RCV 91-CD frozen  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> RCV Engines Support >> RCV 91-CD frozen
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RCV 91-CD frozen - 12/28/2006 8:07:37 PM   
dmajchrzak



Posts: 252
Joined: 4/15/2002
From: Merrimack, NH, USA
Status: offline 		Hello,
I have a problem with my RCV 91-CD.

I just got this engine a few weeks ago. I ran it in on a stand. Probably put 5 tanks through it. I'm using S&J 15% with Synthetic Oil. This is my club fuel that is used by everybody in the club. I'm using an OS F plug. I got it pretty "dialed in" on the stand so I mounted it to my P-47 Thunderbolt .60 ARF from Hangar-9. It was running a bit on the rich side, but transitions, idle and top end were good.

When I put it in the plane, I had to adjust the needles because of the new orientation (45 deg off of inverted) and fuel tank now above the carb. But, it seemed happy, and it started SO EASILY. So, on my 3rd flight of the day I was buzzing happily around when the engine stopped abruptly. I put the gear down and glided the plane home. The engine was seized - hard. The propellor will not move. I did not force anything, but rather packed it up for the day.. Has this happened to anyone before? any idea what caused it? and what do I do now? I can either take it apart and try to diagnose, or just send it in for warrantee repair.

Best Regards,
David Majchrzak


_____________________________

Dave
Southern NH Flying Eagles
       Post #: 1

RE: RCV 91-CD frozen - 1/1/2007 4:55:01 PM   
aresti1963


 

Posts: 43
Joined: 11/25/2006
From: glenrothes, UNITED KINGDOM
Status: offline 		I had a similar problem with my 58CD, it turned out it had broken the crankpin and destroyed the conrod. As long as you have followed all RCV's guidelines, they will sort things out for you, their customer service is fantastic.

(in reply to dmajchrzak)
       Post #: 2

RE: RCV 91-CD frozen - 1/2/2007 6:17:25 AM   
LarryandJean


 

Posts: 12
Joined: 2/20/2005
From: laguna beach, CA, USA
Status: offline 		Nice! I have a question and need some expert advice! I am building a VQ P51 and just bought an osfs 70 ultimate 4 stroke, but it wont fit under the engine cowl. I am thinking about the RCV 60 or 90. Anyone know if the RCV 60 would work? i noticed they only go to 6000 rpm vs the 11,500 with the OS.
The OS also puts out more hp. 1.2bhp vs rcv .09. the rcv90 puts out 1.5, same rpm

Would look nice with no holes cut in there... the model is 40-60 size..

(in reply to dmajchrzak)
       Post #: 3

RE: RCV 91-CD frozen - 1/2/2007 10:02:23 AM   
RCV Engines


 

Posts: 507
Joined: 4/11/2002
From: WimborneDorset, UNITED KINGDOM
Status: offline 		Hi David

Sorry to hear you have experienced a problem with your RCV91CD. This will be covered under warranty and I have private mailed you with a warranty authorisation number and details for return to our US service centre

Best regards
Laurenne


_____________________________

Technical Support
RCV Engines - UK

(in reply to dmajchrzak)
       Post #: 4

RE: RCV 91-CD frozen - 1/2/2007 10:05:18 AM   
RCV Engines


 

Posts: 507
Joined: 4/11/2002
From: WimborneDorset, UNITED KINGDOM
Status: offline 		Hi Larry

I have answered this question by regular email for you.

Best regards
Laurenne


_____________________________

Technical Support
RCV Engines - UK

(in reply to LarryandJean)
       Post #: 5

RE: RCV 91-CD frozen - 1/15/2007 8:44:42 PM   
dmajchrzak



Posts: 252
Joined: 4/15/2002
From: Merrimack, NH, USA
Status: offline 		Well, a hearty "thank you" goes out to RCV. I sent my engine into BJ's engine service with a warranty number. I get a NEW engine back with a report on the seized one. I called Bill ant BJ's to get details on what might have happened to seize my RCV. He said I might have gotten something in the carb to badly score the cylinder and sleeve. There was no evidence of any factory defect, nor any evidence of a lean run etc... I must've just got unlucky and a little something must popped in the carb. So basically, RCV replaced my engine when it was not their defect, it was just one of those 'unlucky' breaks.

So thank you RCV. My first RCV was the easiest engine to start in my fleet, and your service was exemplary in this case.
- Dave

_____________________________

Dave
Southern NH Flying Eagles

(in reply to RCV Engines)
       Post #: 6

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> RCV Engines Support >> RCV 91-CD frozen
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