Good Things- Makes pistons to very accurate dimensions
- Low cost to make
- Simple to use and repair
- Ludo Engineering can produce the moulds on mail order
- Relatively low cost
- Can be replicated out of mild steel in a simple local workshops
Bad Things- Only new HDPE pellets can be used as the supply material unlike the Ludo Mk2 Injection Moulded Pistons
- Needs expensive oxy-acetylene gas to heat
- Moulds must be made on a lathe which are generally only available in large cities
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