Description And Operation Of The Airplane And Its System; The Airplane; Airframe; Engine And Propeller - Piper PA 28-181 Manual

PIPER AIRCRAFT CORPORATION SECTION 7
PA"2T-ItI, ARCHf,R II DESCRIPTION & OPERATION
sEcTtoN 7
DESCRIPTION AND OPERATION
OF THE AIRPLANE AND ITS SYSTEMS
7.I THE AIRPLANE
The PA-28-l8l Archer ll is a single€ngine, low-wing monoplane of all
melal construction. lt has four-place seating, two hundr€d pound baggag€
capacity, and a 180 horsepower engin€.
7.3 AIRFRAME
The basic ai.frane, except for a tubular steel engine mount, steel
landinS gear siruts,and other miscellaneous steel pa ßs, is ofaluminum alloy
con-struction. The extremilies -the wing tips, the cowling, the tail surfaces -
are offiberglass or ABS lh€rmoplastic. Aerobatics are prohibited in this air-
plan€ since the structure is not designed for aerobatic loads.
The semi-tapered wings have a laminarflow type NACA 652-415 airfoil.
The wings are attach€d lo €ach side ofthe fuselag€ by insertion ofth€ butl
ends of the resp€ctive main spars into a spar box carry-through which is an
int€gral parr of the fuselage structure. providing. in effecl, a continuous
main spar wilh splices at each side ofthefuselage. Therear€ ahofore and aft
attachments at the rear spar and a! ad auxiliary front spar.
7.5 ENGINE AND PROPELLER
The Archer Il is powered by a four cylinder. direct drive, horizontally
opposed engine rated at I80 horsepower at 2700 rpm. ll is furnished with a
starter, a 60 ampere, l4 volt alternator, a shi€lded ignilion, vacuum pump
drive, a fuel pump, and a dry, automotive type carburetor air filt€r.
The exhaust system is made entirely irom stainless steel and isequipp€d
with dual mufflers. A hearer shroud around the mufflers is provided to
supply heat for th€ cabin and windshield defrosting.
The fixed-pitch propeller is made from
ISSUED: JULY 2, 19?9
a one-piece alloy forging.
REPORT: VE-ll20
7-l