Product Ideas section

This section may give you some ideas and uses of the more unusual parts.

In this photo is an idea for a neat Double Crank using a Square Collar-Bearing attached to each end of a Brass Distance Rod, of course you can  use any size of Rod depending on your needs, this Crank would look great on a Model Steam Engine                                                                                                                
In the photo below I have made up two cranks for large Axles, these are made simply by bolting a Large Axle Rod socket onto a perforated strip             
The photo below shows a  Mechanism for a Lathe or Milling Machine cross slide, two bearings cubes slide on each of the two standard axles which are held by Square Collars and Brass Bearing cubes. A square threaded boss (6mm threads for large screwed rods) is attached to two Double Arm cranks which are in turn bolted to the 4 Square Bearing Cubes. The mechanism is driven by a Delrin winding Handle attached to a 6mm Brass Large Threaded Rod, the movement is very precise & smooth with no play, and would be suitable for serious working model                                                                                                  
The photo below shows a pulley drive with clutch,by moving the diagonal strip down, the jockey wheel releases the tension and causes the belt to slip. The Brass pulley is made up from a wheel disc bolted onto a 1 1/2" Bush wheel spaced with nuts or washers to form the pulley groove. the 2 1/2" Blue pulley is the Metallus flanged pulley. The pulley belt is from our range of Heavy duty belts these give a really positive drive                                                                                                                                                                                                                                                                                            
This photo shows a large Axle mounted in two large Axle Rod sockets (female) fixed to two Trunnions, the axle can be fixed or left to run free using the two rod sockets as bearings, this would make a really strong and neat pivot for a bridge, crane or a big wheel model.


This photo takes the above idea a step further, a girder is attached to two large axle bearings to form a very strong and precise pivot


 
Photo 1 This photo shows a male and a female rod socket                                                                                                                                                                                                                                                                                                                                                             
Photo 2 This photo shows the male and female Rod sockets mounted back to back on a trunnion. Don't forget you can also use Rod sockets as a socket bearing                                                                                                                                                               
This photo shows two Brass Bearing Cubes mounted together to slide on two axles with standard Meccano spacing, this makes a strong and positive slide piece for any mechanism. The two bearing cubes are simply secured by two bolts and a 2 hole strip, of course any length of axle could be used                                                                                                                                                     
In this photo 2 construction cubes are bolted to a flanged plate and 2 x 2 hole perforated strips are attached to act as bearings for the 2 axles. This construction is very strong and precise.                                                                                               
Tip  To tap accurate parallel threads for Meccano, if you have a pillar drill or bench drill press, place the tap in the chuck, turn off the power slacken the pulley belt and pull the chuck round by hand whilst feeding the tap into the hole which you are cutting the thread, back off ever 2 or 3 turns to release the swarf , though this takes longer it is much more accurate than freehand if you want to make a good job                                                                                                                                
This photo shows how axles can be mounted in a bearing cube and allowed to swivel                                                                                                                                                      
Here  a single bearing cube is used to support an axle carrying two gears, a slotted bracket is used to allow the height to be altered                                                                                       

 TIP
Vaseline petroleum Jelly makes an excellent non toxic lubrication grease                   

 Simple Model of a Garage Engine Crane (hand operated)

 A scissor action is activated by a large screwed rod, gives a precise and smooth action to lower and raise the Jib.
Note the screwed rod is supported at one end with a Square Collar Bearing and at the other end a Double Bracket, a 3 hole strip bolted onto the Double Bracket gives better Bearing support.
The Square threaded Boss allow the mechanism to slide between the slotted strips, also note you can use Square Collar Bearings at any angle to support an Axle or Shaft. I have used mainly Nylon washers for this Model, these are particularly useful for moving parts.

  

 

 

 In this mechanism a standard axle is supported at each end by a Brass Bearing Cube, a 2" long experimental worm gear is driving four pinions, one of the pinions is supported by 2 x 1 hole cranks this allows you to swivel the cranks to mesh with a gear that is not in a normal hole spacing, the other top pinion is supported by 2 x Obtuse Brackets, these can also be swiveled into position to mesh nicely with the worm.

Note the Brass bearing cubes are packed underneath with a brass distance ring and slim washers to give a perfect alignment with the underneath pinions 

 

 

 

 

Tip 
To hold a bolt onto the end of your screwdriver in an awkward place use a little blob of plasticine modelling clay

 Compact gear box 

This gearbox demonstrates the benefits of using distance rods to space the gear plates giving you greater rigidity and more space for your mechanism
Note the use of Metallus Delrin gears meshing with standard Meccano Brass gears for quieter and smoother running.
This gear box has 5 sliding take off shafts, all the axles
 are secured with Nylon spring clips,these are far superior to the Metal Meccano spring clips.
These clips are ideal for positioning your axles and can be quickly replaced with 
collars when you have tested your design                                                      

  

 

   

 Pulley Block with Crane hook

Here I have used distance rods to space the two triangular plates and create a rigid frame for the pulley block and crane hook, the hook is spaced using 1/2" brass roller/distance sleeves.  

  

 

  

 TIP

To hold a nut onto the end of your finger to reach a difficult position use vaseline petroleum jelly, no I don't have shares in the company !! 

 Simple Steering

This is a rear wheel steering for a Mobile Crane, note the use of Tee shaped Metallus bearing brackets top and bottom, and Brass distance rings to make up the space between the 3 hole coupling and the top bracket, the Tyres are the excellent 4 1/2" Metallus tyre mounted on 2 1/2" Face Plates

 

  

 Twin Wheels

 In this photo twin wheels are powered through a differential, the Metallus Tyre can be mounted in pairs on just 2 Faceplates or 2 x 2 1/2" Pulleys, because this is a Mobile Crane there is no suspension

 

 

 Large Axle

A large Axle is supported here in two Large Axle Bearings secured at the base, a large Axle reducer allows you to drive with standard Meccano Gears or sprockets

 

 

 Roller Chain

Sometimes you can't get the exact tension on a chain, you can use a sliding bracket to tension one of the sprockets or as in this photo you can use a free running jockey wheel to give you just the right tension. This photo also gives you an idea of the size of the roller chain if you haven't already seen it.

  

                                                                  Close up of jockey sprocket wheel                                                                       supported by a shafting standard 

 Simple Ladder 1

Made from Brass distance rods and Narrow perforated strips

 

 Idea by Roger Moore

 

 Simple Ladder 2

 Made using Standard Axles and standard perforated strips, secured with nylon spring clips