axle choice 13Ft Trillium - Page 3 - Fiberglass RV


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Old 12-22-2013, 11:49 AM   #29
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Originally Posted by Ian G. View Post
This is true Carol, but new brake shoes will take a while to break in, that is wear to the point where they make 100% contact with the brake drum.
In this situation they had been pulling the trailer with the new brakes on a number of trips before they asked for help with adjusting them. I believe at the end of the day it came down to the fact they had a larger trailer in the past and were expecting a very different feel than what they got with the smaller brakes. No amount of adjusting the brakes at the trailer wheel seemed to change that.
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Old 12-24-2013, 12:55 PM   #30
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When I purchased my first 4500, it had a 2000# axle, and 7" brakes. The trailer was loaded with camping gear, so it was probably close to 2000#. I had no idea how to set up my break controller. The trailer locked up at every stop sign.

I had a 3500# axle, with 10" brakes put on. I also learned to set up the break controller. When I hit the breaks now, they seem less likely to lock up, but they seem to provide more braking. Going down the hill into Osoyoos, BC, we locked up for the only time the whole trip. Not sure why, but going down hill, our P2 controller seems to brake harder.
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Old 12-24-2013, 02:28 PM   #31
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Just to be clear, David:

My posts re. brakes locking up were in response to Floyd's post below, indicating that the 7" brakes on his Scamp would not do so.

Quote:
Originally Posted by floyd View Post
10" brakes stop the trailer. 7" brakes slow the trailer and pretend to stop it.
7" brakes on a Scamp 13 give a nice comfy assist, but will not lock up when applied separately even at 10mph.
If I ever change my axle, it will get larger brakes.

I never had trouble adjusting my controller...braking has always been smooth and adequate to the situation. My only point was that at least in the case of my 4500, the 7" brakes themselves do everything they should do including locking up when called for.

In my case at least, it's hard to see just how/if 10" brakes would provide any better performance....unless combined with bigger tires, advantage there being provided by larger contact patch with the road.
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Old 12-24-2013, 05:30 PM   #32
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Franchsca,

I was agreeing with you. My point was that locking up my 4500, with 7" brakes was quite possible. Sorry if I was unclear.

It does seem to me though, that the 10" brakes provide slightly better control, before lockup.
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Old 12-28-2013, 07:16 PM   #33
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Originally Posted by Francesca Knowles View Post
Just to be clear, David:

My posts re. brakes locking up were in response to Floyd's post below, indicating that the 7" brakes on his Scamp would not do so.




I never had trouble adjusting my controller...braking has always been smooth and adequate to the situation. My only point was that at least in the case of my 4500, the 7" brakes themselves do everything they should do including locking up when called for.

In my case at least, it's hard to see just how/if 10" brakes would provide any better performance....unless combined with bigger tires, advantage there being provided by larger contact patch with the road.
Your 7" brakes will lock up at 10mph. Yours is the first report I have heard of them doing so.
In my original post, I wasn't referring to my trailer specifically, I was refering to ten years of experience and reports from other owners.
I must make the point that I was refering to braking on dry pavement and not Ice or gravel.
The 7" brakes on my Scamp have worked well without lockup, like yours they are adequate for the task at hand, but 10" brakes would brake a lot more effectively than 7s, especially at speed.
I have worked on several 16 Scamps where lockup at every stop was a problem with just an over sensitive controller setting. I have never seen the problem on a trailer with 7" brakes.
Maybe the Trillium's "Odie Complex" could actually account for the difference?
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Old 12-28-2013, 08:58 PM   #34
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Originally Posted by floyd View Post
....snip....
I have worked on several 16 Scamps where lockup at every stop was a problem with just an over sensitive controller setting. I have never seen the problem on a trailer with 7" brakes.
Maybe the Trillium's "Odie Complex" could actually account for the difference?

Fer cryin' out loud, Floyd- yer confusin' the heck out of me! I read your "won't lock up" post (below) as a negative- but now you seem to be saying just the opposite-?


Quote:
Originally Posted by floyd View Post
7" brakes on a Scamp 13 give a nice comfy assist, but will not lock up when applied separately even at 10mph.
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Old 01-03-2014, 04:11 PM   #35
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Originally Posted by Francesca Knowles View Post

Fer cryin' out loud, Floyd- yer confusin' the heck out of me! I read your "won't lock up" post (below) as a negative- but now you seem to be saying just the opposite-?
The 16s to which I refer are ones which were set so aggressively that they woud lock-up with only light pedal pressure at every stop. A simple brake controller adjustment is usually all that is needed.
"A nice comfy assist" is really all I need, but it would be nice to have a little impending lock-up at the bottom of the pedal.

Now that ABS is required by bureaucrats on TVs built after 2007, lock-up could actually be a liability on a trailer, but a good brake controller can handle that, and 10" brakes will provide more stopping power than 7s.

The lack of lock-up on 7" brakes mentioned in my first post was really more of an observation than a criticism.
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Old 01-03-2014, 04:50 PM   #36
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It might be worth checking on or getting feedback on ready availability of replacement brake/axle parts for the axle you are having installed. Don't know if it is an issue in this case but my 4 bolt 7 inch drums are uncommon enough I may end up traveling with a spare because I know they will not be an in-stock item.
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