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Author Topic: Andy's Amati Riva Aquarama build  (Read 17560 times)

Taranis

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Andy's Amati Riva Aquarama build
« on: June 29, 2020, 11:23:35 am »

Yes sorry yet another Riva  {-)  inspired by those builds on the forum already thank you.
Build resource link https://www.youtube.com/c/BacktoHardware/videos

Kit has been posted this morning from CMB and I must recommend paying £10 for the CMB membership. The 5% discount on just the kit alone more than paid for membership.
FYI as David said in his build thread all fittings come with the kit despite the fittings also being marketed as a separate pack too.


The etched brass set is extra and will be on a future order.
Pictures from Glenn @ CMB






I spent yesterday clearing a build zone for the next couple of years  {-)

radiojoe

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Re: Andy's Amati Riva Aquarama build
« Reply #1 on: June 29, 2020, 05:18:57 pm »

Don't be sorry Andy you can't have too many builds of this iconic boat look forward to following your progress, love the build zone by the way. :-))


Joe
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Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #2 on: June 29, 2020, 05:39:06 pm »

Thank you Joe
Itís even clearer now and silicon sealed along the wall edge to stop losing small parts  {-)
Delivery tomorrow by UPS


DJW

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Re: Andy's Amati Riva Aquarama build
« Reply #3 on: June 29, 2020, 06:19:49 pm »

Welcome the Aquarama owners club..! (1/10 section...)


Excellent choice..! Looking forward to seeing progress.


Heading off to clear up my bench so it looks more like yours....

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #4 on: June 29, 2020, 09:48:53 pm »

Thank you for the welcome but you do of course realise it's all your fault that I'm doing this  {-)  Nice to be part of a club  :-))


Judging by the photos of CMB stockroom they sell a lot of these.


My bench won't be like that for long  %%

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #5 on: June 29, 2020, 10:12:04 pm »

Interesting product brought to my attention via member ukmike.

I was first aware of this product due to needing to service and fault find an Eberspacher heater many years ago now.
Never a more unconnected subject matter

https://www.letonkinoisvarnish.co.uk/eberspacher_intro_1.html

https://www.letonkinoisvarnish.co.uk/varmain.html

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #6 on: June 30, 2020, 05:00:14 pm »

I've chosen the motors also from overlander mainly due to Turnigy being no stock everywhere.
I've gone a size below David @ 2836 and hope to connect these in a direct line with the shafts.
On 3s these will stay within the 15,000rpm limit of my prop shafts.


https://www.overlander.co.uk/rc-motors/outrunners/2836-08-1120kv-tornado-thumper-v3-brushless-outrunner-rc-motor.html


DJW

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Re: Andy's Amati Riva Aquarama build
« Reply #7 on: July 01, 2020, 08:25:58 am »

Morning Andy


Nice choice on the motors, I've powered my similar Overlander 3035 units up and can't imagine the boat will need the full range of their output, so I think the 2836s will be spot on.


I'll be really interested when you receive the kit what the etched sheet looks like, and what all this about a separate etched 'kit' refers to. My kit is 6 months old and seems to have the full set of etched parts included. This is what I have:





Best regards
David.

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #8 on: July 01, 2020, 09:47:13 am »

Thanks Dave
I'm still waiting for my parcel. UPS tracking is absolutely rubbish. I stayed in all day yesterday because it said and still says now that delivery will be 30th June 10:45 to 14:45.
No news today yet  >>:-( >>:-(


I will most likely use the Quicrun 30 amp ESC as I already bought 2 spare last week.

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #9 on: July 01, 2020, 09:42:53 pm »

Finally arrived  :-)



A heavy box and pretty full















This is the old etched brass which was two sheets and part F-09 is no longer included for some reason. I think it was meant to be part of the steering wheel.



This is the current all in one sheet in the kit today



Unfortunately due to poor packing at the factory my screen frame has scratches both sides. CMB will get a replacement.








There are 5 sheets of plans and a very good assembly manual
The start



The planking and all the ply is excellent quality. The planking in particular would shame Billings.


Progress using both slow and fast CA for the framework.





The rear half is still dry fitted here


Mark T

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Re: Andy's Amati Riva Aquarama build
« Reply #10 on: July 02, 2020, 06:56:48 pm »

This will be good - I'll be following the progress and good luck I love these boats

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #11 on: July 02, 2020, 11:33:23 pm »

I hope so Mark  :-)


Firstly I've ordered the Raboesch sealed waterproof shafts with bearings that can handle 15,000 rpm max and require no lubrication. I ordered 290mm long 4mm as these can be shortened as required.
Also ordered Raboesch 35mm type C 3 blade propellers L & R handed


So after a full morning of chores I got started this afternoon. All was going well until I came to fit the floor panels then I realised I had assembled frame four and its four additional pieces the wrong way around. NOTE that frame is the only one that is not symmetrical and it caught me out.
I managed to get it out with about 30minutes of effort without breaking it. As the four sub pieces could not be removed without destruction I opted to remodel the frame which was a good fix.
Then onwards with no further problems.
I bought a supply of Aliphatic resin and other bits from Leeds model shop this morning. So like ukmike I use CA and aliphatic as I deem appropriate.
See here the forward floor is the wrong way around.



More progress after the fix
Now starting to remove material to reduce weight as I progress. I think by tomorrow eve it should be ready to start planking the lower hull.





DJW

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Re: Andy's Amati Riva Aquarama build
« Reply #12 on: July 03, 2020, 08:58:58 am »

Morning Andy


That's quick work..!!!  Took me four months to start the planking...  You'll be there in four days..!


The asymmetric cabin layout issue, I can fully understand that oversight, made it myself...


The Aquarama seems to me quite a dense build in terms of where the hardware (motors / Lipos / RC) goes, its all in the most narrow section of the shapely hull. But still there's a lot of structure in the bow section, I suggest looking at weight saving there too. If you look at the videos of 1/10th Aquarama hulls in action, they can have issues with the bow digging in.


And @MarkT...  I think we need one more Aquarama build thread...  You need an Aquarama in your life...


 :-))

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #13 on: July 03, 2020, 09:05:41 am »

Thanks David but I do have the benefit of yours and ukmikeís groundwork to speed my journey  :-))


No worries about weight I fully understood the numerous mentions  {-)  I will be working forwards with my collection of hole saws today O0


Mark would not get a steam engine in one of these  %%

Mark T

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Re: Andy's Amati Riva Aquarama build
« Reply #14 on: July 03, 2020, 11:57:20 am »


And @MarkT...  I think we need one more Aquarama build thread...  You need an Aquarama in your life...


 :-))


Ha ha I can't even get in my workshop at the moment hence the lack of updates on my build!

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #15 on: July 03, 2020, 01:49:58 pm »

I must post now and have a break or there'll be too much in one post later.
Firstly another part with the potential to get it wrong.
These are made up of four parts, two are thin and too are thick (subtle difference) You must use one of each for both!






Initially it can be perplexing how to assemble this jigsaw. First I dry fitted all parts and marked their outlines on the transom to help when gluing.



I then glued these parts as shown being careful that the mating surfaces are all in contact and square



Then glued them in place






Aliphatic resin only takes about 10 mins to grab



I then checked the cross member and clamped while the other parts were secure



Removed and glue applied  for final fit. The bottom pieces need the keel filing to get the required fit.



Done  :-)







Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #16 on: July 03, 2020, 06:48:06 pm »

So round two today. Great instructions so nothing untoward and all parts fit well. If it doesn't fit its either wrong way around or the wrong part  {-)








Weight shedding in progress















Bench cleared and cleaned again.



Tomorrow will be more holes sanding and finishing resin all over (first coat of diluted)


The planks are the best quality I've experienced. I think the issue Mike had 8 yrs ago of different thicknesses has been resolved.



radiojoe

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Re: Andy's Amati Riva Aquarama build
« Reply #17 on: July 03, 2020, 07:04:03 pm »

Your cracking on with her Andy, I guess the planking will take some time, have to say the kit looks like excellent quality, following with interest.




Joe.
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Re: Andy's Amati Riva Aquarama build
« Reply #18 on: July 03, 2020, 07:10:19 pm »

Hi i am just starting out with a Riva can anyone give me info on fitting water cooling system ie hole positions thanks in advance
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Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #19 on: July 03, 2020, 07:14:37 pm »

Few days Joe  {-)


I'm not doing water cooling but have a look at the other Riva threads  :-))

Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #20 on: July 03, 2020, 07:27:21 pm »

Actually Joe planking may be delayed as I'm waiting for Motors mounts propshafts and propellers. I much prefer to have the motors mounted in perfect alignment beforehand.

radiojoe

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Re: Andy's Amati Riva Aquarama build
« Reply #21 on: July 03, 2020, 08:39:19 pm »

Yeah that makes a lot of sense, a great advantage to be adle to see though the hull when fitting the shafts.


Joe.
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Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #22 on: July 03, 2020, 09:27:26 pm »

Best effort to promote hole envy  {-)











That's all today. Time for a coffee and brandy  :-))


sealing coats tomorrow and sanding the frames for planks

radiojoe

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Re: Andy's Amati Riva Aquarama build
« Reply #23 on: July 03, 2020, 11:00:35 pm »

Andy,  did you ever work in the cheese industry  %% %) {-)




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Taranis

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Re: Andy's Amati Riva Aquarama build
« Reply #24 on: July 04, 2020, 04:07:37 pm »

More cheese Grommet  :}


Yet more holes. I see the footwell as fair game as that too is covered over.  All resin coated now.









Next step is contouring the frame edges.
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