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  #1  
Old 10-09-2020, 09:43 AM
Warbirdsolutions Warbirdsolutions is offline
 
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Location: Prospect, KY
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Default CRANK PLUG INSTALLATION WITHOUT TEAR DOWN
I have a HO-360B1B 180HP helicopter engine turning a fixed pitch prop. I hope to convert it to support a CS prop. Does anyone know if it's possible to install the plug in
the crank without tearing down the engine and removing the crank. I think it would be possible but I'm hoping someone actually knows...
Thanks very much,
Brad
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  #2  
Old 10-09-2020, 09:56 AM
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Mel Mel is online now
 
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Unless I misunderstand your question, the plug is inside the crankshaft. Teariing down the engine would not buy you anything.
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  #3  
Old 10-09-2020, 10:23 AM
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RV8iator RV8iator is offline
 
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Default Yep.
If I can do it successfully anybody can, and I did so it must not be too difficult.
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  #4  
Old 10-09-2020, 11:18 AM
Bcone1381 Bcone1381 is offline
 
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Can you help the OP?
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  #5  
Old 10-09-2020, 11:34 AM
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Sam Buchanan Sam Buchanan is offline
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Location: North Alabama
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Quote:
Originally Posted by Warbirdsolutions View Post
I have a HO-360B1B 180HP helicopter engine turning a fixed pitch prop. I hope to convert it to support a CS prop. Does anyone know if it's possible to install the plug in
the crank without tearing down the engine and removing the crank. I think it would be possible but I'm hoping someone actually knows...
Thanks very much,
Brad
I am not familiar with that engine but you need to verify the case has been drilled for the governor oil line and that the accessory case can accommodate a prop governor.
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  #6  
Old 10-09-2020, 01:53 PM
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pazmanyflyer pazmanyflyer is offline
 
Join Date: Jul 2007
Location: Litchfield Park, AZ
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Quote:
Originally Posted by Warbirdsolutions View Post
I have a HO-360B1B 180HP helicopter engine turning a fixed pitch prop. I hope to convert it to support a CS prop. Does anyone know if it's possible to install the plug in
the crank without tearing down the engine and removing the crank. I think it would be possible but I'm hoping someone actually knows...
Thanks very much,
Brad
Following the 360 variants it doesn't look like your engine has an option for a CS prop.

HO-360-B1B
180 hp (134 kW) at 2900 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the B1A but with Bendix 200 series retard breaker magnetos.

HO-360-B1A
180 hp (134 kW) at 2900 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as C2D but with a different cam shaft.

O-360-C2D
180 hp (134 kW) at 2900 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the C2B except has Bendix 200 series magnetos. First certified.

O-360-C2B
180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the C2A except that it has a rear-mounted Bendix carburetor.

O-360-C2A
180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the C1A except that it has no provision for controllable-pitch propeller.
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  #7  
Old 10-09-2020, 03:05 PM
clam clam is offline
 
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I am not familiar with helo engines, but searching Lycoming Service Instruction 1435 should give you an idea.
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  #8  
Old 10-11-2020, 03:17 PM
Warbirdsolutions Warbirdsolutions is offline
 
Join Date: Oct 2012
Location: Prospect, KY
Posts: 65
Default HO-360B1B Helicopter Engine
Does anyone know whether or not a HO-360B1B can be converted to use a CS prop?
Thanks,
Bradl
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