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GSC propeller and CH701

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Jari.Kaija(at)pkcgroup.co
Guest

Posted: Fri Sep 29, 2006 1:05 am Post subject: GSC propeller and CH701

Especially for builders, who has GSC's 3-blade wood propeller on your CH701

with R912 or R912S.

Could you get answer for few question:

-     Diameter of your propeller 68", 72"....

-     Engine type (912, 912S, 914 other...)

-     Blade angle (if flying or tested or....)

-     Cruising speed (if flying...)



(See attached file: rupelli.jpg)



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graeme(at)coletoolcentre.
Guest

Posted: Fri Sep 29, 2006 5:39 am Post subject: GSC propeller and CH701

Unfortunatly I had a gsc propellor on my ch701 with a 582.

There ar ADs on these propellors and if it has ever been out in the weather 

I would change it. I had

 a catastrophic blade failure which also took the top of the gearbox with 

the second blade.

the prop was well within the ad time less than 200 hrs.

Landed heavily in a cane paddock and took a year to rebuild and re engine 

with a 912.and cost plenty .

It would have much much cheaper to throw away the gsc propellor.

I suggest a composite bladed propellor not clamped wood, wood is subject to 

weather and shrinkage and expansion etc



sorry for the bad report.



Graeme



 Original Message ----- 

From: <Jari.Kaija(at)pkcgroup.com>

To: <zenith-list(at)matronics.com>

Sent: Friday, September 29, 2006 7:04 PM

Subject: GSC propeller and CH701

 	  Quote: 	
		  



 Especially for builders, who has GSC's 3-blade wood propeller on your 

 CH701

 with R912 or R912S.

 Could you get answer for few question:

 -     Diameter of your propeller 68", 72"....

 -     Engine type (912, 912S, 914 other...)

 -     Blade angle (if flying or tested or....)

 -     Cruising speed (if flying...)



 (See attached file: rupelli.jpg)



 This e-mail is intended only for the individual or entity to which it is

 addressed. The e-mail may contain information that is privileged and

 confidential. If the reader of this e-mail is not the intended recipient,

 or the employee or agent responsible for delivering the e-mail to the

 intended recipient, you are hereby notified that any distribution,

 dissemination, copying or any other use of the information is strictly

 prohibited. If you have received this e-mail in error, please notify the

 sender immediately by replying to the e-mail and delete the e-mail and any

 copies thereof. Thank You.


	




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

Jari Kaija

Joined: 23 Feb 2006
Posts: 69

Posted: Fri Sep 29, 2006 7:28 am Post subject: GSC propeller and CH701

 	  Quote: 	
		   sorry for the bad report.


	


This didn't sound good at all! Yes, this is a brand new one. 

If this is a really true problem with this propeller, I will let

it stay on the wall as an ornament.



Any other owners?

savannah174(at)msn.com
Guest

Posted: Fri Sep 29, 2006 9:16 am Post subject: GSC propeller and CH701

5 years ago that same prop mounted on an S-10 #3 blade seperated. The The 

aircraft was rounding to final alt 550 ft the fatal crash was 800 ft from 

runway. FAA investigators still to this day cannot close this case, many of 

us that were using this prop removed them and as you suggested became wall 

mounted decorations. Having said this there are many who swear by them and 

that's OK too but since it happen to one of our club members we think 

differently. Cheer

RJ

---

sonar1(at)cox.net
Guest

Posted: Fri Sep 29, 2006 10:23 am Post subject: GSC propeller and CH701

There are warnings not to let the GSC sit out in the sun or fly it in 

the rain. I sewed up a prop cover from some "sumbrella" fabric, and have 

noticed no degradation in 1.5 years......



Fred Sanford  N9701  912ul  70 hours

planejim(at)bellsouth.net
Guest

Posted: Fri Sep 29, 2006 1:26 pm Post subject: GSC propeller and CH701

Listers,



A few additional comments about GSC props. I have the fiberglass inlaid 

leading edges on my 3 blade GSC mounted on a Rotax 912UL (80 HP). I had been 

warned not to fly it in the rain back when I started operating the prop ( 

nearly 10 years now). Got caught in a couple minor showers during the first 

500 hours. I kept the airplane under a roof, with the blades covered with 

some covers I got from the Kitfox folks. But the  afternoon sun hit the 

airplane every afternoon. I remember receiving info saying that GSC wanted 

the prop back at their facility at 500 hours or 5 years. I stretched  it out 

to 9 years and 500 hours. The hub looked fine but the blades needed 

refinished at least thats what I thought. When I removed the prop and 

disassembled it for shipping I found the bolts that pass though the wood 

blades at the inboard end were in sad shape but not ready to fail.



When the prop arrived at GSC, Rick called me and recommended new blades. He 

said it wouldn't be economically viable to to redo the blades. I went with 

that when he discounted the new blades in price. I've since reinstalled the 

prop but plan to remove it at 500 hours (1000 A/C hours) at least to check 

those bolts. The airplane is now in a hangar and I believe the blades will 

hold up much better.



One other thing I discovered; I torqued the attach bolts originally in warm 

weather. When it turned cold, I found a couple of the had loosened. I do a 

regular torque check to prevent this from recurring.



To conclude, since the GSC prop came with the kit, I used it. It runs 

smooth, doesn't weigh much and with care, should do the job. I'm sure there 

are other great choices out there. If I were building from scratch or didn't 

get the FWF Kit from ZAC I would look at several choices.



Jim Hoak 601HD - Rotax 912 UL - 531 hours



---

ggower_99(at)yahoo.com
Guest

Posted: Fri Sep 29, 2006 11:06 pm Post subject: GSC propeller and CH701

Hello Jari and group,



Here in our Club, in the hangar next door,   there is a Falcon XP (canard)  that originally came with a 503 (Rotax 2 cycle)  and a GSC 3 blade,   Later the engine was changed for a 582 for better performance in our altitude, with the same GSC propeller.  The GSC  flew the airplane for several years...   The pilots flys a lot, even during the week days.



The propeller was a pusher and twice a year was repaired for the damage of little stones and dirt abrasion,  barnished and balanced.  Club self imposed rule for wooden props).  worked OK  until the engine was replaced by the actual 618  that came with an Ivo (I think).



The prop is now in the wall, but stil in good shape, (No serious damage during its life)   Could work  if needed.



I like wooden propellers, in my ultralights I carved my own.  But they need some love and care (normal damage [quote][b]

Jari Kaija

Joined: 23 Feb 2006
Posts: 69

Posted: Tue Oct 10, 2006 7:51 am Post subject: GSC propeller and CH701

Hmmmm... have to say, I like this prop, but it  seems to be better

 leave it for decoration purposes after 15hrs  taxiing tests.

  

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

http://www.jarikaija.com

http://www.project-ch701.net

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ggower_99(at)yahoo.com
Guest

Posted: Tue Oct 10, 2006 3:10 pm Post subject: GSC propeller and CH701

Is a shame to leave it for decoration only,  I am sure that has lots of hours left...     Just give a good mantainance...  



Saludos

Gary Gower

Do not archive.



Jari Kaija <jari.kaija(at)pp.inet.fi> wrote: 	  Quote: 	
		         Hmmmm... have to say, I like this prop, but it  seems to be better

 leave it for decoration purposes after 15hrs  taxiing tests.

  

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

http://www.jarikaija.com

http://www.project-ch701.net

	




   [quote][b]

Jari Kaija

Joined: 23 Feb 2006
Posts: 69

Posted: Wed Oct 11, 2006 12:16 am Post subject: Re: GSC propeller and CH701

 	  ggower_99(at)yahoo.com wrote: 	
		  Is a shame to leave it for decoration only,  I am sure that has lots of hours left...     Just give a good mantainance...  

	




  

  Do not archive.

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