Reply
 
Thread Tools Search this Thread
 
Old 28 December 2015, 04:10   #1
Member
 
pilotwillie's Avatar
 
Country: UK - Scotland
Town: Glasgow
Boat name: Cesa
Make: Osprey Viper
Length: 5m +
Engine: Mariner 100hp 2s
Join Date: Sep 2013
Posts: 133
RIBase
New replacement axle - what's best PCD ?

Merry Christmas all,

Should I go for same 4x5.5" PCD or is the 4x100mm a more common (modern) set up and rims more easily available ?

Thinking about getting new replacement axle for my Ind. roller coaster. Current single axle is rated 900kg (braked) with 4x5.5" PCD and 175/70x13 wheels.

Current wheels (rims and tyres) will get renewed as in fairly poor condition so no restrictions if new axle is different PCD.

Thanks for any opinions.
__________________

__________________
pilotwillie is offline   Reply With Quote
Old 28 December 2015, 05:49   #2
Member
 
Country: Other
Town: Stanley, Falkland Is
Boat name: Seawolf
Make: Osprey Vipermax 5.8
Length: 5m +
Engine: Etec 150
Join Date: Mar 2006
Posts: 3,688
Probably depends what you want to do with it. For example I had my new trailer built with 5x165 M16 studs so I could put Land Rover 16" wheels on it and flotation tyres (it currently runs 255/70R16 AT's, but I can put bigger ones on).

Not sure which is most readily available out of the two you selected though. Why don't you just get an axle supplied with wheels and tyres? I would imagine that choosing a readily available tyre size is probably more important than the PCD.
__________________

__________________
A Boat is a hole in the water, surrounded by fibreglass, into which you throw money...

Sent from my Computer, using a keyboard and mouse
BogMonster is offline   Reply With Quote
Old 28 December 2015, 07:29   #3
Member
 
pilotwillie's Avatar
 
Country: UK - Scotland
Town: Glasgow
Boat name: Cesa
Make: Osprey Viper
Length: 5m +
Engine: Mariner 100hp 2s
Join Date: Sep 2013
Posts: 133
RIBase
Thanks.
Main towing would be on 60mph roads, launching almost definitely always from concrete slips both tidal and non-tidal.
Yes, I'll probably get the axle manufacturer to supply the new wheels at the same time, unless there extortionate, but was just thinking ahead to the time of having to replace a damaged wheel. Which, if it happens (here's hoping it doesn't), will hopefully be before having to renew the axle again.
From my simple web searching it would seem that both PCD's on rims are readily available just now. Just wondered if metric was slowly replacing imperial (in the UK !) so just trying to future proof before spending 100's.
__________________
pilotwillie is offline   Reply With Quote
Old 28 December 2015, 12:17   #4
Member
 
Country: UK - Scotland
Town: Denny
Boat name: Hebridean Storm
Make: Coastline
Length: 6m +
Engine: Honda 130hp
MMSI: 235107505
Join Date: Mar 2013
Posts: 841
Try "Peak Dynamics" They make the axles for a few of the major trailer manufacturers.
__________________
Last Tango is offline   Reply With Quote
Old 28 December 2015, 13:37   #5
Member
 
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
I'd go with a 4 x 4.5 or a 5 x 4.5 pattern as this is what most hubs are nowadays. Which of course means most wheels are as well. (At least on the left side of the pond. My trailer is overbuilt, and uses 6 x 5.5")

If you're not looking at a all-in-one supplier (tires, hubs, bearings, and axle), start by choosing what PCD you want to use, and select an axle with spindles to match the hubs and bearings you need. Or look for an axle with replaceable spindles.

jky
__________________
jyasaki is offline   Reply With Quote
Old 28 December 2015, 18:04   #6
Member
 
pilotwillie's Avatar
 
Country: UK - Scotland
Town: Glasgow
Boat name: Cesa
Make: Osprey Viper
Length: 5m +
Engine: Mariner 100hp 2s
Join Date: Sep 2013
Posts: 133
RIBase
Quote:
Originally Posted by Last Tango View Post
Try "Peak Dynamics" They make the axles for a few of the major trailer manufacturers.

Thanks, hadn't heard of them. I think I'd read somewhere, probably here, that Meredith and Eyre were another axle manufacturer for some of the 'big' trailer companies. Will probably get in touch with them both for some advice / cost once everyone's back from the festive holidays.
__________________
pilotwillie is offline   Reply With Quote
Old 28 December 2015, 18:10   #7
Member
 
pilotwillie's Avatar
 
Country: UK - Scotland
Town: Glasgow
Boat name: Cesa
Make: Osprey Viper
Length: 5m +
Engine: Mariner 100hp 2s
Join Date: Sep 2013
Posts: 133
RIBase
Quote:
Originally Posted by jyasaki View Post
I'd go with a 4 x 4.5 or a 5 x 4.5 pattern as this is what most hubs are nowadays. Which of course means most wheels are as well. (At least on the left side of the pond. My trailer is overbuilt, and uses 6 x 5.5")

If you're not looking at a all-in-one supplier (tires, hubs, bearings, and axle), start by choosing what PCD you want to use, and select an axle with spindles to match the hubs and bearings you need. Or look for an axle with replaceable spindles.

jky

Cheers for reply.

'Or look for an axle with replaceable spindles.'
Yeah, guess it'll all come down to cost.
__________________
pilotwillie is offline   Reply With Quote
Old 29 December 2015, 04:16   #8
Member
 
Trailer Guy's Avatar
 
Country: UK - England
Town: Hampshire
Boat name: Altea 2
Make: Narwhal
Length: 5m +
Engine: 90 Mariner
Join Date: Aug 2011
Posts: 855
You may find that your weight requirement may be a consideration for you.

4 x 5.5" PCD and therefore wheels etc, will be rated to a higher capacity than a 4 x 100mm PCD.

Also, 4 x 5.5" is more common than 4 x 100mm and certainly imperial PCD measurements, on UK trailers, are not becoming obsolete. They certainly haven't changed in the 20yrs I've been in the industry.

All the best.
Trailer Guy is offline   Reply With Quote
Old 29 December 2015, 05:08   #9
Member
 
pilotwillie's Avatar
 
Country: UK - Scotland
Town: Glasgow
Boat name: Cesa
Make: Osprey Viper
Length: 5m +
Engine: Mariner 100hp 2s
Join Date: Sep 2013
Posts: 133
RIBase
Ok, great, appreciate the advice about weight. Current axle is rated 900kg but I've always thought that I must be pretty close to the trailer's net capacity.

I was going to go for a 1300kg replacement axle which hopefully will give me closer to 1000kg capacity, which will be plenty with my current rig and still allow for a newer heavier outboard, etc. So 4x5.5" hubs would seem the best bet.

I'm presuming it's ok to slightly uprate the axle, although I doubt I'll ever get anywhere near limits with my current rig ? And that the trailer frame will still be suitably strong to support it (which it does just fine at the moment) ? Even I did change change the outboard it'd only add an extra 40kg ish onto the overall weight.

Thanks again.
__________________
pilotwillie is offline   Reply With Quote
Old 29 December 2015, 07:26   #10
Member
 
Trailer Guy's Avatar
 
Country: UK - England
Town: Hampshire
Boat name: Altea 2
Make: Narwhal
Length: 5m +
Engine: 90 Mariner
Join Date: Aug 2011
Posts: 855
Yes, it'll be fine and is quite a common practice.

If you go for an aftermarket / different manufacturers axle, bear in mind that it will likely have a different mounting configuration.

Your original axle has long arms, which attach to the chassis with six u-bolts. A non OE will likely have two M12 bolts, per side, to hold it on. Therefore you'll have to drill your chassis. Also, you'll have to ensure you get the measurements spot on. Even 15mm out and you'll find you're nearly drilling through the side of a chassis rail.

Not trying to worry you, just ensuring you take your time and consider your options. I've done it dozens and dozens of times, so it's all feasible. You just have to be accurate.

An alternative to OE (because I know Indespension are expensive for their parts) would be Extreme Marine. They manufacture in the UK and based their trailers on the original Indespension Roller Coaster chassis, ergo the dimensions are the same. They use Alko axles (the best in my opinion), have them on the shelf and are usually considerably cheaper than Indespension. Take a few measurements and flick them an email. Also their axle will also have the same longitudinal arms, so you can u-bolt back on, rather than drilling.

All the best.
__________________

Trailer Guy is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off





Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 02:36.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.