maynard, K5ZC
AMD Zodiac XLi N55ZC

floyd wilkes

Joined: 11 Jun 2007
Posts: 39
Location: spring branch, tx

Posted: Mon Jun 30, 2008 4:54 pm Post subject: 601XL O-200 Prop

Thanks for checking.



I found my problem.  The valve timing is off.  Time for a little warranty 

work!



My Dynon 180 was acting up a little so now will be a good time to send it in 

for a checkup.



Hopefully I will have everything fixed and ready to go in a couple weeks.



Floyd Wilkes



---

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_________________
Floyd Wilkes

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