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Webster IC Engine build log.

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saw:
It's nice to see how every thing come to place, nice work  :clap: :clap:

dbvandy:
Looks EXCELLENT!

I predrilled the the holes into the blocks, then pressed in the guides and then drilled them through.  It might not be necessary to do this, but I wanted to make sure it was all lined up before I drilled through the guide as it was easier to make a new block than a new guide and possibly valve)

As for the carb....  I turned an adapter, something like is on page 14.  I never could get the RC carbs that I have to work properly, however, so I went with the vapor carb like is in Jan Ridders plans. I really feel this is the way to go as it is fool proof, works really well and you have to build a tank anyway,so why not combine them.  If you can get a carb to work, that would be cool, but I found it very frustrating.

You are getting close!!!!!!!!!!!

Doug

raynerd:
AHHHHH !! The plans did say to pre-drill! So you actually drill through to where the guide will be inserted, then when you insert the guide, you can see it is located properly so that your only going through the side of the guide and not going to ruin it??  :doh: This now makes sense!  :bow: :bow: Perhaps obvious, but I didn`t understand why predrilling the holes was needed.

raynerd:
Sorry Doug - it says that the adapter is loctited to the carb, but what about the other end into the valve block - loctite here as well? I just thought a thread on this end would be better??

dbvandy:

--- Quote from: craynerd on April 14, 2011, 09:53:29 AM ---Sorry Doug - it says that the adapter is loctited to the carb, but what about the other end into the valve block - loctite here as well? I just thought a thread on this end would be better??

--- End quote ---

I have 2 .12 RC motors with carbs that have 10 mm throats, so I loctited the adapter into the valve block and then had a tight slip fit on the carb to adapter part so I could experiment with different setups.

I still HIGHLY suggest you try the vapor carb.  You get full throttle response (I could get mine to 5600 RPM and down to 600...) and it is VERY forgiving....

Doug

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