<blockquote class="quote">quote:

ORIGINAL: Antique

Looks like a ltiile more QC is in order...
The cylinder bases MIGHT be machined differently...
The case MIGHT not be the same distance from the crank centerline to the cylinder base..
The con rod bores MIGHT not be the same from center to center..
The pistons MIGHT not be bored for the wrist pins the same..
The ports in the cylinders MIGHT not be the same...
The big end bearing bores in the crank MIGHT not be the same distance from the crank centerline..At least ONE of the above conditions exists....
Did I miss something ??
</blockquote>

The engine I received MIGHT be a total piece of DUNG. Not just missing the carb but the reed block too.

I was thinking the piston thing MIGHT be to keep the cylinder temps the same but the notchy binding at BDC? Shouldn't a new engine turn over smoothly? All other brands I have ever owned (BME50, BME110, DA100, even DL50 and DLE30) rotated smoothly. I had noticed the two 35's they sent had the piston movement off a little but this engine is grossly off.

I think it is time for Tomy to respond to this thread and Jack to send me another complete engine Express mail. If they don't have a "s" then send me a regular 70 and I'll change the cylinders myself. This is the second time they sent me junk and or an engine full of crap/missing parts. I wasn't in a hurry to fly the 35 so I didn't care however I've been waiting to replace my DL50 with this mt70s and now that I have it I still can't fly it.

Unit, Have you seen the offset link that connects the front and rear crank halves or the tiny bearing that holds the rear crank end? Also no oil holes, slots or notches in the con rod ends for lubrication and the rod side clearance is pretty tight so there's not a lot of oil getting in there.

If they can't get these issues resolved I will have to conclude this manufacturer, TOMY, knowingly sells junk and doesn't care.There is no quality control, manufacturing tolerances or pride in workmanship.