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Graham Stewart
Fwd: Trailer
2021-05-20; 08:13:29 EDT
Member Since
2005-04-29
Posts: 805
What terrific drawings. Thanks for finding these Peter. I am going to have to learn for to find things in the archives. Not sure where to start. Graham Stewart Agile, Rodes 22, 1976 Kingston OntarioSee the original archive post
-----Original Message----- From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Peter Nyberg Sent: Thursday, May 20, 2021 7:39 AM To: The Rhodes 22 Email List Subject: Re: [Rhodes22-list] Fwd: Trailer Todd’s post with the trailer diagrams is here: http://www.rhodes22.org/pipermail/rhodes22-list/2009-September/062414.html Peter Sent from my iPad > On May 20, 2021, at 7:01 AM, Todd Tavares <tavares0947 at gmail.com> wrote: > > There is a dimensioned drawing in the Archives. The axle position in the > drawing was taken from several different Triad trailers which were the > same. On some trailers the axle was a few inches forward. > > Todd Tavares. > >> On Wed, May 19, 2021, 11:16 PM Graham Stewart <gstewart8 at cogeco.ca> wrote: >> >> Does anyone know what the "ideal" distance from the ball to the axle would >> be on the RC trailer? >> >> Graham Stewart >> Agile, Rodes 22, 1976 >> Kingston Ontario >> >> >> >> >> >> >> >> -----Original Message----- >> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf >> Of Todd Tavares >> Sent: Wednesday, May 19, 2021 10:49 AM >> To: The Rhodes 22 Email List >> Subject: Re: [Rhodes22-list] Fwd: Trailer >> >> If I remember correctly, there were different axle positions on single >> axles over the years when measured from the center of the ball of the fully >> retracted extension (or fixed winch tower. The axle (spring mounts) was >> moved rearward more than a few inches. I remember this coming up in the >> list discussions after I made the dimensions trailer drawing now in the >> archives. Slim's axle may have been one that was too far forward....I >> don't recall, but Slim may have been one of the guys who measured their >> trailer for me. This measurement did differ from the trailer I bought from >> Lloyd Crowther later on. Some other members went out and measured their >> axle positions and I edited the drawing. >> Adding a second axle may help with the fishtailing but at the same time >> could be masking the original axle position problem and lead to lower than >> possible tongue weights. Even when adding a second axle, the correct single >> axle position (which sets tongue weight) is important because that becomes >> the new center point for the double axles. >> >> Todd T. >> >> >>> On Wed, May 19, 2021, 9:52 AM ROGER PIHLAJA <roger_pihlaja at msn.com> wrote: >>> >>> Graham, >>> If the additional weight were so-called “sprung weight”, the issue you >>> raise would be valid. But, we’re talking about adding pieces/parts that >>> are mostly unsprung weight, (i.e. not supported by the trailer’s >> springs). >>> The weight of the axles, most of the leaf springs, wheels, brakes, and >>> tires is supported only by the tires. Therefore, these pieces/parts do >> not >>> contribute to tongue weight. In the case of Slim’s trailer, adding the >>> second axle behind the original axle caused a fraction of the total load >> to >>> be taken up by the new axle. In the case of tandem axles, you have >>> calculate the position of an imaginary radius of pitch rotation, i.e. a >>> point in space which defines the radius of the moment arm thru which the >>> load is applied. A rigorous calculation is quite involved; but, the >>> approximate solution is midway between the two axles. Since the radius >>> moved aft, more of the load is carried forward of the radius, resulting >> in >>> more tongue weight. >>> >>> Roger Pihlaja >>> S/V Dynamic Equilibrium >>> >>> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for >>> Windows 10 >>> >>> From: Graham Stewart<mailto:gstewart8 at cogeco.ca> >>> Sent: Wednesday, May 19, 2021 9:33 AM >>> To: 'The Rhodes 22 Email List'<mailto:rhodes22-list at rhodes22.org> >>> Subject: Re: [Rhodes22-list] Fwd: Trailer >>> >>> Roger: >>> A technical question about adding an axel: I can see how moving the front >>> axle forward so that the existing pivot point is midway between the axles >>> would maintain the existing pivot point. However, you say that adding an >>> axle to the trailer without moving the first axle would "move the pitch >>> radius from the original center of the single axle back to ~ halfway >>> between the centers of the tandem wheels". Is not adding the second axle >>> and wheels also adding weight behind the pivot point thereby reducing the >>> weight on the tongue? I am wondering how one would calculate where the >> new >>> pivot point is in this scenario. >>> >>> Graham Stewart >>> Agile, Rodes 22, 1976 >>> Kingston Ontario >>> >>> >>> >>> >>> >>> >>> >>> -----Original Message----- >>> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On >> Behalf >>> Of ROGER PIHLAJA >>> Sent: Wednesday, May 19, 2021 8:26 AM >>> To: The Rhodes 22 Email List >>> Subject: Re: [Rhodes22-list] Fwd: Trailer >>> >>> Slim, >>> >>> So, your shop effectively moved the pitch radius from the original center >>> of the single axle back to ~ halfway between the centers of the tandem >>> wheels. This will increase the tongue weight, fortunately in your case >> not >>> enough to be dangerous. I bet if you were to measure the tire loading, >> you >>> would find your two front wheels are carrying considerable more load vs. >>> the two back wheels. Again, as long as you don’t exceed the tire load >>> rating, this is not dangerous. Have you noticed more tread wear on the >>> front tires vs. the rear tires? My four tires wear pretty evenly and I >>> don’t rotate them or anything like that. In fact, I tend to have to >>> replace trailer tires most often due to cracking in the sidewalls due to >>> oxygen and UV exposure after several years. I have had a blowout and a >>> steel wheel failure on my boat trailer in the 34 years I’ve owned it. In >>> both cases, I was extremely glad I had a tandem axle trailer! >>> >>> Roger Pihlaja >>> S/V Dynamic Equilibrium >>> >>> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for >>> Windows 10 >>> >>> From: Steven Alm<mailto:stevenalm at gmail.com> >>> Sent: Tuesday, May 18, 2021 7:37 PM >>> To: The Rhodes 22 Email List<mailto:rhodes22-list at rhodes22.org> >>> Subject: Re: [Rhodes22-list] Fwd: Trailer >>> >>> When I added the second axle to my trailer I did not reposition the first >>> axle. The second one was put on behind it. I did not do this work >> myself. I >>> checked with several shops in my area until I found one who I felt would >>> do it right. They also fabricated new fenders over the wheels — single >> long >>> fenders covering both wheels. I don’t know what the tongue weight is but >> it >>> weighs down the back of the vehicle about two inches, so at least a >> couple >>> hundred pounds, probably more. They added electric breaks to the front >>> wheels and installed the controller up next to the steering column. In >> the >>> last 25 years I’ve owned four different tow vehicles ranging from a 3/4 >>> ton Ford E250 to a 6 cylinder Toyota 4Runner. All towed it fine without >> any >>> issues. >>> >>> Slim >>> Fandango >>> >>> >>> On Tue, May 18, 2021 at 4:33 PM Jesse Shumaker < >>> jesse.laten.shumaker at gmail.com> wrote: >>> >>>> I leave my Tohatsu 9.8 motor on the transom while trailering because it >>> is >>>> heavy. However, I take my rudder off and put that in the v-berth since >>>> that helps put more weight forward and takes stress off the transom. I >>>> help support my motor with 3 separate straps that hang off the stern >>> rail. >>>> >>>> My most recent process is to remove the tiller and connector to the >> motor >>>> so it's easy to handle the components rather than the whole assembly. >> I >>>> had a cover made for the rudder so it's easy to maneuver through the >>> cabin >>>> without scraping anything. The cover is made such that I can put on >> and >>>> take it off while the rudder is mounted on the boat. >>>> >>>> The ramp at the lake where I sail is quite gradual so it's easy to get >>> the >>>> boat far enough forward. I'm still a novice when it comes to towing >> but >>>> haven't had any issues when towing around 60 MPH on my 2011 Triad >> single >>>> axle trailer. >>>> >>>> Jesse Shumaker >>>> S/V Zephyr >>>> >>>> On Wed, Apr 28, 2021 at 8:10 PM THOMAS POLISE via Rhodes22-list < >>>> rhodes22-list at rhodes22.org> wrote: >>>> >>>>> I have very little weight on my hitch and inquired to Triad trailer >>> with >>>>> the response that I needed to remove motor. Has anyone else had >> this >>>>> problem and resolved without having to take motor off? >>>>> >>>>> >>>>> Begin forwarded message: >>>>> >>>>>> From: Michael Orro <mike at triadtrailers.com> >>>>>> Date: April 28, 2021 at 3:16:51 PM EDT >>>>>> To: THOMAS POLISE <tvpolise at aol.com> >>>>>> Subject: RE: Polise trailer >>>>>> >>>>>> ? >>>>>> Hello Mr. Polise, >>>>>> >>>>>> Thank you for this information and for the measurements. >> According >>> to >>>>> the measurements, the trailer is built correctly. I’ve attached a >>>>> photograph of a Rhodes 22 sitting on her Triad Trailer. The boats >>>> appear >>>>> to be loaded in the same spot. It looks like you have a motor >> hanging >>>> off >>>>> the back of the boat. Do you? If so, that motor needs to be loaded >> in >>>> the >>>>> boat as far forward as possible. Other than this, I’m not sure >> what’s >>>>> going on. I’m surprised they can’t move the boat a bit more forward >> on >>>> the >>>>> trailer. >>>>>> >>>>>> Best wishes, >>>>>> Mike Orro >>>>>> Triad Trailers LLC >>>>>> 5831 Triangle Drive >>>>>> Raleigh NC 27617 >>>>>> Phone: 919.782.6007 >>>>>> Fax: 919.782.6009 >>>>>> email: Mike at TriadTrailers.com >>>>>> Web: www.TriadTrailers.com<http://www.TriadTrailers.com< >>> http://www.TriadTrailers.com%3chttp:/www.TriadTrailers.com>> >>>>>> >>>>>> >>>>>> >>>>>> From: THOMAS POLISE <tvpolise at aol.com> >>>>>> Sent: Wednesday, April 28, 2021 12:13 PM >>>>>> To: Michael Orro <mike at triadtrailers.com> >>>>>> Subject: Polise trailer >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> -------------- next part -------------- >>>>> A non-text attachment was scrubbed... >>>>> Name: image001.jpg >>>>> Type: image/jpeg >>>>> Size: 118783 bytes >>>>> Desc: not available >>>>> URL: < >>>>> >>>> >>> >> http://rhodes22.org/pipermail/rhodes22-list/attachments/20210428/a67dd07a/attachment.jpg >>>>>> >>>>> -------------- next part -------------- >>>>> A non-text attachment was scrubbed... >>>>> Name: image002.jpg >>>>> Type: image/jpeg >>>>> Size: 146254 bytes >>>>> Desc: not available >>>>> URL: < >>>>> >>>> >>> >> http://rhodes22.org/pipermail/rhodes22-list/attachments/20210428/a67dd07a/attachment-0001.jpg >>>>>> >>>>> -------------- next part -------------- >>>>> A non-text attachment was scrubbed... >>>>> Name: image003.jpg >>>>> Type: image/jpeg >>>>> Size: 110770 bytes >>>>> Desc: not available >>>>> URL: < >>>>> >>>> >>> >> http://rhodes22.org/pipermail/rhodes22-list/attachments/20210428/a67dd07a/attachment-0002.jpg >>>>>> >>>>> -------------- next part -------------- >>>>> A non-text attachment was scrubbed... >>>>> Name: IMG_4205.jpg >>>>> Type: image/jpeg >>>>> Size: 472069 bytes >>>>> Desc: not available >>>>> URL: < >>>>> >>>> >>> >> http://rhodes22.org/pipermail/rhodes22-list/attachments/20210428/a67dd07a/attachment-0003.jpg >>>>>> >>>>> >>>> >>> -------------- next part -------------- >>> A non-text attachment was scrubbed... >>> Name: IMG_0733.jpg >>> Type: image/jpg >>> Size: 3797557 bytes >>> Desc: not available >>> URL: < >>> >> http://rhodes22.org/pipermail/rhodes22-list/attachments/20210518/1df4a5a3/attachment.jpg >>>> >>> >>> >>> >> >>
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