RCV90SP versus RCV91CD  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> RCV Engines Support >> RCV90SP versus RCV91CD
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RCV90SP versus RCV91CD - 10/22/2006 7:15:58 AM   
wingman53


 

Posts: 2
Joined: 10/22/2006
From: Sage, CA, USA
Status: offline 		I am trying to decide between the two engines noted in the "subject" line for my KMP B-25. Can anyone tell me which one has the "deeper" more realistic "sound"? Is one or the other more problematic to operate?

Thanks for any advice!
Wingman53
       Post #: 1

RE: RCV90SP versus RCV91CD - 10/24/2006 9:46:15 AM   
RCV Engines


 

Posts: 508
Joined: 4/11/2002
From: WimborneDorset, UNITED KINGDOM
Status: offline 		Hi Wingman

Both the RCV91CD and the RCV90SP sound very realistic, so really it is a matter of choice.
The RCV91CD is more conventional to use - ie. it uses conventional props, requires up to 1 hour of run in, is started in the more conventional manner.
Alternatively the RCV90SP uses larger scale propellers, so you could use a scale 3 or 4 bladed prop on the B25. These engines take a longer run in period - 1 - 2 hours. Starting can be done from behind the prop.

I am sorry I don't have a definitive answer.
Best regards
Laurenne





_____________________________

Technical Support
RCV Engines - UK

(in reply to wingman53)
       Post #: 2

RE: RCV90SP versus RCV91CD - 10/25/2006 6:12:01 AM   
wingman53


 

Posts: 2
Joined: 10/22/2006
From: Sage, CA, USA
Status: offline 		Laurenne, thanks for your feedback! I prefer to use a three bladed prop so that in itself has me leaning toward the SP. Thanks again!
Wingman53

(in reply to RCV Engines)
       Post #: 3

RE: RCV90SP versus RCV91CD - 10/26/2006 10:30:04 AM   
RCV Engines


 

Posts: 508
Joined: 4/11/2002
From: WimborneDorset, UNITED KINGDOM
Status: offline 		No problem, if you have any other questions, please don't hesitate to contact me.

Best regards
Laurenne



_____________________________

Technical Support
RCV Engines - UK

(in reply to wingman53)
       Post #: 4

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> RCV Engines Support >> RCV90SP versus RCV91CD
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