Banner Ad 1

Hunley 1/8

This is the place to post your submarine build- ups.

Hunley 1/8

Postby pablo1 » Sun Jan 31, 2010 6:25 am

Hi everybody !
Its a long time since I posted here :wink:
After my first sub, I began the construction of the Hunley in May 2009.
90% Scratch building, external hull in zinc, accessories in copper and brass, waterproof hull in epoxy resin and fiberglass.
The model is is almost finished by now. The maiden "see trial" have been succesfully done last week end during a Submarine Regatta which held in an indoor pool.
If it is of some interest to you, I will relate the construction and the trials of this model which is 159cm long (5,21Feet)
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France


Re: Hunley 1/8

Postby pablo1 » Sun Jan 31, 2010 2:29 pm

Here are some details about the model interior :

Water proof hull in epoxy resin & fiberglass :
http://www.sousmarin.kart-thiais.com/im ... CF0542.JPG

Ballast water pump outside of the waterproof hull :
http://www.sousmarin.kart-thiais.com/im ... CF0543.JPG

Scratch made transmission for propeller and rudder :
http://www.sousmarin.kart-thiais.com/im ... CF0544.JPG

Water proof hul interior :
Electric motor (car window) and gear (printer)
http://www.sousmarin.kart-thiais.com/im ... CF0551.JPG
http://www.sousmarin.kart-thiais.com/im ... CF0553.JPG

Soft water ballast (medicinal blood origin)
http://www.sousmarin.kart-thiais.com/im ... CF0556.JPG

Water ballast pump control :
http://www.sousmarin.kart-thiais.com/im ... CF0556.JPG

Magnetic switch for pump stop when water ballast empty :
(same on the top when ballast full)
http://www.sousmarin.kart-thiais.com/im ... CF0562.JPG
http://www.sousmarin.kart-thiais.com/im ... CF0561.JPG

Failsafe and automatic horizontal control :
http://www.sousmarin.kart-thiais.com/im ... CF0558.JPG

:wink:
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby TMSmalley » Sun Jan 31, 2010 3:40 pm

Fantastic! Michael will be pleased you put his plans to good use.

I'll be interested to hear how your model handles underwater. I have always had a pitching problem when I ran my Hunley, chalking it up to the boat's bow planes only control. Also, if you take too steep of a dive, the bow planes can't compensate.




Image
Tim Smalley
User avatar
TMSmalley
SubCommittee Member
 
Posts: 2484
Joined: Fri Feb 21, 2003 8:58 am
Location: Edina, Minnesota USA

Re: Hunley 1/8

Postby pablo1 » Sun Jan 31, 2010 7:03 pm

Hi Tim!
I knew your model since a long time.
I have a website where I present my works on subs and other models (wooden toys for my grandchildren), on this website Ihave a special page for links :
http://www.sousmarin.kart-thiais.com/Liens02_update.htm
If you scroll down, you'll find your website :wink:
About your question for underwater sailing...
This model is really very new, even not yet finished, and I only used it once last week end. I have not a big experience of navigation with it.
It's fitted with an automatic horizontal control which seems to be efficient when the speed is more than 1/2 on the "throttle"
There is a small trick in order to get the bow planes more efficient : The battery pack is fitted on a mobile rack, when the bow planes are going to dive, the rack goes ahead ( +/- 2,5cm = 1"), when the bow planes are going up, the rack is going backwards. It really helps for a good control but you need to have a good speed.
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby TMSmalley » Sun Jan 31, 2010 7:30 pm

Great idea!
Tim Smalley
User avatar
TMSmalley
SubCommittee Member
 
Posts: 2484
Joined: Fri Feb 21, 2003 8:58 am
Location: Edina, Minnesota USA

Re: Hunley 1/8

Postby pablo1 » Sun Jan 31, 2010 7:32 pm

Thanks :wink:
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby pablo1 » Sun Jan 31, 2010 7:38 pm

Sorry I made a mistake on a pic above :

Water ballast pump control :
http://www.sousmarin.kart-thiais.com/im ... CF0557.JPG

All information about the real Hunley :
http://www.sousmarin.kart-thiais.com/So ... update.htm
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby pablo1 » Wed Feb 03, 2010 5:19 pm

here is a video of underwater sailing
http://www.youtube.com/watch?v=UkjF1Ox2 ... r_embedded
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby TMSmalley » Wed Feb 03, 2010 6:34 pm

Sweet! Much better pitch control than mine. Congratulations!
Tim Smalley
User avatar
TMSmalley
SubCommittee Member
 
Posts: 2484
Joined: Fri Feb 21, 2003 8:58 am
Location: Edina, Minnesota USA

Re: Hunley 1/8

Postby pablo1 » Wed Feb 03, 2010 6:37 pm

Thanks... :wink:
I'm very glad you like my model :D
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby pablo1 » Wed Feb 03, 2010 7:36 pm

My model is a little bit bigger than Tim's one, but I do not think the gap big enough to be so efficient.
It might be the fact to have the batteries fixed in a motorized rack witch helps the bow planes work.
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby pablo1 » Thu Feb 18, 2010 3:24 am

Here is a little improvement :
"Schnorkell" motorisation : Small video of the motion :
http://www.sousmarin.kart-thiais.com/im ... ll1022.AVI
Adjustments are still necessary, but the main thing seems to be good.

Notice : Video is a bit long to load
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby pablo1 » Thu Feb 18, 2010 2:34 pm

It is an ".avi" file it takes 1 or 2 minutes to load for me, but some friends of mine told me they had some problems to wiew it :( .
I'll put it on youtube soon and let you know the link :wink:
pablo1
Registered User
 
Posts: 20
Joined: Tue Jul 17, 2007 11:41 am
Location: Paris, France

Re: Hunley 1/8

Postby SOLO » Fri Feb 19, 2010 3:33 am

Hi Pablo !

The first patrol :)



Regards
Laurent

Image
click on the banner :)
SOLO
Registered User
 
Posts: 32
Joined: Mon Apr 27, 2009 10:58 am
Location: France

Next

Return to Builder Threads

Who is online

Users browsing this forum: gantu