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Home for Falcon Aircraft Falcon Ultralight Falcon XP Used Falcons Falcon Parts  and Tedlar 

I get many requests for info on replacement engines for the UL, since the 277 is long out of production.

This list was compiled through the efforts and courtesy Scott Mc Carthy ( the_mccarthys1@juno.com)

Ultralight Engine Options

Make

Model

CC

HP

Cyl

Cooling

Ignition

Drive

Prop loc

Fuel cons @75%

Cost

Options

Weight

TBO

Hirth ( see Pix)

F33

313

25

1

FA

Elec

4Vbelt

cyl

2200

ele start

35

1000

2702

521

40

2

Fan

Dual Elec

Gear

cyl

3200

ele start

100

1200

2SI

460F35

455

35

2

Fan

Elec

Gear

cyl

2500

e start

78

500

Belt

cyl

2200

73

500

Kawi (see Pix)

340

340

32

2

Fan

Elec

4V Belt

cyl

1900

e start

75

1000

Rotax 7

cyl

2300

e start

78

1000

Rotax 277

277

275

27

1

Fan

Points

Gear

cyl

used

n/a

70

500

Rotax 447         ( see Pix) 447 436 40 2 Fan  CDI Gear cyl 2 2800 e start 85+ 300
Zenoah G25B-1 242 22 1 FA CDI Multi belt 1.2 2200 e start 51 250

Courtesy Scott Mc Carhty March 2001

A neat Kawi 340 installation by Pert Asiatico of VA Beach, VA  (pertee@mindspring.com)

Pert Kawi 340 1.jpg (1968890 bytes)     Pert Kawi 340 2.jpg (1976847 bytes)     Pert Kawi 340 3.jpg (1878121 bytes)

Click here to go to Pert Asiatico's UL owner's page 

 

 

Here's the engine used on the Italian versions as built in Italy in the mid eighties:

eng-man-front-page.jpg (234603 bytes)

Pictures of original 277 Engine mounts, note the 4 degree trustline, down in front

255 engine mounts.jpg (1199835 bytes)

 

For those of you who are struggling with 277 exhaust installations,here are a few pictures showing a possible exhaust installation on a 277 Rotax, using a Rotax side mount exhaust: ( courtesy Bill Yerian from Memphis, byerian@mplmedia.com)

277 side mount closeup.jpg (25727 bytes) 277 side mount rear close.jpg (27851 bytes) 277 side mount right rear.jpg (13598 bytes)  277 side mount top plate.jpg (20862 bytes)  277 sidemount rear shot.jpg (29729 bytes)

Recently a Hirth single was successfully installed by Bill Ling in WA. (ling@fidalgo.net)                                                  Click here to a link to his pictures

And another successful Hirth F33 installation by Fred Paris in 2008 (  fredPCA@aol.com                                       

Click here for Fred's UL Owner's page  

Want to see a Heater installation on a 277 with Kerker exhaust ?? See Ralph Keeney's setup: 

click here for a link to his pictures  

         277_heater_1.jpg (32571 bytes) 277_heater_2.jpg (31041 bytes) 277_heater_3.jpg (25046 bytes)

Courtesy Ralph Keeney, (flyaway@linkny.com) check out his instrument panel too !!

For those who ask about 447 installations, click here for:

Tom Epley's 447

Gary Stoley's 447 

Steve Toler's 447

And here is one picture of a Rotax 377 installation, courtesy Ron Wolfe, CA

engn-mnt.jpg (53662 bytes)

 

I get lots of questions regarding a 582 installation into an XP. There are several successful installations out there, mostly in foreign countries. Unfortunately very few pictures are available. Here is one courtesy Julio Silva ( zejulio@mail.telepac.pt). We will publish more as they become available. 

falcon_part_03.jpg (91363 bytes)                               falcon_part_01.jpg (90592 bytes)

Click here for a link to the rest of his pictures

Here are a few pictures of typical Rotax 503 engines used on the Falcon XP

This happens to be an early version 503, an adaptation of the snowmobile engine, without provisions for reduction gear box.

The belt system was supported by adapters to the engine base and cylinder head studs. Note the primitive Briggs and Stratton lawnmower type starter. It worked !

  

503 belt left.jpg (140428 bytes)503 belt 1.jpg (145062 bytes)           503 belt inst left.jpg (132401 bytes)503 belt installed.jpg (165342 bytes)

Rotax 503, belt drive, left and right  view.                       Rotax 503, belt drive, installed in XP

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