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I posted the information below on a Facebook page this morning, where a few OB boaters were talking about the well-known concerns of the poor durability and lifespan of the standard prop-shaft bushes in our 7.5 lowers. In response, I feel obliged to share my solution for this problem. About...

Greetings from Cape Town, South Africa! Any advice on from who I could buy a conrod for the .46 Rossi OB engine? Thanks,

Hi Guys, I've shared with some of you in the past that we often have to brave the rough water at our club dam here in Cape Town, South Africa. This is because from November through Feb/March we have our South-Easter blowing most days (specially in the afternoons) across the dam towards the...

Hi Guys, I would appreciate your advice with the following problem. Since I started racing 7.5cc OB tunnels in 2006, I first used Rossi powerheads and when the Nova OB powerhead arrived about 3 years ago I switched and have had nothing but great performance from the Nova. However, without...

Just finished with packing for our first club day of 2015 tomorrow and thought to share a few photos to show what I managed to get in the car. This is my Corolla VERSO with all the back seats folded flat and my plywood 'mezzanine floor' installed which doubles the 'floor space'. Top deck has my...

Hi guys, I've been racing 3.5 and 7.5 OB tunnels since 2006 and have not used any K&B engines to date. (I've been running OS, Rossi and Novarossi engines). I've recently started to build a new 7.5 tunnel for my son and have managed to source three used K&B OB engines (two Redheads and a...

Happy birthday today my friend ! May you, Meghan and beautiful little Harper have a wonderful day, and may you be blessed with many, many more years of health, love and happiness. From your friends at the Southern tip of Africa, Wennie and Elza.

Hi guys, Nitro classes have virtually disappeared here with most boaters switching to gas engines and from end May this year the remaining few .21 OB tunnel boats in our local club are also no longer being raced. This was very sad news for me as I really enjoy racing the small nitro classes...

During the last 5 years I have made some really good friends on this forum and also in the process of ordering goodies for my hobby from various suppliers in the USA. Some of you have provided excellent service in getting parts to me and others have just been great communicators and have...

Our club management decided to lay on a year-end fun day last Saturday and the main event of the day would be a 2-hour endurance race for all and any gas boats. Eventually there were 8 pilots entered who felt brave enough to tackle the 2-hours of hard work! Four cats, and four ‘V’-bottom monos...

Hi guys, I remember reading somewhere that the OB conversion kit that is made by ‘Lights’ for the Novarossi T21M, will also fit one of the GO marine .21 engines ? I have one of these conversion kits that I originally used with my T21M Nova as an outboard but have since built the Nova into my...

I trust it's OK for me to start a new topic to show my completed JAE rigger, and maybe some of you who have completed your gas JAE's will also post some detail photos here. The cowl is an aeroplane cockpit canopy from a large scale P51 and it does a good job of covering the carb ! The Quickdraw...

Hi all, We finally had our first race day at CMBC with three JAE.21's and it was very exciting. The video link below shows the second heat (unfortunately my Rossi died at the launch but the other two boats (both with Novarossi's), were running well (by our standards !). The number two boat...

I would appreciate some comment from Rod G. Or Joe Petro regarding the ‘Z’-strut on my JAE gas rigger. I have annealed and bent the stuffing tube and I’m at the point of bolting the strut to the transom. I then noticed that the surface of the strut that sits against the transom is not 90* square...

This is Wennie from Cape Town, South Africa and I've had some very exciting runs with my JAE.21 Mine is still the only little rigger running here in our club but three other JAE .21's are nearing completion then we will be able to start some heat racing ! I am building one of these three for a...

Hi Guys, Here are a few photos of my JAE21G2 ready for launch ! I'm not sure if I did the upload correctly. This was my first wood build and the high quality of the Zippkits parts and instruction manual, made it an enjoyable experience. I'm really happy with how this boat turned out and if...