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Old 08-12-2014, 01:25 AM
  #901  
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28"Cracker-Jack Board - Bottom/Hull Lamination - 3/2 layers - Yellow infused pigment colour - Polyester resin.



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Old 08-12-2014, 10:53 PM
  #902  
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Deck laminated with two layers of cloth - wrapped around the rails to hull for strength.





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Old 08-13-2014, 08:08 AM
  #903  
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Domic, thanks for keeping me updated. Really enjoying the build process!
Old 08-13-2014, 12:15 PM
  #904  
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Originally Posted by czegard
Domic, thanks for keeping me updated. Really enjoying the build process!
It's a pleasure Christian - tomorrow I shape and glass the POD onto the bottom - followed by first flow coat...hope you are also enjoying the Surf video's .....getting you intune for some BroFun !

http://youtu.be/uNejaViG9SI
Old 08-14-2014, 04:02 AM
  #905  
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Shaping and Glassing the POD on !...a very important part of the hulls performance - the shape /position / volume - effects the boards overall performance tremendously ....being the main part flowing through the water and displacing the hull.....several tapering laminated layers make up the POD's strength.






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Old 08-14-2014, 04:54 AM
  #906  
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First filler flow coat applied to the hull to fill in cloth weave and smooth out lamination layers.....sanded to establish a smooth surface once cured. The tape around the edge is known as a skirt - prevents the resin flowing to the opposite side.
Working with accurate levels is important to maintain accurate rocker requirements...




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Old 08-14-2014, 11:27 AM
  #907  
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Squeezed in a Thursday afternoon surf session - Extramural!...with Sammy the Seal ...wind just started swinging on-shore - got a fw in before it was spoiled.

http://youtu.be/7Ycrve5Aknk
Old 08-14-2014, 11:36 PM
  #908  
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28" Cracker-Jack board hull's flow coat sanded- smooth joint between POD and hull surface. Deck flow coat applied .



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Old 08-18-2014, 06:34 AM
  #909  
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Hollowing out and Glassing the Housing - Pod still to be hollowed out ...





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Old 08-19-2014, 02:51 AM
  #910  
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Pod's foam carved out - Housing water deflection rim moulded in place / coated with first coat of resin....



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Old 08-19-2014, 03:40 AM
  #911  
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Rudder tube installation - requires good strength /anchorage....brass tube is held in position using a basic Jig- floating it within a larger diameter hole- so that he epoxy can flow liberally around the brass tube in its full length- as well as saturate into the foam...the glass layers and flow-coats applied around the brass tube add further strength.



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Old 08-19-2014, 04:53 AM
  #912  
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Hi Dominc, would you mind sharing the brand of the epoxy that you use for the Rudder tube installation? Is it West System G-Flex?
As usual....thanks for keeping me updated with the build
Old 08-19-2014, 06:10 AM
  #913  
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Originally Posted by czegard
Hi Dominc, would you mind sharing the brand of the epoxy that you use for the Rudder tube installation? Is it West System G-Flex?
As usual....thanks for keeping me updated with the build
Howzit Christian - it is AMPREG 21 - a general purpose Epoxy - thinnish viscosity with a slow curing rate to ensure good/deep saturation into the foam core of the board....
Build update is part of the process....
Old 08-19-2014, 06:34 AM
  #914  
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36"progress...

Finally received the brush-less motors for the 36" boards
......that sure was a 'slow boat ' from China - they may make things fast - but the shipping can be real slow !....lol...the entire drive shaft hardware is hand made to ensure ideal accuracy and balance/trueness... it is a relatively simple yet proven to be robust and easily serviceable design




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Old 08-20-2014, 02:01 AM
  #915  
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Note the epoxy surrounding the brass tube ensuring a good strong bond.
Further filler coats well around the extending brass tube adding more strength.



Final colour coat applied to the deck...before decals and clear coat..



A Trio of Bro rc Surfers coming up !...busy day in the workshop !...

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Old 08-20-2014, 06:06 AM
  #916  
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36" boards Motor mount plates and Battery platform (pod rib) hand manufactured and installed. Absolute accuracy is required to ensure true running of the drive shaft. Placing the motor as deep into the Pod as possible affords for a low thrust angle - limiting the tendency of nose lift which could cause excessive hopping/porpoising.....






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Old 08-21-2014, 10:56 AM
  #917  
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Final colour coat applied to the bottom/hull.......so many little curing steps in the overall build process...every one needs to be spot on.

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Old 08-21-2014, 11:16 AM
  #918  
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Once the motor mount plate is bonded/cured - the drive shaft housing and stuffing tube can be permanently bonded in place at the end of the POD. Only the S/S portion of the Drive shaft housing is permanently bonded so that the stuffing tube can be replaced if damaged / worn. It is first tacked in place with a smidgen of quick set epoxy to ensure true alignment before the final epoxy fill is poured.



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Old 08-21-2014, 11:25 AM
  #919  
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Dom,
When you get to the hardware build, specially the drive shaft length, consider that I will use a Leopard LBP3650/3Y 2450KV.

Cheers
Old 08-21-2014, 11:52 AM
  #920  
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Originally Posted by czegard
Dom,
When you get to the hardware build, specially the drive shaft length, consider that I will use a Leopard LBP3650/3Y 2450KV.

Cheers
No problem - it is the same motor spec that I use in the 28" boards ...
Old 08-21-2014, 02:23 PM
  #921  
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Originally Posted by YPC
No problem - it is the same motor spec that I use in the 28" boards ...
Do you run 3S batteries or 4S? It seems to me that it should be 3S, because you will get 27,195 RPM

Cheers
Old 08-21-2014, 10:24 PM
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YPC
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Originally Posted by czegard
Do you run 3S batteries or 4S? It seems to me that it should be 3S, because you will get 27,195 RPM

Cheers
You can run either - I mostly run 4s with the timing set at 0 degrees - plenty of torque and longer run time - 30 mm prop.
I do recommend one starts with the 3s set up - 27mm prop - 7 degree timing - it's smother on the throttle and easier to surf.
Old 08-22-2014, 05:15 AM
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28" CrackerJack board - Hatch cover - Bro core - Bro head moulded ..






Last edited by YPC; 08-22-2014 at 05:19 AM.
Old 08-24-2014, 09:32 PM
  #924  
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Just another day in AFRICA !
https://www.youtube.com/watch?v=ifkJ0psii78&list=UUGF0z9XOc-eCEjP1qQh-aig
Old 08-25-2014, 01:58 AM
  #925  
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Hi Brosurfer Dom, just dropping in for another quick squiz on whats happening SA way.

Last time i mentioned my flexybro rider was going well on my board (still is ) but am thinking of making another board to slightly modify some things rather than cut up or modify what is working ok atm...

Have noticed most of your recent vids are of the SUP 28 board with new shape flexybro.
Was wondering if you could give any insight into the differences between the Original, Floater and SUP shapes when surfing, like the pro's n con's of each shape regarding handling, planing, turning or even what waves each shape would be more suited for and/or cruising or slashing riding...?

Not askin for secret hull descriptions (would be happy to hear any but.. haha) just some general thoughts.

Anyway, all seems good bro camp, look fwd to seeing the big ones goin soon.

bc


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