Roof

Starting from the front, the roof is made up as follows:

Two 2½" strips form a 4" strip (Fig 16a) across the top. From the ends of the 4" strip, 12½" strips (Fig 16b) are bolted, then 9½" strips (Fig16c) and two 2½" x 5½" plates side by side overlapped by 4 holes. A further two 2½" x 5½" plates are bolted in to form a 3" x 10" plate (Fig 16d). At the end (20^th hole) bolt two 2½" strips to form a 4" strip (Fig 16e). Skip two holes and bolt another 4" composite strip. Across the middle of the gap, bolt two 2" strips (Fig 16f). Bolt fishplates in to fill in the corner of the holes slightly. This forms the exhaust holes.

At the rear, bolt on a composite 4" strip (Fig 16g). On either side, bolt on two 12½" strips. Where they meet in the middle, butt join them with 2½" strips underneath.

From the rear, next to the 4" strip, bolt a 3" strip, skip three holes and bolt in two 3" strips.

Skip three holes, bolt in two 3" strips. Skip another three holes and bolt in two 3" strips. Under the last 3" strip, bolt in two 3½" plates (Fig 16h) overlapped. Use a 3" strip on the end.

Skip three holes and bolt on another 3" strip. You should meet the 4" composite strip (Fig 16i).

The rear radiator is made up from two 3" threaded rods passing through the end holes of nine 2" narrow strips equally spaced with washers. The radiator is clamped to the underneath of the roof with 2" strips holding onto the threaded rods.

For the next two radiators, 2" narrow strips are bolted to two 6" threaded rods. Each radiator comprises of nine 2" narrow strips equally spaced by washers. 2" strips clamp the ends of the 6" rods to the underside of the roof.

The middle radiator is made up from two 3" threaded rods passing through the end holes of thirteen equally spaced 1½" narrow strips. It is clamped on sideways with fishplates.

The Fans

From the rear, bolt rod sockets (Fig 17a) on either side in the 4^th, 9^th, 14^th and 25^th holes of the topside 12½" strips.

Clamp 2" rods in the sockets joined in the middle with couplings. The middle hole of the coupling forms the bearing for the fan to run in. Use 1½" rods to mount the fan and pulleys.

The rear fan has a 1" pulley and a 2" pulley on the 1½" rod. The next has two 1" pulleys, the third a ½" and 1" pulley .The foremost fan (Fig 15c) has a ½" pulley.

Bolt a MO motor to the side of the body in the top 12½" strip, spaced away with washers. The motor carries a ½" pulley. I used elastics to join the pulleys.

You may have to bend the fins of the fans down slightly to stop them knocking against the radiators.

The 3 Volt battery box is bolted to the side plate at the front. This makes it possible to switch the fans on and off easily.

Miscellaneous

At the front, across the top of the body, use two threaded pins on couplings with 1" rods in them to simulate the horns.

On the inside of the body, bolt 9½" strips to the middle holes of the side plates to keep them pressed neatly together. Use a 5½" strips for the front side plates.

Use collars to clamp 1" rods to the bottom as locating pins when joining the body to the chassis. Use couplings bolted in the chassis U girder to keep the two halves from floating in the oval holes.

© Chris Els January 2003, cels@webmail.co.za
"The Meccano Model Library" is owned and run by Chris Bourne, cfpb@lineone.net
Website designed and maintained by Donna Smillie, dms@zetnet.co.uk
http://www.users.zetnet.co.uk/dms/meccano/loco/const04.htm