[PSUBS-MAILIST] Trailer

[hank pronk]

My idea was to make the existing hitch telescope out of the trailer.  No need to add bars or poles.  Just pull the pin and drive ahead, when the wheels pull against the chalks stop and put the pin in.  Back into the water.  The only problem may be the trailer is not long enough to have the length of extension you want.  
Hank



On Friday, December 13, 2013 1:58:21 PM, Dan H. <jumachine at comcast.net> wrote:
  
Scott, 
  
I used 2-1/2 inch schedule 40 pipe for 
the outer tube and 2" schedule 40 pipe for the inner tube.  2-1/2 
inch pipe actually measures about 2-7/8 inch OD. and like wise, 2" in near 2-3/8 
OD. 
  
If I were making another one I would jump up one 
size for each.  3" pipe for the outer and 2-1/2 inch for the inner.   
It's a bit more weight but would allow you to 
actually push back a little if your trailer dropped in a hole while backing 
in.  
  
Dan H.  
----- Original Message -----  
>From: swaters at waters-ks.com  
>To: Personal Submersibles General  Discussion  
>Sent: Friday, December 13, 2013 12:48  PM 
>Subject: Re: [PSUBS-MAILIST] 
Trailer 
>
>
>I like the ease of making the bar, but backing up a double trailer is  pretty difficult. They way they do it in the video is on the ramp,  chalking the tires and attaching a tow strap in case it started to roll down  the ramp. I currently have been launching my sub with a tow bar similar  to this from my parents yacht club. I think the long and the short of it  is the tow bar is a better option due to ease of construction and the  ability to make steeper ramps work. 
>Any idea on the size of metal tubing used for Dans design? 
>Thanks, 
>Scott Waters  
>
>-------- Original Message --------
>>Subject: Re: 
    [PSUBS-MAILIST] Trailer
>>From: Alec Smyth <alecsmyth at gmail.com>
>>Date: Fri, 
    December 13, 2013 9:40 am
>>To: Personal Submersibles General 
    Discussion
>><personal_submersibles at psubs.org>
>>
>>
>>Hi Scott, 
>>
>> 
>>Actually Dan H's solution is telescoping as well, and I like it better  than mine, particularly if your trailer is already built as you will not  need to change it. See this video, starting at 0:38. 
>>
>> 
>>https://vimeo.com/18213498
>> 
>>
>> 
>>Best, 
>>
>>Alec 
>>
>>
>>
>>On Fri, Dec 13, 2013 at 11:23 AM, James Frankland <jamesf at guernseysubmarine.com> wrote:
>>
>>Hi Scott, 
>>>Have a look at the 3rd picture from the bottom here of Dan H's  trailer.  Im going to make a very similar one out of a scaffolding  pole.  Im not going to bother making it telescopic, just carry it  strapped to the trailer bed and attach it when needed. 
>>>
>>>http://www.psubs.org/projects/1234567813/persistence/
>>>
>>>James
>>>
>>> 
>>>On 13 December 2013 15:55, swaters <swaters at waters-ks.com> wrote:
>>>
>>>If you use the telescoping idea, how big of square tubing do you  need to do a 20' stretch? 
>>>>Thanks, 
>>>>Scott Waters 
>>>>
>>>> 
>>>>
>>>> 
>>>>
>>>> 
>>>>
>>>> 
>>>>Sent from my U.S. Cellular©  Smartphone
>>>> 
>>>>hank pronk <hanker_20032000 at yahoo.ca> wrote:
>>>>
>>>>Hi Scott, 
>>>>That is a question with no right answer.  It totally  depends on your boat ramps.  If I understand you, your choosing  between a extension pole between truck and trailer and a telescopic  reach.  If your boat ramps have a sharp angle at the crest then a  telescopic reach may drag on the ground.  I like the telescopic  reach idea because you can just pull a pin then drive ahead until the  reach is extended.  Put the pin back in the new spot and your  away.  If you have limited help that is the way to go. 
>>>>
>>>>
>>>>
>>>>On Friday, December 13, 2013 8:02:30 AM,  swaters <swaters at waters-ks.com> wrote:
>>>> 
>>>>I am working on modifying my trailer so I can launch my sub myself.  I have 2 ideas. One is the conventional idea of havinga second tounge  extension trailer so I can get the length to launch the boat. The second  is to have a long touge that replaces the hitch and the long tounge has  a hitch on it? Any reccomendations? 
>>>>Thanks, 
>>>>Scott Waters 
>>>>
>>>> 
>>>>
>>>> 
>>>>
>>>> 
>>>>
>>>> 
>>>>Sent from my U.S.  Cellular©  Smartphone
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>> 
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