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  1. kadora

    Cast an inline 4 engine block with plaster mold

    excellent explanation thank you
  2. kadora

    Cast an inline 4 engine block with plaster mold

    really excellent casting. Two questions 1 did you pour liquid metal into hot mold ? 2 did you used common plaster or some kind of casting plaster. Thank you
  3. kadora

    Feasibility of small 4-cycles in practical usage?

    Bluejets your engine is evidence that small engines are not utterly useless.
  4. kadora

    Feasibility of small 4-cycles in practical usage?

    bluejets is your engine 4 stroke
  5. kadora

    Feasibility of small 4-cycles in practical usage?

    I have machined small four stroke engine 1.2 ccm but I am not able to start it on glow plug probably low compression . I will try spark plug and petrol.
  6. kadora

    Simplified aluminium casting

    Mark brick is not damaged I use one brick many times.
  7. kadora

    Simplified aluminium casting

    hello Minh-thanh I use propane butane gas to feed burner and my kiln melts 1.5 kg of aluminium in 25 minutes. Now I am experimenting with new back heat radiating kiln and it seems to save 5 minutes to melt 1.5 kg batch. I will send you more information on your personal email because I do not...
  8. kadora

    Hello minh-thanh. I am busy right now I will send you some information during this weekend.

    Hello minh-thanh. I am busy right now I will send you some information during this weekend.
  9. kadora

    Simplified aluminium casting

    Hello Friends I was always looking for fast and easy way to cast some parts for my engines , generally just to pour liquid aluminium to the sand cavity and job is done. This way of casting is not working because castings corners are not sharp and not properly filed with aluminium. Then I got...
  10. kadora

    Project of the month

    I agree with MinH -Thanh for people whose mother language is not English to write perfect build log is quite complicated .
  11. kadora

    Project of the month

    I was 56 years old when I got my POM - I was happy like little child having new rocking horse. POM is only valuation for our patience and effort . Please keep it live.
  12. kadora

    Single cylinder OHV - "Snöffy"

    congratulation Branislav -really perfect runner. are you from Slovakia ?
  13. kadora

    Online old engine(s) auction.

    Hello I hope this is not off topic question. USA guys when you sell your car to somebody else do you need to do a lot of paper work for police or you just sell car and business is done ? I am asking this question because here in EU buyer and seller have to fill up a lot of I think useless...
  14. kadora

    Online old engine(s) auction.

    Graham I wish you to win a lottery.
  15. kadora

    Online old engine(s) auction.

    To sell Vincent rapide for 199 pounds ????? You are joking . The buyer had to be the happiest guy on this planet. Why did you sell such gem so cheep.
  16. kadora

    Online old engine(s) auction.

    Hello A bit strange for me European guy to see asking bid for Ford model T 2.600 USD Here in my country Ford T owner would ask for 20.000 USD maybe more.
  17. kadora

    Model engine CDI easy and cheap

    Foketry you have probably cdi unit which needs for triggering energy stored in capacitor so too complicated to trigger this cdi box with hall sensor. Voltage on trigger capacitor is 70V Do not waste time and buy hall sensor cdi box used for rc model engines.
  18. kadora

    Model engine CDI easy and cheap

    Now I am able to open pdf files. Maybe you have low trigger voltage on the input of cdi. Try to change resistors in this way ---Solder 1k5 resistor instead 220R and 220R instead 1k5 This should rise trigger impulse voltage .
  19. kadora

    Model engine CDI easy and cheap

    Scooter pick up circuit is PROBABLY simple coil which generates minus or negative sinus waves and this waves trigger CDI. On the other hand Hall sensor can generate only positive impulses. Signal generated by pick up item can be checked by osciloscope. /Best way/ I can not open your attached...
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