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Constant Speed Propellers for 912S/ULS

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Martin Pohl

Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland

Posted: Mon Jan 30, 2006 6:36 am Post subject: Constant Speed Propellers for 912S/ULS

I intend to install a constant speed prop to my Zodiac XL / Rotax 912ULS.



Does anybody use a constant speed prop? Rospeller has a very nice and not too expensive prop... (www.rospeller-aero.de). Woodcomp RS2000 has not the very best reputation. How is the new RS3000? Anybody using a MT (very expensive though) or Hoffmann Prop?



Cheers

Martin

JetPilot

Joined: 10 Jan 2006
Posts: 1246

Posted: Mon Jan 30, 2006 5:25 pm Post subject: Re: Constant Speed Propellers for 912S/ULS

Very nice plane !



I dont know about constant speed props, but if you are looking for a high performance and smooth prop look at the Kiev Hot Prop.  I have not tried mine yet, but I have got it    It supposedly is much smoother and a good performer.



Michael A. Bigelow

_________________
"NO FEAR" - If you have no fear you did not go as fast as you could have !!!

Kolb MK-III Xtra, 912-S

malann(at)bigfoot.com.au
Guest

Posted: Tue Jan 31, 2006 1:27 am Post subject: Constant Speed Propellers for 912S/ULS

Hi Martin,

Good to see a list established for Rotax engines. I have been following the 

Europa list for some time as it seems the most active and has had good 

information on Rotax engines.

I have an Esqual with 180hrs on it. It uses a Rospeller 2 blade electric 

c/s. The performance is very good especially on initial acceleration and 

climb out. It appears to be very well made. I have had some problems with 

the wires breaking inside the insulation at the terminals on the electric 

motor due I think to excessive vibration. I have recently upgraded the 

wires from 22g to 18g which I hope will cure this. The prop controller is 

made by Filser in Germany and a negative is the small display and lack of 

backlighting. I have heard that it is being upgraded. TBO is 600 hrs on 

mine. I hope this might be extended if they have a history of satisfactory 

operation and little wear.

Malcolm Ferguson



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paul.mitchell2(at)homecal
Guest

Posted: Tue Jan 31, 2006 1:43 am Post subject: Constant Speed Propellers for 912S/ULS

Malcolm,

Which blades are you using?

Can you give us some performance figures. IAS against RPM and MAP.

Thanks,

Paul.

---

europa(at)triton.net
Guest

Posted: Tue Jan 31, 2006 5:27 am Post subject: Constant Speed Propellers for 912S/ULS

Check out Airmaster.  We have one on our Europa and it works well.  It is

recommended by Europa Aircraft.  Full feathering.

The website is http://www.airmasterpropellers.com/

Jim & Heather

Europa N241BW

JetPilot

Joined: 10 Jan 2006
Posts: 1246

Posted: Tue Jan 31, 2006 7:29 am Post subject: Re: Constant Speed Propellers for 912S/ULS

BTW, I looked everywhere on the Zodiac page, and I cannot find the prices anywhere.   What is the cost of the airframe kits for that plane ?  How much is the quickbuild option ?

_________________
"NO FEAR" - If you have no fear you did not go as fast as you could have !!!

Kolb MK-III Xtra, 912-S

Thom Riddle

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

Posted: Tue Jan 31, 2006 7:46 am Post subject: Constant Speed Propellers for 912S/ULS

We have a Woodcomp (ground adjustable) prop on the Allegro and it is a 

good prop and quiet. I don't have experience with their constant speed.



I also have an in-flight adjustable GSC prop. on my Titan Tornado. It 

is a great prop. In my opinion, unless you have all the money in the 

world to spend, an in-flight adjustable prop gives you the performance 

of a constant speed at a much less expensive price and much less 

maintenance. It is simple and easy to operate, just not automatic.



Thom in Buffalo

do not archive

_________________
Thom Riddle
Buffalo, NY (9G0)

Don't worry about old age... it doesn't last very long.
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Mark Burton

Joined: 10 Jan 2006
Posts: 74

Posted: Tue Jan 31, 2006 10:36 am Post subject: Re: Constant Speed Propellers for 912S/ULS

Hello Martin,



Please take a look at www.smartavionics.com where you will find info on constant speed controllers for Arplast PV50 and other propellers (Rospeller, Woodcomp, etc.) More than 80 have been sold all around the world.



I have an Arplast PV50 on my 912 powered Europa and I can't fault its performance.



Unfortunately, I have a short-term component supply problem so I can't actually ship any CS units at the moment but I expect this to be sorted before too long.



Regards,



Mark

malann(at)bigfoot.com.au
Guest

Posted: Wed Feb 01, 2006 1:55 am Post subject: Constant Speed Propellers for 912S/ULS

Paul,

Using 174cm diam. scimitar blades.

5500rpm 2000' 27"map TAS  143kts.

5150rpm(usual cruise revs) 2000' 27.5"map TAS 140kts 22l/hr

5150rpm  7000'  23"map TAS 137 kts 21l/hr

5150rpm  2000'  22'map TAS  108kts 13l/hr

Malcolm Ferguson

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paul.mitchell2(at)homecal
Guest

Posted: Wed Feb 01, 2006 2:11 am Post subject: Constant Speed Propellers for 912S/ULS

Thanks,

Looks impressive. Thanks

Paul

---

Tommy Walker

Joined: 12 Jan 2006
Posts: 442
Location: Anniston, AL 36207

Posted: Wed Feb 01, 2006 10:28 am Post subject: Re: Constant Speed Propellers for 912S/ULS

 	  JetPilot wrote: 	
		  BTW, I looked everywhere on the Zodiac page, and I cannot find the prices anywhere.   What is the cost of the airframe kits for that plane ?  How much is the quickbuild option ? 	




Hi, is this what you are looking for?



http://www.zenithair.com/zodiac/xl/xl-price.html



Tommy Walker in Alabama

_________________
Tommy Walker
N25A - Anniston, AL

JetPilot

Joined: 10 Jan 2006
Posts: 1246

Posted: Wed Feb 01, 2006 1:40 pm Post subject: Re: Constant Speed Propellers for 912S/ULS

Yeah, that was it.  The plane is less expensive than I thought it would be   



I dont see the quick build option listed, any idea how much that is ?



Thanks

_________________
"NO FEAR" - If you have no fear you did not go as fast as you could have !!!

Kolb MK-III Xtra, 912-S

Tommy Walker

Joined: 12 Jan 2006
Posts: 442
Location: Anniston, AL 36207

Posted: Wed Feb 01, 2006 2:07 pm Post subject: Re: Constant Speed Propellers for 912S/ULS

 	  JetPilot wrote: 	
		  Yeah, that was it.  The plane is less expensive than I thought it would be   



I dont see the quick build option listed, any idea how much that is ?



Thanks 	




Here's your link:



http://www.zenithair.com/zodiac/xl/xl-qbk.html

_________________
Tommy Walker
N25A - Anniston, AL

Martin Pohl

Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland

Posted: Thu Feb 02, 2006 7:51 am Post subject: Re: Constant Speed Propellers for 912S/ULS

Thanks for everybody's info!!!



Is somebody flying the Rospeller Prop (2 or 3 blade)? The system seems to be very simple and reliable.



Cheers Martin



______________________

Martin Pohl

Zodiac XL QBK

Jona, Switzerland

malann(at)bigfoot.com.au
Guest

Posted: Fri Feb 03, 2006 2:36 am Post subject: Constant Speed Propellers for 912S/ULS

Check out this url. It has quite a comprehensive article on fitting a c/s 

prop to a Europa. It is some 3-4years old I think.

http://www.crixbinfield.freeserve.co.uk/Mods/rospeller.htm

Malcolm Ferguson



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Bob Griffin

Joined: 22 Jan 2006
Posts: 34
Location: Slingerlands,NY

Posted: Sat Feb 04, 2006 4:08 pm Post subject: Constant Speed Propellers for 912S/ULS

Hi Guys   Just a reminder, I'm sure most know that the new "light Sport Aircraft catagory" doesn't allow (constant speed props) on their planes. This is just in regards to LSA.

 Fly Safe 

 Bob Griffin

 

 Parameters of a Light-Sport Aircraft

 

 To be defined as a light-sport aircraft, the aircraft must meet the following parameters:

 

 Maximum gross takeoff weight-1,320 lbs (599 kg.), 1,430 lbs. for water operation.

  Lighter-than-air light-sport aircraft maximum gross weight-660 lbs (300 kg.)

  Maximum stall speed-51 mph (45 knots)

  Maximum speed in level flight with maximum continuous power (Vh)-138 mph (120 knots)

  Two-place maximum (pilot and one passenger)

  Single, non-turbine engine only, including rotary and diesel engines

  Fixed or ground adjustable propeller

  Unpressurized cabin

  Fixed landing gear

  Repositionable landing gear for seaplanes allowing the wheels to be rotated for amphibious operation.

  Can be manufactured and sold ready-to-fly under a new Special Light-Sport (S-LSA) aircraft certification without FAR Part 23 compliance. Aircraft must meet ASTM (American Society of Testing and Materials, Int'l) consensus standards. Aircraft under this certification may be used for sport and recreation, flight training, and aircraft rental.

  Can be licensed Experimental Light-Sport Aircraft (E-LSA) if kit- or plans-built. Aircraft under this certification may be used only for sport and recreation and flight instruction for the owner of the aircraft.

  Can be licensed Experimental Light-Sport Aircraft (E-LSA) if it was kit- or plans-built and operated as an ultralight trainers. Application must be submitted within 36 months after the effective date of the rule. 

  Will have FAA registration-N-number.

  Aircraft category and class includes: Airplane (Land/Sea), Gyroplane, Airship, Balloon, Weight-Shift-Control (Trike Land/Sea), and Powered Parachute (land/sea).

  U.S. or foreign manufacture of light-sport aircraft is authorized.

  May be operated at night by a private pilot if the aircraft is equipped per FAR 91.209 and the pilot holds a minimum of a third-class medical).

_________________
Fly Safe
Bob Griffin
Slingerlands, NY

Martin Pohl

Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland

Posted: Wed Feb 08, 2006 1:35 am Post subject: Re: Constant Speed Propellers for 912S/ULS

(at)Malcolm: Thank you for the link of the Rospeller-equipped Europa.



A good friend of mine flies a REMOS G3 with Rotax 912ULS and Rospeller 2-blade prop. He logged 400 hours so far and is VERY happy with the engine/prop-combination.



Martin

_________________
Martin Pohl
Zodiac XL QBK
8645 Jona, Switzerland
http://www.pohltec.ch/ZodiacXL/Main.html

ami(at)MCFADYEAN.FREESERV
Guest

Posted: Wed Feb 08, 2006 1:44 pm Post subject: Constant Speed Propellers for 912S/ULS

How does that compare to the original Remos prop?



Duncan.



---

Martin Pohl

Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland

Posted: Mon Mar 06, 2006 7:17 am Post subject: Re: Constant Speed Propellers for 912S/ULS

I will ask my friend, if he has some experience with the normal prop for the Remos.



Martin

_________________
Martin Pohl
Zodiac XL QBK
8645 Jona, Switzerland
http://www.pohltec.ch/ZodiacXL/Main.html

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