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Author Topic: ModelsbyDesign Shannon  (Read 35633 times)

Taranis

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ModelsbyDesign Shannon
« on: September 26, 2018, 09:57:53 PM »

I will be building this here starting late November after the Warwick boat show. The build will incorporate KMB water jets with now functional reversing buckets. Andy Griggs tells me the buckets are now included in the kit. I find this remarkable having looked at the offering from Thomas Sievers at 73 each untested. I will also be using Simon's impellers Protean.
My build is not in any way in competition with those other fine builds by Kim or Chris Scott, indeed I hope they will help me when I need it  :-)


Best regards to my forum friends
Andy
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ANDY
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Re: ModelsbyDesign Shannon
« Reply #1 on: September 26, 2018, 11:55:52 PM »

Andy,
Welcome to the 'Shannon Club'. We don't feel there is any sort of competition here, just enjoy the research and your build and please share it with us - I have had lots of help from 'all over the place' in getting to where I am today..............and still learning, mightily!! Sure, if you need any help or advice there will be someone here that can help or point you in the right direction.
Well, I have just come back to my 'thread', after a long lay-off...............so better get on with that, but great to see another Shannon getting underway in Dry Dock.
Send me a PM and I will give you my email address, should you wish.
Enjoy the winter months and your build.
Kim

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Taranis

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Re: ModelsbyDesign Shannon
« Reply #2 on: September 29, 2018, 08:55:28 PM »

Thank you Kim  :-))
I must confess this will be my second Shannon but one I can share with the help and support of MBD experienced builders.
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ANDY
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Taranis

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Re: ModelsbyDesign Shannon
« Reply #3 on: October 02, 2018, 10:59:05 PM »

An early question for other MBD builders
This regards trim tabs and their operation. I imagine a couple of options but Id like the benefit of others experience please.
I imagine direct overhead servo operation as is possible with a removable deck, is this still possible with a fixed deck ? I guess yes with a sympathetically designed hatch.
The other option is remote servo with a 90 bellcrank
Has anyone fabricated their trim tabs yet? Pictures would be appreciated.
I have in stock so far
2x Turnigy SK3 1250kv outrunners
2x Turnigy marine 50amp ESC  proven to be more than adequate
2x KMB jet 28 RIVA-Calzoni recommended by Andy Griggs as suitable for his reverse buckets
2x Protean impellers to collect
2x KMB motor adaptor plates
2x KMB splash guards
6x servos Corona DS329MG midi size,  again proven in use without issues.
Input from other builders on what you use is welcomed for options
A drawer full of radar motors from china, Component shop no longer stock unfortunately.
If anyone wants the ebay link? you can negotiate with the seller yourself.


Is it acceptable/desirable to post links to the source of each supplier? Martin?

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ANDY
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tica

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Re: ModelsbyDesign Shannon
« Reply #4 on: October 03, 2018, 03:48:07 PM »

What type of battery will you be using ?
And looking fwd for the build log
I'm building a Thor coast guard from BB at the moment it is with KMB Jet 28, and is thinking about getting the Protean impellers for it.
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Taranis

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Re: ModelsbyDesign Shannon
« Reply #5 on: October 03, 2018, 04:08:07 PM »

What type of battery will you be using ?
And looking fwd for the build log
I'm building a Thor coast guard from BB at the moment it is with KMB Jet 28, and is thinking about getting the Protean impellers for it.


Hi Tica. I will be using 2 x 4s LiPo 5000mah minimum each
Replied to your pm  :-))
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ANDY
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tica

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Re: ModelsbyDesign Shannon
« Reply #6 on: October 03, 2018, 04:49:23 PM »

4S ok then you are still at the recommended max RPM. I'm running a Palm Beach with 1800KV and 3S and need 90A ESC (same setup for the Thor but times 2), for the next jetboat build I would consider a solution like yours.
PM well received  :-))

Carsten
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gregk9

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Re: ModelsbyDesign Shannon
« Reply #7 on: October 06, 2018, 03:47:59 PM »

for trim tab operation, Ive installed flexi "aircraft elevator" cables, run inside nylon tubing to act as a sleeve, so I can mount the servos remotely and fully accessible in the main compartment, rather than back at the stern, risking yet another water ingress source.  just another option to consider.
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http://chasewatermbc.blogspot.com/

Taranis

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Re: ModelsbyDesign Shannon
« Reply #8 on: October 07, 2018, 07:57:13 PM »

Thanks Steve. I have seen this done on the nozzle steering but not on trim tabs. I have yet to see anyones scratch made trim tabs for an MBD. Can you offer any photos?
Cheers Andy
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Re: ModelsbyDesign Shannon
« Reply #9 on: October 07, 2018, 08:14:57 PM »

Thanks Steve. I have seen this done on the nozzle steering but not on trim tabs. I have yet to see anyones scratch made trim tabs for an MBD. Can you offer any photos?
Cheers Andy



just use your speedline ones as templates for making in 16/18  gauge brass O0
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Taranis

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Re: ModelsbyDesign Shannon
« Reply #10 on: October 07, 2018, 08:19:35 PM »

Ultimately that is a good starting point as they are quite like the real ones. I would still like to see others examples rather than spend time doing what might be made easier with the benefit of their experience. I would also prefer direct overhead servo rods as they look closer to the real actuating rams
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ANDY
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Taranis

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Re: ModelsbyDesign Shannon
« Reply #11 on: October 08, 2018, 07:13:37 AM »

Having had a good think about this on the throne this morning I have concluded that black phenolic sheet will be a better option. Brass will soon look tatty as the paint wears or worse chips off in use. Various thicknesses are readily available and most likely use 2mm
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Re: ModelsbyDesign Shannon
« Reply #12 on: October 08, 2018, 08:45:23 AM »

I would also prefer direct overhead servo rods as they look closer to the real actuating rams

Voila!



C-3PO
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Taranis

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Re: ModelsbyDesign Shannon
« Reply #13 on: October 08, 2018, 09:31:39 AM »

Looks super thanks Jonathan
What has John used to fabricate the tabs?
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ANDY
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Re: ModelsbyDesign Shannon
« Reply #15 on: October 08, 2018, 09:22:29 PM »

I'm pretty sure with Andy's new reversing buckets to fit the KMB drives that I can replicate this appearance and performance. The trim tabs operate automatically in response to forward speed and bucket lowering. Facilitated by mixing channels with open TX software on FRsky Taranis TX
My drives arrived from Germany today  :-)


https://photos.smugmug.com/photos/i-RCVhZC2/0/b135a233/1280/i-RCVhZC2-1280.mp4

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Re: ModelsbyDesign Shannon
« Reply #16 on: October 09, 2018, 08:34:41 AM »

Looks super thanks Jonathan
What has John used to fabricate the tabs?
Hi Andy - I think they are made aluminium

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Taranis

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Re: ModelsbyDesign Shannon
« Reply #17 on: October 09, 2018, 02:27:59 PM »

They look well
My Paxolin is on the way to experiment with
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Re: ModelsbyDesign Shannon
« Reply #18 on: October 11, 2018, 09:08:41 AM »

Im thinking my MBD will be Workington to avoid the need for the beach launch and recovery equipment
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ANDY
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Re: ModelsbyDesign Shannon
« Reply #19 on: October 12, 2018, 10:54:14 PM »

Im thinking my MBD will be Workington to avoid the need for the beach launch and recovery equipment
You really think Workington's davit system will be easier to replicate?      ....  https://vimeo.com/226882344
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Taranis

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Re: ModelsbyDesign Shannon
« Reply #20 on: October 12, 2018, 10:56:45 PM »

 {-) {-)  No Alan but it opens up further possibilities  :-)
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ANDY
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Taranis

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Re: ModelsbyDesign Shannon
« Reply #21 on: October 13, 2018, 11:25:45 AM »

Thanks to a donated photo by Andrew Cowling I see Workington still has a keel extension so I guess they all do regardless? I could do with some bow photos for her. That video shows everything else  :-))





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ANDY
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Taranis

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Re: ModelsbyDesign Shannon
« Reply #22 on: April 01, 2019, 08:52:54 PM »

A lot of posts and not yet struck a bat  {-)
I decided to put my other builds in order and finish them one by one rather than attempting multiple models all vying for attention.
At this point today I've reached a milestone of brass completion. This will all have to made again for my MBD.
No more soldering for me this year  :-) 
See you again a couple of boats from now  %%



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Taranis

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Re: ModelsbyDesign Shannon
« Reply #23 on: April 02, 2019, 03:33:50 PM »

I missed the cabin front railings  :embarrassed: 
After a question from Mick French I've now learned that the shannon uses two types of lifering beacon. Compare Scarborough to Workington above  :-))


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Re: ModelsbyDesign Shannon
« Reply #24 on: July 04, 2019, 09:17:23 PM »

Looking forward to seeing this build in progress.
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