Cenk Tugcetin

1. Andover Models    2. Giantcod   3. Multiplex Mentor      4. JPerkins 

Yes, please.

May be this time ...

I will not give up!

Please count me in.

Count me in, please.

Hi, I tried to run the engine inverted on Friday again, following all the advice I received in this thread (I did not try a hotter plug though as I could not get one easily). No luck. So, I refitted the engine horizontally. Although this meant some unused holes in the cowling and late hours into the Friday evening, the engine now runs perfectly. I had four good flights in Saturday's fantastic weather and I am very pleased with my new model now. I managed to cover the original holes in the cowling with Solarfilm and some of the decals provided with the model. So, lessons learnt: 1. Try to avoid fitting the engine inverted (well, I don't have any experience with the 4 strokes but this is true at least for the 2 strokes). 2. Do not fit the cowling until you make sure the engine is running OK in its intended position. This would have saved me many building hours and I would end up with a much better looking cowl. Many many thanks again for all your help.

Hi, Many thanks to all of you for your invaluable advice. I removed the tank yesterday, shortened the clank tube a bit to guarantee free movement. I noticed the pressure pipe was almost touching the top of the tank so re-adjusted the angle to allow some more room. To answer Al's question, the engine is spluttering to a stop so I beleive it is more of a flooding problem rather than starvation (may be what I did so far will not improve the situation). I will give it another go this afternoon and let you know how it went. If it still refuses to run, I will probably have to go down to the model shop and grab a hotter plug. Regards, Cenk.

Hi Danny, Many thanks. I will check the centerline of the tank. I installed the tank as shown in the building instructions but you never know. I will also try a hotter plug. Regards, Cenk.

Hi Allan, Many thanks for your advice. I checked the clunk, it seems to be moving freely. Regards, Cenk.

Hi, I have just completed building my new model, Ultimate 40S from World Models. This one requires installing the engine inverted. I used my reliable OS 46 LA, which ran perfectly well on a previous model (sitting up right though). The problem I have is that the engine will not start at all inverted. I start the engine by turning the model upside down. This way, it will start OK but as soon as I turn the model over (i.e. when the engine is inverted), the engine will stop. I can keep it running by keeping a very high idle but I believe it is not a good solution. BTW, I checked the tubing and I have the correct connections with the tank. I also replaced the glow plug with a new one (A3) but it did not help. Many thanks in advance for your help.