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Hey Nat, Thanks for the info. Looking forward to your new thread on OB. I'm digging as much info on ob as I am going to be buying one ob motor soon to try on my tunnel boats. As a designer/builder, I could build one that would be close to scale when the gas ob hangs from the transom. I sure...

Hello there, That's a very scale looking Outboard tunnel, and it was ran in the 80's ? Could you tell us the builder then and how was the overall performance apart from the gearing problem. Appreciate your infos. Latiff

Hi there Dominic. Thanks very much for the info on the Hitech servos. I can't afford one let alone two. hahaha. However I have applied the link system in the old days of my earliy nitro OB days with standard servos, but they don't last. I can't afford to keep buying new servos so had to figure...

Here are a couple of pics for the one that is going to Sunny SA.

Thanks for the response Dominic. Would you believe it OB was my thing with full scale scratch built tunnel for SST 60 (F3) and 11 cc OB in the past and definitely still is now. I have to go where my pocket can take me at the moment. But Gas OB will be there for me. My tunnel for OB as you can...

Hi Dominic, Please to meet you here. An interesting topic close to my heart and soul as well. :D :D :D If there is no delay in transportation, you might be able to see my tunnel in person at the forthcoming TOC in SA She was designed to take OB but the owner wants to run with IB so she was...

Hi Kris, I've have gone with the red before and works fine with the lift it's given me.

Here are pics of my tunnel from an old magazine. For my most recent tunnel for Zenoah please click on this link to view and enjoy http://s664.photobucket.com/albums/vv1/BodyguardF1boat/ Kind Regards to all Latiff

Hi all tunnel boaters OB or IB, Just wondering whether this will work for Gas OB. I have managed to turn my 11cc outboard tunnel on a dime even when coming hot into the turn with just a standard servo and a trick set up i figured out cause I couldn't afford the powerful metal gear servos in...

Yes Ozbryan it would be a different ball of game which I have dabbled in long before now. I have scratched built my full scale SST60 which ran as it was supposed to and so was my 11cc scratched built nitro tunnel back in the 90's. With these experience to back me up in designing and scratch...

Hi There, LOA is 46 inches Width is 21inches. I'll see if I have one that is upclose then post it here. Thanks for looking in. Latiff

Guys, Proud to share some pics of my latest scratched built tunnel. The hull was designed to take outboard but as I don't have any outboard yet so I planted my 26 cc inboard. She is too user friendly for near stock 26cc with 257 carb. even though she is already running only on the last inch of...

Rgds

Mike, I agree with you, set up is the last telling touch on a race craft and that includes prop choice for the kind of waters you are running in. However, a hull design comes first and that is what you would like to be submitted here, right ? I have raced with one of my design which proves to...

Mark, I've been doing tunnel R&D from 1989 till now and have found what work and what doesn't . I have a few designs which have been race proven and one may be produced in the US real soon but meant for OB gas. Two types of tunnel theories are : tunnel scooping air under for lift. Most likely...

The Seaducer transom is just a hook . Most of my build use the second and third style. Varying the length of the flattened pad at the end which gives transom lift, I am in effect is shifting the hook part forward or backward. How far forward are you referring to. I have experimented the two...

I don't know that one D. It was done on the very minute for Mike to solve his problem. You think it will help ? Looking good on the new build . Some more pics on the weekend.

Mike, You managed to get the sketch downloaded ? I can see a lot of downloading done already. Hope it is of some use to you or anyone else for application on their high alpha running attitude. If you need more info just shout Body Guard

Hi Mark, Its BG again. in lane 1. On your mark.--- Video does not do justice to your boat. Kind of underexposed or was the weather brewing for a storm ? Congratulation for good video clip of the test run. Get Setttt! ----From my observation of the run on the clip. First run with cowling...

I'm trying to load the file different format. Doesn't work as yet after 4 trys. At the moment I don't have explanatory pic.