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SG&K Gentlemans Runabout Mk2

Designed for better access and reposition motor

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harry smith 120/06/2017 10:12:33
1141 forum posts
1315 photos

stern frame.jpgbow frame.jpgbasic frame 2.jpgHi All

I have start my redesign by increasing the size to 860mm, increasing the engine hatch size(the deck planking will hide this), but, the hatch will still look scale size.

I am moving the brushless 3639-1100kv motor and ESC to under the dash.

The dash area from the windscreen will be held down by four 10mm magnets.

The driver and passenger will feel the power of motor!!!!

This is my first go at a double cross planking boat!!!

Can-a-busbasic frame 1.jpg

harry smith 121/06/2017 08:10:59
1141 forum posts
1315 photos

engine mount 2.jpgengine mount 3.jpgengine mount 1.jpgHi All

Installed driveline and motor mount using my designed engine mount disc which grub screws onto the prop drive.

Harrydrive line.jpg

harry smith 124/06/2017 07:23:38
1141 forum posts
1315 photos

engine hatch 6.jpgengine hatch 5.jpgengine hatch 4.jpgengine hatch 3.jpgengine hatch 2.jpgengine hatch 1.jpgwindscreen uncut  opening.jpgHi All

Cut out for the engine hatch and started on the making the hatch, also started cutting into frame 3 for where I am installing the motor and ESC.

All the wires will go under the flooring.

I have made the flooring in two pieces before skinning the sides.

I did this on the Sea Hornet and made life a bit easier!!!

Harrywindscreen cut out.jpg

harry smith 126/06/2017 08:13:49
1141 forum posts
1315 photos

Hi All
Only installed the battery floor and mounted the servo today.

Harryservo and battery.jpg

Edited By harry smith 1 on 26/06/2017 08:18:18

Ray Wood 227/06/2017 11:55:48
2840 forum posts
988 photos

Hi Harry

I think you method of sorting out the internal installation before the skins go on is a great approach and makes good sense, keep up the good work it should be a flyer

Regards Ray

harry smith 127/06/2017 12:52:48
1141 forum posts
1315 photos

Hi Ray

Working on an idea for the rudder setup as it will be fully covered in with no access!!!!

Also I totally dislike the original rudder which looks like crap.


Ray Wood 227/06/2017 13:57:40
2840 forum posts
988 photos

Hi Harry

Maybe a closed loop system with cables, but if its built-in you can't adjust the throws at the rudder end, stainless fishing trace wire with brass tube crimps works well on aircraft.

Regards Ray

harry smith 127/06/2017 14:08:50
1141 forum posts
1315 photos

Hi Ray

I can change the throws at the servo end and also on the Turnigy IA6 radio.

Also can setup the throttle channel in two switchable modes, one for scale and one for full throttle.

Also have speed, voltage and motor temperature sensors to read back to the transmitter.


ashley needham27/06/2017 16:44:34
7640 forum posts
159 photos

I like using those nylon/plastic rudder tillers, and replacing the standard nut and bolt with a 3mm bolt and nyloc. It enables the shaft to be a good fit on the (5mm) shaft, but not so tight that you cannot fit them long as you can get a hold of it somehow. Makes rudder adjustment so much easier as well.

Keep up the good work, Harry lad.


harry smith 128/06/2017 01:07:30
1141 forum posts
1315 photos

Hi Ashley

I am going brass with an oiler tube built in!!!

Double pushrods, double grub screws and double lock nuts.


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