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All, I’m finishing up a vintage project. The plan is to use a period correct HP gold star .40 engine. The thread size is 6mm. I bought a 6mm Prather connector but it is very bulky as it is meant for a Zenoah. Is there any other 6mm cable connector out there? Does Octura offer one? Thanks, k

What is the most quiet .45 size muffler? I have only used the Prather muffler plus another unknown make that I can inject water into. I have found the Prather muffler to be very loud. I even tried an internal stinger but it does not muffle the bark too much. Combining a Prather muffler with an...

I am very particular with the finish on my car and my RC boats. Have my car serviced today and the dealership left a few scratches on the hood. I don’t want to use a buffer as it may remove too much clear coat. Is there a scratch remover that I can apply by hand? Thanks, k

Have my hot water tank replaced 4 years ago but the outer jacket is rusting badly. It is a 40 gallon gas heater with a power vent. Of course, the warranty just expired. I have been asking for quotes and the price for replacing the water tank has gone up. Can you tell me how much it should...

My starter belts keep getting melted when they touch the tuned pipe and I forgot to order more. Needed a belt this weekend. I have some nylon cords laying around. So I made one by melting the ends. It is strong enough to start a .45. Will report on the longevity. In a pinch, it will work.

I used to get my starter belts from Tim Jones but I have not been able to reach him. Where do you guys get your starter belts? Also, can you post pictures of how you keep the belt from touching the tuned pipe? I tuck it under the engine but if it came off during a run, the belt will melt onto...

I prefer to make my own rudder out of 1/16” stainless. I have found that a blade type rudder has less drag than a wedge rudder. The issue I have is that after silver brazing, the stainless blade is kind of annealed. If I pull hard in a turn, the rudder will bend at the joint. Is there anyway I...

By sub-surface, I mean the center line of the shaft being 1/2" below the vee. What would be a good Octura prop to start? I have a X548 on it right now. I am surprised the old P-45 is asking for more! The prop at 1/2" below the vee should be putting more load on the engine. Since the P-45 is...

I find the Prather muffler to be too loud. Read about internal stinger on this forum. I am thinking of adding an internal stinger and still use an after muffler. Did a search but couldn't find the thread. I am going to try it on a Picco P-45. It is a Mac .45 pipe. What size tubing do I...

I have had this kit for many years and decided to start building it. The quality of the door skin that Dumas used for the frames is really poor. They are only good for templates. Since I have two sheets of Occume marine ply, I have decided to build the entire boat using the marine ply. It is...

A search on this forum did not show any past thread on System 3 epoxy. I am starting a new build soon and will need more epoxy. I prefer to buy the adhesive in 8 oz package to make sure they are always fresh. My local hobby shop only carries Bob Smith Industry and Great Planes epoxy. The...

Came across this: Interesting idea but I am not sure if will will work on RC boats. Imagine balancing one of these... k

I saw these Cricut cutters on sale at Michaels and really want to get one. Has anyone had any experience with these machines? Other than using them to make decals, I am hoping I can cut pin stripes in the width I want. Is it easy to use? Will it take other trim sheets such as the Monokote...

Came across this one. Has anyone tried this? If it works like what the video showed, it will save me a lot of time applying trim colors. I just need to spray the base color and then apply the trim and decal then clear over the whole thing.

I have a toilet shutoff valve that is leaky and need advice. Can the valve be repair by replacing the rubber washer? I have never opened on up before and want to know what I am dealing with before working on it. Thanks, k

All, I have finally bought this Aluminweld rods and am ready to practice on a few soda cans before working on the actual parts I want to repair. I have an old Enya muffler with the screw hole broken off. I will try to fill the hole and build up enough material to retap the thread. I will...

Has anyone tried using the low temperature aluminum welding rod such as this for repair? https://www.harborfreight.com/8-piece-low-temperature-aluminum-welding-rods-44810.html I have a 7.5 lower unit that broke where the hinge pin is held. If this stuff is as strong as they claimed, I am...

All, Getting ready for sharpen and balance a Prather 240 prop. Judging by the color of the prop, it does not look like Copper Beryllium. Does anyone know if the alloy contains beryllium? Thanks, kez

I did not know i ran out of pipe pressure fitting but needed one to test a new boat. I ended up making one using 1/8" K&S brass tubing. It actually work quite well. I first used a 6-32 die to cut the outside thread. Then I anneal only the area where I will make the bend. Insert a weed...

I have been looking for a small refrigerator to extend the life of mixed epoxy paint. I picked this mini fridge up at BJ's. Have yet to try it. It is the perfect size for hobby use.. Just want to share this..