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4 Days Ago

racingfan1 replied to a thread In memory of racers no longer with us: in Boat Racing Encyclopedia

Hearing the sad news that Charles Davis has passed away.

320 replies | 231359 view(s)

5 Days Ago

fastcatt started a thread Tohatsu M50D2 in Technical Discussion

Hi All, Are there any reed blocks that can be swapped into my Tohatsu M50D2? I have a modified the ports, re-angled the squish on the stock head,...

0 replies | 145 view(s)

1 Week Ago

Ron Hill replied to a thread Speed Classic in Vintage, Inboard and Endurance Inboard History

We were in Galveston eating breakfast in this little old trailer/cafe. The cook was a "Crack Up", he was turn the pork chops over with his fingers....

6 replies | 23951 view(s)

1 Week Ago

Chad Morgan replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

I can see a couple of things on sponsons that would help get grip in turns and he’s got a note and squiggly lines saying something about vacuum...

11 replies | 579 view(s)

1 Week Ago

Chad Morgan replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

I’m not seeing a fin at all on the De Silva comet yamato tunnel plan. I have been looking at the plan for hrs and still trying to figure out how to...

11 replies | 579 view(s)

1 Week Ago

HemiHondo replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

Yee haa !!

11 replies | 579 view(s)

1 Week Ago

HemiHondo replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

Adding a fin to the hull will help immensely ....Reguarding placement,do the plans specify distance from transom to fin ??

11 replies | 579 view(s)

1 Week Ago

Chad Morgan replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

Mailman just dropped off a tube of plans. Couldn’t wait to open it..... Inside is 1 photograph of the completed tunnel boat and 2 large pieces of...

11 replies | 579 view(s)

1 Week Ago

Chad Morgan replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

Just had a look at Sorrenson’s facebook page and dillons racing and there are some nice looking boats on those blokes websites. I better wait and see...

11 replies | 579 view(s)

1 Week Ago

Chad Morgan replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

This little Minimaxxed is a bit strange to drive compared to my 3.8 meter aluminium fishing boat. She stands up and points at the sky on take off...

11 replies | 579 view(s)

1 Week Ago

Dvdracing replied to a thread 12ft Tunnel Build in Boat Racing Encyclopedia

428 replies | 150887 view(s)

1 Week Ago

DeanFHobart replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

Hello Chad Morgan, In addition to the above reasons that you can not get 50 mph or so, your Glen L Mini Maxed is not a three point hydroplane.......

11 replies | 579 view(s)

1 Week Ago

zul8tr replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

For a 1997 15 hp I thought is was a 15 ci in displacement, I thought the old ones were the 1950's era 15 cu in engines. Your 1997 engine is 2.38"...

11 replies | 579 view(s)

1 Week Ago

Chad Morgan replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

My merc is stamped 1997,15m or short leg. (40cm motor board) max 6000 rpm with serial number starting with OG4612. 8 spline on prop with 2:1...

11 replies | 579 view(s)

1 Week Ago

zul8tr replied to a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

The Merc 15 cu in engines (KG4H) that were used to get 50+ had special streamlined quicksilver gear cases with 1:1 ratio and only forward gears and...

11 replies | 579 view(s)

1 Week Ago

Chad Morgan replied to a thread 12ft Tunnel Build in Boat Racing Encyclopedia

Nice work building this boat mate, looks the goods and was a great read thanks.

428 replies | 150887 view(s)

1 Week Ago

Chad Morgan started a thread How do the old 15a type outboards get over 50 mph? in Technical Discussion

G’day, I’ve just built my first boat, A glen l minimaxxed which is 8ft long and 4ft wide. Basically 3 sheets of 6mm plywood cobbled together with...

11 replies | 579 view(s)

1 Week Ago

hemij replied to a thread Nice Mercury 44Xs “Barn Find” in Motors and Powerheads

Is it still for sale??

2 replies | 2301 view(s)

1 Week Ago

hotdogx replied to a thread What is the Make of This Outboard Runabout? in Outboard Racing History

Austin, Thank you for the info and photos offer. I'll let you know if I get a design going. These are great looking boats. Al Clark

8 replies | 1207 view(s)

1 Week Ago

Ron Hill replied to a thread Garage find, actually desert find in Open Discussion

Fred had lots of every ****, so he could have had a white 19' Daytona, but I don't recall ever seeing it.

1 replies | 1717 view(s)

1 Week Ago

Amod20HRacer replied to a thread What is the Make of This Outboard Runabout? in Outboard Racing History

Try reaching out to Mark Kurz for plans for one of his runabouts. His email address is: kampkurz@yahoo.com. He might be able to help you with what...

8 replies | 1207 view(s)

2 Weeks Ago

Ron Hill replied to a thread Ron Hill Signature Propellers or PROP19 on E-Bay in Propellers

We have made this 11.25 X 16, semi cleaver for years. Works wonders on 40-50 HP Outboards on SLT Inflatables. 116 is a Tohatsu Hub kit. Comes...

66 replies | 73096 view(s)

2 Weeks Ago

Ron Hill replied to a thread Ron Hill Signature Propellers or PROP19 on E-Bay in Propellers

I made these props back in 1989 for Campbells, they are still the best Campbell prop out there!

66 replies | 73096 view(s)

2 Weeks Ago

Ron Hill replied to a thread Ron Hill Signature Propellers or PROP19 on E-Bay in Propellers

I started making propellers in my garage, 52 years ago. Still like all kinds of props. I have written a book about my life. It is called "Ron Hill...

66 replies | 73096 view(s)

2 Weeks Ago

Powerabout replied to a thread OMC/yamaha ignition timing curve 3 cylinder two stroke. in Technical Discussion

all jet ski ignitions have rpm retard ( due to better exhaust I'll bet), outboards could do with it as well, once you pump up the comp and revs

2 replies | 320 view(s)

2 Weeks Ago

dumperjack replied to a thread Konig History in Outboard Racing History

I have fund .... https://www.youtube.com/watch?v=xTrJEFbJqhA

555 replies | 397713 view(s)

2 Weeks Ago

cocacola replied to a thread 1956 Hal Kelly Jupiter 10 with Merc Mark 30 H in Boat Racing Encyclopedia

Me too.... my dad raced runabouts before I was born....1950's Now....he restores old Wizards and Mercury's for fun. my fascination has got the...

11 replies | 8002 view(s)

2 Weeks Ago

hydrospeed77 replied to a thread OMC/yamaha ignition timing curve 3 cylinder two stroke. in Technical Discussion

I was thinking about how to do this the other day.. I need a signal/trigger that is TDC, so I can compare it to the ignition timing trigger.

2 replies | 320 view(s)

2 Weeks Ago

zul8tr replied to a thread 1956 Hal Kelly Jupiter 10 with Merc Mark 30 H in Boat Racing Encyclopedia

Old tread hope he responds

11 replies | 8002 view(s)