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Mini AirJon - 14' Alumacraft Jon Boat with 22 HP Honda GX660, 48" Dia X 30 Pitch Prop.

To view this ad on eBay, please go to the eBay website at eBay.com and enter item number 320745764132 in the...

Flathead - The Dual Props are bolted together using grade-8 5/16" diameter bolts. There is a metal plate between them to prevent the props from crushing into each other.

As for the trigger...

Thanks Bogger2! I tried a dual prop set-up today. 42-22 Wide Prop next to the motor and a Standard 42-24 in rear. Results were less than expected. Although I was turning 2600 RPM on the trailer...

New engine - Honda GX660 with 42"-22 Wide Prop.
Runs great in shallow water, planes out good with two passengers and runs consistently 10-12 MPH - top speed 16 MPH.
Engine turns 3500 RPM on the...

http://www.youtube.com/watch?v=ogi8lvlFAw0

Only turning 2400 RPM.

Slower than expected....

New bigger motor on the way (Honda GX660). I am sure this could be one of those never ending...

Wanted - Stick style steering cable and Lever Controls reasonably priced. Will consider several lengths.

Progress Update - First Start-up with prop


http://www.youtube.com/watch?v=iq_j4Tnxty0

Thanks Buster. My prop arrived today and after looking at the prop, I am thinking they may need to be a little farther apart... 12-14" from center looks about right.

If I am using a 42" prop and two rudders, where should the rudders be positioned along the transom? I am guessing about 12" from the center of the prop on each side, making them 24" apart??
...

How much should the rudders rotate in a full turn? I was thinking about 45 degrees...??

Buster - Thanks for the info. You are right on track on my thoughts about the runners on the jon boat, but I was thinking they could potentially cause extra resistance when attempting a sharp turn;...

Thanks for all of the good comments and suggestions.

My frame/motor support is constructed of thin wall aluminum square tubing. The cage will be aluminum conduit - 3/4" for the main hoop and 1/2"...

I need some advice on the rudder(s) for this project.

Using a 42" prop on the jon boat should I use 2 rudders or one? I am thinking one due to the narrow boat, I think one would probably allow...

Just starting an Air Jon - 15 HP Kohler on a 14' Jon Boat. 42-16 Prop On the Way.

I am located in North East Tennessee.

Are there any online calculators available for prop and hp requirements for various loads?

Thanks,

dlight

Thanks Papee. I am not too concerned about fast speeds. How fast do you think I could expect?

I am Seroiusly Considering a Mini River Running Airboat Project - 1436 Jon Boat (already owned)...

Does anyone have any facts about the Lifan Engines by Home Depot? I have been told they are clones of the Honda engines.

I am thinking about a 13 or 15 HP with Electric Start for my 14' Jon Boat...

Thanks Papee!

Hello everyone. I am very interested in building a small airboat for running shallow rivers here in Eastern Tennessee. I have 14' river john with a 6 hp outboard that I am very happy with the...