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				 - Propeller on 415E, C-85-12F
 
Propeller on 415E, C-85-12F
- Matt Gunsch
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						13 Jul 2020 16:35				#1
		by Matt Gunsch
	
	
		
			
					
A&P, IA, PPSEL
too many years GA and Warbird Maint
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				Replied by Matt Gunsch on topic Propeller on 415E,   C-85-12F			
			
				Looking at the prop Type Certificates they appear to be used on both the C-90 and O-200, however, because it is an STC, the STC holder or a DAR/DER would have to approve any deviation from the STC.
rgl.faa.gov/Regulatory_and_Guidance_Libr...dc79/$FILE/P-918.pdf
rgl.faa.gov/Regulatory_and_Guidance_Libr...ebdf/$FILE/P-842.pdf
							rgl.faa.gov/Regulatory_and_Guidance_Libr...dc79/$FILE/P-918.pdf
rgl.faa.gov/Regulatory_and_Guidance_Libr...ebdf/$FILE/P-842.pdf
A&P, IA, PPSEL
too many years GA and Warbird Maint
Check out the Ercoupe Discussion group on facebook
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- Patrick McNamara
 
			
	
						13 Jul 2020 12:34				#2
		by Patrick McNamara
	
	
		
			
	
			
			 		
													
	
				Replied by Patrick McNamara on topic Propeller on 415E,   C-85-12F			
			
				Matt,
I purchased a 1966 A-2 with a C90-16 engine which I plan on installing a 0200A. I have to get the STA which states I need to replace my McCauley 1b90/cm7150 for a 1a101/6948. Can I not use what I have or must I replace what I have with 1a101/6948. My propeller is good. What am I missing. Thanks for your comments.
					I purchased a 1966 A-2 with a C90-16 engine which I plan on installing a 0200A. I have to get the STA which states I need to replace my McCauley 1b90/cm7150 for a 1a101/6948. Can I not use what I have or must I replace what I have with 1a101/6948. My propeller is good. What am I missing. Thanks for your comments.
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- Matt Gunsch
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						17 Jun 2020 19:42				#3
		by Matt Gunsch
	
	
		
			
					
A&P, IA, PPSEL
too many years GA and Warbird Maint
Check out the Ercoupe Discussion group on facebook
					
	
			
			 		
													
	
				Replied by Matt Gunsch on topic Propeller on 415E,   C-85-12F			
			
				per the Type certificate
Fixed pitch metal, McCauley 1A90CF or 1B90CM +12 lbs. (-32)
Eligible on Models M10, A2, A2-A, 415-D (per note 4(b)), E, G, F-1 and F-1A.
Static r.p.m. at maximum permissible throttle settings:
For Models 415-D, E, or G: not over 2225, not under 2025
							Fixed pitch metal, McCauley 1A90CF or 1B90CM +12 lbs. (-32)
Eligible on Models M10, A2, A2-A, 415-D (per note 4(b)), E, G, F-1 and F-1A.
Static r.p.m. at maximum permissible throttle settings:
For Models 415-D, E, or G: not over 2225, not under 2025
A&P, IA, PPSEL
too many years GA and Warbird Maint
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- Larry Snyder
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						12 Jun 2020 15:38				#4
		by Larry Snyder
	
	
		
			
	
			
			 		
													
	
				Replied by Larry Snyder on topic Propeller on 415E,   C-85-12F			
			
				Yes it’s a 70 inch prop with a 52 inch pitch. Pretty much a cruise prop, I believe.			
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- Phil Work
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						12 Jun 2020 14:30				#5
		by Phil Work
	
	
		
			
	
			
			 		
													
	
				Propeller on 415E,   C-85-12F was created by Phil Work			
			
				Hi All,
I am working on purchase of a really nice 415E down in South Carolina. As stated above, has the C-85-12F engine. Last entry in prop log shows prop to be a McCauley 1B90CM7052. It's handwritten in there. I cannot find any references to this prop. Is that a misnomer? Is it supposed to be (last four digits) 7152? That is a cruise prop, correct? Thanks for any help with clarifying!
					I am working on purchase of a really nice 415E down in South Carolina. As stated above, has the C-85-12F engine. Last entry in prop log shows prop to be a McCauley 1B90CM7052. It's handwritten in there. I cannot find any references to this prop. Is that a misnomer? Is it supposed to be (last four digits) 7152? That is a cruise prop, correct? Thanks for any help with clarifying!
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