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Model Questions
rktman56
post Sep 30 2006, 02:16 PM
Post #1


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From: Minot, North Dakota
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Here is where GUESTS can ask a question about their model. If you have a quick question you may ask it here without having to REGISTER! wink.gif


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Roger

Model Marina Web Master and Discussion Board Administrator

"Over the years I have spent nearly all of my money on my Harley-Davidson, my model boats and women. The rest of it I just wasted!"


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Guest_Guest_*
post Sep 30 2006, 05:05 PM
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you should ask rodriguez about it
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Guest_Guest_*
post Sep 30 2006, 05:39 PM
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Ask rodriguez about WHAT? huh.gif
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Guest_Guest_*
post Oct 1 2006, 12:17 PM
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How do you guys allow the prop shaft to go through the hull without letting inany water? I would think that it would leak some water? huh.gif
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Guest_Guest_*
post Oct 1 2006, 12:20 PM
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what kind of radio control system thinggy do you use with your model boats? I have an extry system I used for one of my airplane, is it the same kind. can i use it
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Guest_Guest_*
post Oct 2 2006, 06:38 AM
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is it okay if I put up an animated avatar on my user profile? rolleyes.gif biggrin.gif laugh.gif hehe
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i.t. guy
post Oct 2 2006, 09:07 AM
Post #7


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From: Livonia, MI
Member No.: 14



QUOTE(Guest @ Oct 1 2006, 02:20 PM) *
what kind of radio control system thinggy do you use with your model boats? I have an extry system I used for one of my airplane, is it the same kind. can i use it

As long as you use the correct frequency range for your model. If you have a radio with a (Aircraft freq), you should convert your transmitter and reciever to a (surface freq.)

Radio Frequencies

Aircraft Use Only (72 MHz)
(72 megahertz, Channels 11 - 60): This is the most popular choice for flying models. Most radios designed for model aircraft and helicopters will be available on these channels.

Channel / Frequency


11/72.010
12/72.030
13/72.050
14/72.070
15/72.090
16/72.110
17/72.130
18/72.150
19/72.170
20/72.190
21/72.210
22/72.230
23/72.250
24/72.270
25/72.290
26/72.310
27/72.330
28/72.350
29/72.370
30/72.390
31/72.410
32/72.430
33/72.450
34/72.470
35/72.490
36/72.510
37/72.530
38/72.550
39/72.570
40/72.590
41/72.610
42/72.630
43/72.650
44/72.670
45/72.690
46/72.710
47/72.730
48/72.750
49/72.770
50/72.790
51/72.810
52/72.830
53/72.850
54/72.870
55/72.890
56/72.910
57/72.930
58/72.950
59/72.970
60/72.990



Surface Use Only (75 MHz)
(75 megahertz, Channels 61-90): Cars, boats, and other non-flying models must use one of these channels. Pistol grip radios are available on 27 MHz as well as 75.
Channel / Frequency

61/75.410
62 /5.430
63/75.450
64/75.470
65 /5.490
66/75.510
67/75.530
68/75.450
69/75.570
70/75.590
71/75.610
72/75.630
73/75.650
74/75.670
75/75.690
76/75.710
77/75.730
78/75.750
79/75.770
80/75.790
81/75.810
82/75.830
83/75.850
84/75.870
85/75.890
85/75.910
87/75.930
88/75.950
89/75.970
90/75.990



All Uses (27 & 50 MHz)
(27 megahertz, Channels A1-A6 and 50 megahertz, Channels 00-09) While legal for air or surface use, we recommend that 27MHz be used only for surface models. A pilot and driver broadcasting on the same 27MHz frequency would cause interference and could cause a crash. 50MHz channels can be used for R/C, but require the user to attain a Technician-class amateur radio license from the FCC.
Channel / Frequency


A1/26.995
A2/27.045
A3/27.095
A4/27.145
A5/27.195
A6/27.255
00/50.800
01/50.820
02/50.840
03/50.860
04/50.880
05/50.900
06/50.920
07/50.940
08/50.960
09/50.980


--------------------
Jim
Calm down, it's only ones and zeros
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Guest_Guest_*
post Oct 2 2006, 12:19 PM
Post #8





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QUOTE(Guest @ Oct 2 2006, 07:38 AM) *
is it okay if I put up an animated avatar on my user profile? rolleyes.gif biggrin.gif laugh.gif hehe



Yes, as long as it’s not offensive . wink.gif
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Guest_Guest_*
post Oct 2 2006, 12:26 PM
Post #9





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Why should I join this fourm/board? I am a member of other boards. What has this one got that i am missng with the others?

Also, has anyone ever used the graupner two clyinder steam engine before?
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rktman56
post Oct 2 2006, 10:42 PM
Post #10


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QUOTE(Guest @ Oct 1 2006, 01:17 PM) *
How do you guys allow the prop shaft to go through the hull without letting inany water? I would think that it would leak some water? huh.gif



In order to allow the prop shaft to go through the hull (like real ships) we use what is called a "stuffing box". Some have also called a "stuffing box" a "stern tube".

The stern tube is simply a tube with bearings on each end that support the prop shaft. The stern tube is filled with oil (thicker than water) or grease. The oil/grease prevent water from leaking into the hull. The drawing below shows a stern tube I designed for my USS Crockett to prevent "spider" cracks from the props thrust pushing against the prop strut. The grease fill tube is used to maintain grease in the stern tube.




In real ships, at times water does leak from the stern tubes. This "leak rate" must be kept within specs and is greatly reduced by the crew maintaining proper alignment of the stern tube and prop shafts. In my models I have seen a drop of two seep into my hull at the most. If you keep the shafts in aligned and the stern tubes filled with grease, leakage of water is not going to ever be a problem. wink.gif

Hope this give a quick answer to your question.

smile.gif


--------------------
Roger

Model Marina Web Master and Discussion Board Administrator

"Over the years I have spent nearly all of my money on my Harley-Davidson, my model boats and women. The rest of it I just wasted!"


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rktman56
post Oct 8 2006, 10:50 AM
Post #11


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Joined: 17-August 06
From: Minot, North Dakota
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QUOTE(Guest @ Oct 2 2006, 01:26 PM) *
Why should I join this fourm/board? I am a member of other boards. What has this one got that i am missng with the others?

Also, has anyone ever used the graupner two clyinder steam engine before?



You have asked a good question. There are quite a number of model fourms out there today on the net. For example, one that I am a member of and highly recommend is Warship Models Underway! Message Board. This board is for those who enjoy warship models. This board is run by Kurt Greiner and he asks you all to remember that his discussion board is for Warship models, not a general place to post photos of any boat or ship model you happen to have. While he does enjoy well built civilian models too, he tries very hard keeping his website and forum on topic. Even if you do not have a warship model, you can read the posts and learn alot about the hobby. wink.gif If you are a member of another board, we hope that you continue to support them.

MODEL MARINA DISCUSSION BOARD

This board is set up to cover the "Scale" R/C model boat and ship hobby. This covers scale fishing type boats to scale tugs. Scale model warships are also an item that even I have a few projects on the building tables. I don't tend to be as strict to the type of models as long as they are scale in nature. biggrin.gif


Hits

* Easy to use. This board is easy to use and it’s simple to learn it’s added features.
* On-Line Chat.
* Blogs. Each member can create there own Blog on their models.
* Gallery. Each member can create there own Gallery of pictures/movies on their models.
* Search. An excellent Search feature to help find what you are looking for.
* My Controls. An easy to use area to modify your personal settings, like your Avatar, email address, website information etc.
* My Assistant. An easy to use area to quickly read PMs from other members.
* Pictures. Members are allowed to post up to 10 pictures per post.
* E-mail notifications. Members can get email notifications of new post and new PMs.
* Edit Signature. Members can edit their Signature to include both graphics and HTML.
* Messenger. Each member has an easy to use messenger to compose messages, read and save messages and you are allowed to create folders to store your messages!
* Your personal note pad. As a part of your Control Panel, you are given an area to save “notes” of information that me be useful at a later time.
* Other Hobbies. An area for members to share the other hobbies they enjoy.
* Warn System. A system set up to identify members who post items that are inappropriate (to include SPAM). This takes out the garbage and filters the posts.
* NO FEE. IT”S ALL FREE! biggrin.gif

Misses

* Low members. This is where you can help.

The staff of this board would welcome you to join and help to support this board. wink.gif

Please note that ALL SPAM posts are quickly deleted, and members noted.


--------------------
Roger

Model Marina Web Master and Discussion Board Administrator

"Over the years I have spent nearly all of my money on my Harley-Davidson, my model boats and women. The rest of it I just wasted!"


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Guest_tip_*
post Oct 8 2006, 10:56 AM
Post #12





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can you tell me a quick tip to make my models look nore real?
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Guest_Just asking a question_*
post Oct 9 2006, 11:46 AM
Post #13





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I want to get into rc model boats. I like to build rc airplanes, si I've built mmany model kits before. What would be a good model boat kit to start woth?
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rktman56
post Oct 11 2006, 09:17 AM
Post #14


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Group: Root Admin
Posts: 330
Joined: 17-August 06
From: Minot, North Dakota
Member No.: 1



QUOTE(tip @ Oct 8 2006, 11:56 AM) *
can you tell me a quick tip to make my models look nore real?



Here is a quick tip. When you finish with your models clear coat them with a "flat" finish. This makes them look more real. When they have a "gloss" finish, they tend to look like TOYS. wink.gif


--------------------
Roger

Model Marina Web Master and Discussion Board Administrator

"Over the years I have spent nearly all of my money on my Harley-Davidson, my model boats and women. The rest of it I just wasted!"


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Guest_Robert_*
post Oct 12 2006, 11:16 AM
Post #15





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QUOTE(Just asking a question @ Oct 9 2006, 12:46 PM) *
I want to get into rc model boats. I like to build rc airplanes, si I've built mmany model kits before. What would be a good model boat kit to start woth?



Take a look at this link:

Boothbay Lobster Boat wink.gif
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rktman56
post Oct 27 2006, 10:17 PM
Post #16


Administrator
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Group: Root Admin
Posts: 330
Joined: 17-August 06
From: Minot, North Dakota
Member No.: 1



The Boothbay Lobster Boat is a GREAT model to start with. biggrin.gif


--------------------
Roger

Model Marina Web Master and Discussion Board Administrator

"Over the years I have spent nearly all of my money on my Harley-Davidson, my model boats and women. The rest of it I just wasted!"


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rktman56
post Oct 7 2007, 10:05 PM
Post #17


Administrator
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Group: Root Admin
Posts: 330
Joined: 17-August 06
From: Minot, North Dakota
Member No.: 1



Should we let guests post here again? dry.gif


--------------------
Roger

Model Marina Web Master and Discussion Board Administrator

"Over the years I have spent nearly all of my money on my Harley-Davidson, my model boats and women. The rest of it I just wasted!"


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Guest_mopwaxheap_*
post Oct 7 2007, 10:28 PM
Post #18





Guests






I want to use the Dumas speed control but my friends have told me to use an ESC. So why should I? ihave the Dumas one and I do not want to buy another. mad.gif
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Guest_Jim_*
post Oct 9 2007, 04:11 PM
Post #19





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QUOTE(mopwaxheap @ Oct 7 2007, 11:28 PM) *
I want to use the Dumas speed control but my friends have told me to use an ESC. So why should I? ihave the Dumas one and I do not want to buy another. mad.gif



Dumas uses what is called a variable resistor style speed control. This type of spped control is far less effective and effeciant than an ESC. Plus, using a Dumas spped control, if you do not have the control set to off (slider in the midle) it will drain your battery and you wouldn't know it!
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Guest_Guest_Benjamin_*
post Oct 13 2007, 09:36 PM
Post #20





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Can anyone tell me where I can get a couple of the 3700 series Pitman motors that are widely used for the Mr. Darby Tug? Where can I get them and what is the cost of these motors each? I have a 48" inland water way Tow Boat ( barge pusher) that I have built from scratch that needs a couple of monster motors. The boat has 50lbs. of balast not including batteries and other RC gear and running hardware. I am currently using 2 Pittman 9000 series motors but the dont seem to be as big and powerful as the 3700 series motors I've been hearing about. The boat is very nice and I have spend probably a couple hundred hrs on building it, but it just doesnt have the power I want it to have. Any info on where to find a couple of the 3700 series Pittmans would greatly appreciated!!! Thanks - Ben bolin03@hotmail.com
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