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« on: December 03, 2018, 07:19:33 PM »
Vai
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City: Mumbai
State: Maharashtra
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This is my Scratch built rc Nitro catamaran boat.
33inc in length.
Poweres by .25 Nitro engine water cooled (BUGGY ENGINE CONVERTED TO MARINE ENGINE)
Used 3mm balsa wood and ply wood fot the build.
Customize carbon fiber exhaust made by me. https://uploads.tapatalk-cdn.com/20181203/6fb9100cc88ccf6c59b0e9b6d734ad28.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/9ad1c2fb4f4c694d597f9e1992c421d7.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/d900fcd7fdd7714999066da30edecdb0.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/c224df6995705a29e4271881c06fc60c.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/6ace9301568def4d24683ccfb928c1cd.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/ea90eb3c1082498d37121cef06ddfbdc.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/85cd419d000d7b0bedd11cc93ac4831a.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/ffd0e89c12a5a4b8a2a1c7e20dec2e2a.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/b764877398948ffdaea4aa95c6367edc.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/b97c73390c98d44ee32a6c03687bf8f0.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/69e187103c9bbba8528f7901a6336e99.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/863cdad402a3ad23a8ffc09c2c9e376c.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/e03c1c842091be503fefe36b79366c5a.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/6e7bc55320cdbd62c89466006bad05b1.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/e8c8dcfdac8a32f87626202699120b65.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/abf2335c6cc7169597aaa13c0b4798a8.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/493ff5dfa409a7b9188f4a481bf804b3.jpg
My .25(4cc) Nitro Catamaran Boat.


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« Reply #1 on: December 03, 2018, 10:51:23 PM »
K K Iyer
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@ vai,
Welcome to RCI.
Fantastic first post.
Pl also post details of carbon fibre exhaust.
And videos of the boat in action.
Regards
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« Reply #2 on: December 04, 2018, 04:16:26 AM »
Vai
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City: Mumbai
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@ vai,
Welcome to RCI.
Fantastic first post.
Pl also post details of carbon fibre exhaust.
And videos of the boat in action.
Regards
Thanks you,
I have used mylar sheet and carbon fiber tube to give the shape of the exhaust. I used it like a mold And used c type resin. Here are some pictures. https://uploads.tapatalk-cdn.com/20181203/1ef087b9a1b777b8ac85dc4c6ba24306.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/d04ccad79b1da3c0bbde1c1fbacbdd85.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/6a82c1f1d92f8f109e57033885757601.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/6ed9e543f7a44a4c4246e27260a091f6.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/52d8e257bc2298644f72a695d7acabec.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/b881bd48418fbdbcad681444ccdec871.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/0e868fbf86d9d4039d1c2d0e5f5fd025.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20181203/7137d3ab143a3d6b65536c5a4a1d0a6e.jpg
My .25(4cc) Nitro Catamaran Boat.


Sent from my Redmi Note 4 using Tapatalk
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« Reply #3 on: December 04, 2018, 05:26:13 AM »
sanjayrai55
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Don't wake a Tiger until you've factored the teeth



Excellent job  Clap
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« Reply #4 on: December 04, 2018, 10:07:38 AM »
Vai
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City: Mumbai
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Excellent job  Clap
Thank you 🙂

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« Reply #5 on: December 04, 2018, 06:02:57 PM »
Vai
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City: Mumbai
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« Reply #6 on: December 15, 2018, 06:06:52 AM »
little chocolate soldier
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City: Madurai
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Ship models are Nautical gifts



Master class work sir . I have 4 ft long speed boat build by me but I don't know where to get motor and electronics for that could you pls tell me where to get those stuffs and the connection of motor and ESC also.
Regard
Amal
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« Reply #7 on: December 15, 2018, 07:41:50 AM »
Nanu
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Great work Sir,
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« Reply #8 on: December 16, 2018, 10:23:12 PM »
Vai
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Master class work sir . I have 4 ft long speed boat build by me but I don't know where to get motor and electronics for that could you pls tell me where to get those stuffs and the connection of motor and ESC also.
Regard
Amal
Thank you sir. for 4 ft long speed boat you can use inrunner brushless motor or outrunner brushless motor. you can get those from hobbyking and even from aliexpress. you will also get esc and water cooling jacket for those motor.you will need to get higher watts motor and mostly 6s setup. it would be better if you go with engine around 26cc.
Regard
Vaibhav Naik.
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« Reply #9 on: December 16, 2018, 10:23:41 PM »
Vai
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Great work Sir,
Thank you Sir
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« Reply #10 on: December 31, 2018, 05:15:09 PM »
Sakibian
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 Salute great job done! Looks like a beast!  Drool
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« Reply #11 on: January 03, 2019, 12:27:13 AM »
Vai
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Salute great job done! Looks like a beast!  Drool
Thank you sir Smiley

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« Reply #12 on: January 13, 2019, 08:06:32 PM »
Vai
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Finally she is on the water. https://uploads.tapatalk-cdn.com/20190113/450481431ef6a0f33b29a570c0b1b367.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20190113/0c141964f2a41cde5fe74c9ba1ea122c.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20190113/0bcc9aacde06bfc2485f931268ad8ab8.jpg
My .25(4cc) Nitro Catamaran Boat.


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« Reply #13 on: January 13, 2019, 09:26:03 PM »
K K Iyer
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@vai,
Lovely.
Obviously you’re an expert!
Please share a build log, even though I don’t know how many boat builders are there to appreciate it.
But some airplane guys like me would be very much interested!
Regards
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« Reply #14 on: January 14, 2019, 01:06:00 PM »
Vai
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City: Mumbai
State: Maharashtra
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Join Date: Apr, 2015



@vai,
Lovely.
Obviously you’re an expert!
Please share a build log, even though I don’t know how many boat builders are there to appreciate it.
But some airplane guys like me would be very much interested!
Regards
Thank you K K lyer,
Here are the parts which i have used for build.
3mm balsa wood ( Covering the hull)
3mm ply wood ( Main frame )
Used cyano glue and clear resin to seal the hull from inside.
4cc (.25) Nitro engine ( Buggy engine )
Fuel tank 6 oz. ( 180cc )
4.7mm flex cable ( prop drive )
5mm to 4.7mm collet.
43 mm aluminum prop.
110mm rudder assembly ( with strut )
2x 4kg torqued servo ( Throttle and Rudder)
5v 5Amp Ubec
3s 500mah 20c lipo battery ( power for electronics on board )
Automobile color with clear coat ( Fuel proof )
Over all weight (1.8kg).
CG at 33%
Prop angle is neutral.






https://uploads.tapatalk-cdn.com/20190114/30d12a68d3cad1f78da2efe97ea8f011.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20190114/400ec36c31a23af2b5d4da6e00909e10.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20190114/472afe6ad90fec673050ace6bd971f40.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20190114/3ef50e2b719c600c801775b291c9740b.jpg
My .25(4cc) Nitro Catamaran Boat.
https://uploads.tapatalk-cdn.com/20190114/19430331354a40555d5d1dcc0790fb0c.jpg
My .25(4cc) Nitro Catamaran Boat.


Sent from my Redmi Note 4 using Tapatalk
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« Reply #15 on: January 21, 2019, 02:40:52 PM »
Vai
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City: Mumbai
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Did some modification change the tune pipe length. Second this time will be using 30% nitro with 22%oil content. Even will try 42mm propeller. Will try to upload 2nd running video with following mod as i get time to visit my village again.https://uploads.tapatalk-cdn.com/20190121/e3d6dfd79ae2fbe8d206665f9caf8a43.jpg
My .25(4cc) Nitro Catamaran Boat.


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