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« on: June 03, 2017, 07:12:12 AM »
desachristopher
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This is a 52" twin hull RC catamaran . Built with 3mm plywood. I used fevicol as a glue. But latter switch to araldite. Below are some build logs..https://uploads.tapatalk-cdn.com/20170603/39c4ab5f8a3dc1b4a1e4a3b6592adcba.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/f19b4e4469cf7a5b8e49509e7720e1c8.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/9d6ec1a01000247ba870d7921c76b17d.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/f31e39b3c5b526a8a2af096ad13d0bcf.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/e4578e1a757616109e5a7f76cfe819d4.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/70767ad9fde6a36fa478d4fe4240e374.jpg
My new 52" catamaran RC boat Diy


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« Reply #1 on: June 03, 2017, 11:34:46 AM »
sanjayrai55
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Great going Chris  Thumbs Up.  Subscribed
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« Reply #2 on: June 03, 2017, 12:03:15 PM »
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very nice.

how did you cut ? by hand or power fretsaw

52" is huge .   will be impressive when finished
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« Reply #3 on: June 03, 2017, 12:41:22 PM »
desachristopher
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Re:

I used jigsaw to cut the plywood

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« Reply #4 on: June 03, 2017, 12:43:00 PM »
desachristopher
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Re:

I have almost completed 90℅ of the hull.   Some more pics

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« Reply #5 on: June 03, 2017, 12:47:14 PM »
desachristopher
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More pichttps://uploads.tapatalk-cdn.com/20170603/86661b004bc26a994d6ae231abefc828.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/5fd5736f76fd54659750b5228d86ac74.jpg
My new 52" catamaran RC boat Diy


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« Reply #6 on: June 03, 2017, 01:11:43 PM »
desachristopher
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No clamps. So I took anything I could. To put on some weighthttps://uploads.tapatalk-cdn.com/20170603/bb44c5e1b30103f3b1496ca958c137e7.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/5f7dba57eca2ae1a4b2fa90da820a984.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/8c017b6e304cde6407dad317aebb574c.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/e4662144d3073113e2a27b505d96b645.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/451398b9cc740abce215d732c452608f.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170603/ed1ef18909d594e6a9ab231ba2af41d1.jpg
My new 52" catamaran RC boat Diy


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« Reply #7 on: June 03, 2017, 08:00:09 PM »
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@desachristopher,
 Clap
Must be far more difficult using ply as compared to balsa.
Hope you are going to:
1. Have a thin fibreglass and epoxy finish, plus spray painted colours
2. A roaring nitro engine to make this cat really fly
3. Set an Indian speed record for boats
Looking forward to completion...
Regards
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« Reply #8 on: June 04, 2017, 10:22:25 AM »
desachristopher
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Thankx
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« Reply #9 on: June 04, 2017, 04:59:09 PM »
desachristopher
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Diy rudderhttps://uploads.tapatalk-cdn.com/20170604/c5c76d6754e22da16f5504c84a3c28c9.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170604/8089c6d5508ddbe99b223e23a02376cb.jpg
My new 52" catamaran RC boat Diy


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« Reply #10 on: June 04, 2017, 05:32:03 PM »
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Looking really nice Smiley

What do you expect the total weight to be?
What size prop are you intending on using??
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« Reply #11 on: June 04, 2017, 06:39:00 PM »
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👍
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« Reply #12 on: June 04, 2017, 09:00:20 PM »
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looking really good. subscribed
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« Reply #13 on: June 16, 2017, 07:58:13 PM »
desachristopher
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Paint work startedhttps://uploads.tapatalk-cdn.com/20170616/4cb4ffd187359bffa2fe7ddd45988e64.jpg
My new 52" catamaran RC boat Diy


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« Reply #14 on: June 17, 2017, 05:00:57 PM »
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Amazing work
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« Reply #15 on: June 17, 2017, 10:56:58 PM »
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Amazing Work Chris, Wish I could see it in real, 52" thats huge. BTW That Black stone (Grinding) reminded me of Goan Fish curry that my mom prepares. You found out a new use of that stone.....
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« Reply #16 on: June 18, 2017, 01:17:38 PM »
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nice work buddy ... Clap
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« Reply #17 on: June 18, 2017, 08:12:59 PM »
desachristopher
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the grinding stone was Idle, so I made a good use of it. Smiley Smiley
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« Reply #18 on: June 18, 2017, 08:39:02 PM »
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@desachristopher,
Lovely primer preparation.
Look forward to outstanding finish!
Regards
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« Reply #19 on: June 20, 2017, 07:32:35 PM »
desachristopher
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Mr. Iyer. tomorrow I'll be painting, hope it comes good.
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« Reply #20 on: June 20, 2017, 08:41:56 PM »
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Mr. Iyer. tomorrow I'll be painting, hope it comes good.

Hope you have a good spray gun. Or that you are using spray cans.
This boat deserves better than a brush job...


Edit
And you never told us about that high powered nitro engine...
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« Reply #21 on: June 21, 2017, 02:51:32 PM »
desachristopher
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I have a brushless set ready, thinking of going for a petrol engine. like brush cutters. hope I get one in local market/shops
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« Reply #22 on: June 22, 2017, 09:53:50 AM »
desachristopher
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Red n whitehttps://uploads.tapatalk-cdn.com/20170622/20a6729b2d1dc2f7d8cfb3e433171fe5.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170622/6c2f40236f79d3d947a3bdea0f4e6912.jpg
My new 52" catamaran RC boat Diy


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« Reply #23 on: June 24, 2017, 06:34:53 AM »
desachristopher
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Hardware paintedhttps://uploads.tapatalk-cdn.com/20170624/3a5d073556470c30c4a39f7d64a2adbd.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170624/95c06ae02918901caa3704b104eb9c88.jpg
My new 52" catamaran RC boat Diy


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« Reply #24 on: June 24, 2017, 09:12:58 AM »
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Nice built!  Hats Off Have you used epoxy fiber glass over the ply?
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« Reply #25 on: June 25, 2017, 12:13:00 AM »
desachristopher
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Re:

Yes I sprayed epoxy resin only

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« Reply #26 on: June 28, 2017, 12:27:23 PM »
desachristopher
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Painting done. Let it dry for couple of days.then I'll start with hardware fittings n decalshttps://uploads.tapatalk-cdn.com/20170628/b5e8626e83b9af310a6cbb90cfa38d0a.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170628/c18e671a22022bd5f02242383f46a90f.jpg
My new 52" catamaran RC boat Diy


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« Reply #27 on: June 28, 2017, 05:30:18 PM »
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"Kadak" that is what we say here in Mumbai/Thane.
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« Reply #28 on: August 03, 2017, 01:59:10 PM »
desachristopher
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I did not get time to test this cat. Here are the final pics. Will upload d video soonhttps://uploads.tapatalk-cdn.com/20170803/03a63ecfb907dfea3ac49c8719a54675.jpg
My new 52" catamaran RC boat Diy
https://uploads.tapatalk-cdn.com/20170803/1aae40322b6994629b8571818fee55db.jpg
My new 52" catamaran RC boat Diy


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« Reply #29 on: August 03, 2017, 02:36:28 PM »
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Amazing work bro

This is going to burn the water

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« Reply #30 on: August 03, 2017, 07:27:09 PM »
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What a beauty Chris. All the best for the maiden
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« Reply #31 on: August 03, 2017, 08:00:15 PM »
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Amazing build...let the beast ROARRRRRRRRRRRR
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« Reply #32 on: August 03, 2017, 10:37:53 PM »
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WOOOW......this looks better than RTF model.......awesome bro.....just awesome ..... Hats Off

Please share the plans if you don't mind.
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« Reply #33 on: August 10, 2017, 09:55:05 PM »
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below is the link to download the plan, and also some pics. where I have done some minor changes

https://drive.google.com/drive/folders/0B_d0Evd55jm4N2FiRWMxNnFZZEE?usp=sharing
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« Reply #34 on: August 11, 2017, 12:56:48 AM »
madaquif
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thanks Christopher..
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« Reply #35 on: August 12, 2017, 10:52:05 AM »
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Very beautiful model... excellent finishing. Keep it up
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« Reply #36 on: August 13, 2017, 08:15:38 PM »
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Excellent build christopher
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« Reply #37 on: August 19, 2017, 12:21:08 AM »
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After long time i see the finishing like this. I use to challenge to my friend about mirror finish and you are close to it. nice one and it took me back to 1999 when i built my own designed power boat with ply. very difficult to shape. you have done great job buddy
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« Reply #38 on: August 27, 2017, 07:16:55 AM »
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Thank you my friends.
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« Reply #39 on: October 09, 2017, 09:54:28 PM »
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« Reply #40 on: October 09, 2017, 09:57:30 PM »
desachristopher
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Im not satisfied with the speed, the motor just cant push, m going to switch it to gas engine.(brush cutter engine)

suggest me guys
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« Reply #41 on: October 09, 2017, 10:22:25 PM »
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Beautiful!

Its got enough speed, do you want more?
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« Reply #42 on: October 09, 2017, 10:30:29 PM »
madaquif
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I liked it.....Cheesy
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« Reply #43 on: October 10, 2017, 01:23:08 AM »
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what's the  electronic setup of this monster ?  ? ?
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« Reply #44 on: October 10, 2017, 06:18:47 AM »
desachristopher
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Re:

Electronics are 3650 brush less motor. 180a ESC . 5000mah 4s lipo.

I only need to change the motor. Sets a motor on Ali express. 4090 size somewhere around 1200kv . I think it's for enough power to handle this boat. But very costly. In less then what it cost I can get an engine.

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« Reply #45 on: October 10, 2017, 10:39:06 AM »
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Have you used waterproof ESC?
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« Reply #46 on: October 10, 2017, 01:32:23 PM »
desachristopher
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Have you used waterproof ESC?
Have you used waterproof ESC?

No, but I covered it with silicon, as n where needed.
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« Reply #47 on: August 07, 2018, 05:50:36 AM »
keston_b
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hi where can i get a scale drawing like this
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« Reply #48 on: August 07, 2018, 09:03:14 AM »
ShantanuBorate
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Beautiful... Hats Off
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« Reply #49 on: August 07, 2018, 09:20:31 AM »
sanjayrai55
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hi where can i get a scale drawing like this
Have you even read through the post? See Reply # 33
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Sanjay - Gravity is my enemy
 

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« Reply #50 on: August 09, 2018, 02:57:26 AM »
saurabhhsrivastavaa
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Excellent build!!!
I watched the entire video log and can imagine your plight building this beauty.
Loads of hard work, patience and perseverance, I must say.

Yes, the boat is slow and you need a Bigger motor for it. I think it can go 4 times the current speed. If you going electric, do use the marine ESC with water cooling. Add a small diaphragm pump if the need be so for cooling.

I am on a similar project with a 48 inch Stryker cat hull and a 26cc motor. I ainít got those scratch building skills nor my patience lasts that long. Lol.

Anyway, good luck and keep updating!
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Cheers !!!
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« Reply #51 on: August 10, 2018, 10:21:22 AM »
girishsarwal
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Brilliant... Lovely "Kattumaram"
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gs
 

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« Reply #52 on: August 10, 2018, 08:04:04 PM »
gaurang.1972
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hi you can use 4260 motor
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« Reply #53 on: August 10, 2018, 08:49:38 PM »
Mehul Anand
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It's awesome!!!
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« Reply #54 on: August 28, 2018, 11:43:03 PM »
desachristopher
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Excellent build!!!
I watched the entire video log and can imagine your plight building this beauty.
Loads of hard work, patience and perseverance, I must say.

Yes, the boat is slow and you need a Bigger motor for it. I think it can go 4 times the current speed. If you going electric, do use the marine ESC with water cooling. Add a small diaphragm pump if the need be so for cooling.

I am on a similar project with a 48 inch Stryker cat hull and a 26cc motor. I ainít got those scratch building skills nor my patience lasts that long. Lol.

Anyway, good luck and keep updating!

thanks buddy, I cannot afford another motor and battery, so I brought 1 brush cutter engine. 4 stroke 35cc. but that is taking all the space and the boat is looking ugly. i have not fitted yet.
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« Reply #55 on: August 28, 2018, 11:50:43 PM »
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hi you can use 4260 motor
I was looking for 4092 brushless motor + ESC + 6s battery setup. but dats gonna be too expensive . so decided to go for gas . lets see when I can install 1.
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« Reply #56 on: August 29, 2018, 12:43:48 AM »
K K Iyer
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Lovely!
Open the hatch, place the engine in the engine bay and take a photo.
Eager to see!
(Is a bigger motor/esc/lipo much more expensive?)
Regards
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