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So exciting! I love this kind of project.

That looks great! I can't wait to start in on mine.

Fernando, this is a decision only you can make HOWEVER, if it was me I would not change out the rods (unless they can be had for a reasonable price?). I'm not very knowledgeable about past failures of these rods but I suspect that if properly lubricated and not pressed too hard they would...

Okay- and remember: we’ll need lots of pictures and videos!!

Fernando, your parts look great to me. I found out the hard way that those venturis look simple but they are hard to get right. As for the Walbro 962 keep this in mind: it is what I’m running on my Gemini 160 which is 27.5cc’s and it runs GREAT. So don’t worry. Your 240 will run just fine - if...

Wow, that engine looks great! I can't wait to see your progress. I'm super busy building a 50% scale Bucker biplane or I'd start right in on mine. I'm REALLY looking forward to that.

No, I did not change compression. Runs great as is. See for yourself:

Happy to have you join in, Fernando. Here's what I've learned about bending thin wall stainless tubing: 1. Anneal tubing by heating to BRIGHT ORANGE. This is not the same as plain steel which would be a dull red. 2. Fill tubing with CERROBEND. It's a low melt temp metal. It comes in several...

Thank you for the kind words, Jim. I glad you are enjoying. Mitch in NC

Go for it!! I think that carb will be perfect for your 240

Correction: the carb I’m I’m using in both Gemini 160 and 300 gas conversion is the WT 962.

I put the carb on back mainly as a way of saving space below the engine. In the Rascal (see pics above) I use that large space for the ignition. I also have the bigger version of the Gemini (in my case the 300) that I plan to convert to gas. To be honest, with this bigger engine (it’s 50cc)...

Here she is, where she belongs: in a sweet old-time model airplane. This is the second Sig Rascal 110 she has been. I lost the first one due to radio failure and it nearly broke my heart. I loved the engine/airplane combo so much I just had to recreate it - only this time it's way better with...

Here’s an amazing resource I found on RC Universe: RE: DLE 30 carb for 4 st ? an replacement for walbro wt-456-1 Walbro model numbers make no sense. I have no idea what the difference might be. Here is a list of walbro carbs that have an accelerator pump. The pump is a very good thing: Walbro...

Peter, this will keep me busy for a while. Thanks!

I suspect a similar carb could be bought new. They are so inexpensive if I had to I would probably buy a WT45. . . Fill in the blank. I would try to research what piece of lawn equipment it came from. We’re looking for the 4 cycle units.

UPDATE!! I thought I was done with the Gemini 160 - but NO! As I mentioned I have a Gemini 300 coming (I can't wait) and I'm getting geared up to do a gas conversion on it. First thing I want is a suitable Walbr carb for it. Well, it turns out that the perfect carb for the 300 (I believe) is on...

The Cerakote is a very interesting process. It's not really "paint" per se, but more of a "wet powder coat." It sprays fantastically but requires a lot of very careful part preparation. Processing goes like this: -Hot degrease the parts -Bead blast -Acetone soak - at least two hours -Bake...

The carburetor is readily available. Google: Walbro WT962

I wanted to add the final conversion pictures for your viewing pleasure. After the conversion I thoroughly cleaned the engine and didn't like the way the blackening looked on the OS cylinders. These engines are famous for fragile blackening here. So, long story short, I used a process called...