O-300C / O-320-E2D Conversion

O-300C / O-320-E2D Conversion

I thought some of you may find the following of some interest.
I have just completed a Conversion on my 172G (1966) O-300C to a O-320-E2D/160 hp RAM STC
                 old     /  new         net result
Engine change    145 hp  /  160/hp     15 hp increase + P/F Exhaust
Prop            Mc 7653  /  Mc 7557     4" of pitch
empty weight    1487     / 1405        +82 lbs of useful load
Electrical       32A     /  60A        alternator 28 more amps                   

Cost 35,000 (rounded)
Will post performance data after flight test

Guest
Guest
useravatar
Offline
Posts
User info in posts
Only registered users or members can reply or post

Re: O-300C / O-320-E2D Conversion

The following data is based on one 3.3 hr flight 2.7 air time /temp 13c /alt 30.2
climb full throttle 2540 rpm @80mph IAS

8 takeoffs and landings sea level clime to 2500' @80mph IAS
1846# 1040 fpm
2 takeoffs and landings sea level clime to 2500' @80mph IAS
2001# 880 fpm
climb 2500' to 4000'   @80mph IAS rpm 900 fpm
best rate of climb achieved 1400 fpm 1690# @65mph IAS

cruse @ 2500'/wind 9900 /wheel pants off (add about 5 mph for the pants and 12#)

rpm IAS
2300 103
2450 113
2500 119
2600 123
2700 131
Full throttle 2800+ (5 second duration)

Total fuel used 22.5 gal

Guest
Guest
useravatar
Offline
Posts
User info in posts
Only registered users or members can reply or post

Re: O-300C / O-320-E2D Conversion

I'm running the 0-320-H2AD 160hp Lycoming in my 172N.  I have the powerflow exhaust.  What is the RAM STC you refer to?

Guest
Guest
useravatar
Offline
Posts
User info in posts
Only registered users or members can reply or post

Re: O-300C / O-320-E2D Conversion

The RAM 160 hp STC for the Lycoming O-320-E2D is SE8987SW.

Guest
Guest
useravatar
Offline
Posts
User info in posts
Only registered users or members can reply or post

Board Info

Board Stats:
 
Total Topics:
6026
Total Polls:
1
Total Posts:
16346
Posts this week:
1
User Info:
 
Total Users:
2405
Newest User:
skyman
Members Online:
0
Guests Online:
11888

Online: 
There are no members online

Forum Legend:

 Topic
 New
 Locked
 Sticky
 Active
 New/Active
 New/Locked
 New Sticky
 Locked/Active
 Active/Sticky
 Sticky/Locked
 Sticky/Active/Locked

ankara escort ankara rus escort ankara escort bayan ankara bayan partner ankara escort kizlar escort ankara ankara escort ankara eskort ankara escort bayan ankara bayan partner ankara escort kizlar escort ankara