robhybrid Posted October 28, 2006 Share Posted October 28, 2006 How many people have fitted these? I know Straight forward supplies sell a kit. link to straight forwad supplies hudro assist I was planning on fitting something similar to reduce the strain on my power steering box. My box has gone to leak badly and Adrian had a shaft failure and a mate of mine has twisted his Shaft. I know bathtub has got one fitted and I have seen how Brun has fitted his. What bore diamiter do people sudgest? I dont want to go too big as I dont want to go into the relm of wreking ball joints. I had looked at 40mm bore 250mm travel double acting and the cheapest I have found is £65 plus vat/carrige Should I be looking at smaller bore size? Quote Link to comment Share on other sites More sharing options...
pugwash Posted October 28, 2006 Share Posted October 28, 2006 Rob have a look in the pirate tech section- they have a really really good write up on hydro steer- although it doesn't address hyro assist per se, it makes pretty good reading anyway. anyone haev any good links for hydro assist calcs to work out bore diamater and stuff? Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted October 29, 2006 Share Posted October 29, 2006 Where's Jez when you need him? Oh yeah, at the lab waiting for me to turn up Quote Link to comment Share on other sites More sharing options...
bathtub Posted October 29, 2006 Share Posted October 29, 2006 I know bathtub has got one fitted and I have seen how Brun has fitted his. What bore diamiter do people sudgest? 5/8" ram with 8" travel is what Rock ram use & then just weld a stop at the desired travel. I can turn the 42s with 1 hand whilst using the winch control with the other & so far the PS box has lasted the last 2 events . In MTS we did 3 boxes in 2 days Quote Link to comment Share on other sites More sharing options...
pugwash Posted October 29, 2006 Share Posted October 29, 2006 which box are you using pete? did you tap it or did you get someone else to? Quote Link to comment Share on other sites More sharing options...
nas90 Posted October 29, 2006 Share Posted October 29, 2006 How many people have fitted these?I know Straight forward supplies sell a kit. link to straight forwad supplies hudro assist I was planning on fitting something similar to reduce the strain on my power steering box. My box has gone to leak badly and Adrian had a shaft failure and a mate of mine has twisted his Shaft. I know bathtub has got one fitted and I have seen how Brun has fitted his. What bore diamiter do people sudgest? I dont want to go too big as I dont want to go into the relm of wreking ball joints. I had looked at 40mm bore 250mm travel double acting and the cheapest I have found is £65 plus vat/carrige Should I be looking at smaller bore size? Apart from the hydro assist, they also have a good selection of portal axles and disk conversion parts! Quote Link to comment Share on other sites More sharing options...
dollythelw Posted October 30, 2006 Share Posted October 30, 2006 Apart from the hydro assist, they also have a good selection of portal axles and disk conversion parts! Quote Link to comment Share on other sites More sharing options...
MogLite Posted October 30, 2006 Share Posted October 30, 2006 5/8" ram with 8" travel is what Rock ram use & then just weld a stop at the desired travel. I think you've lost an inch there I'd expect 1 5/8" ram, as the Yanks reckon anywhere between 1.5 and 2" Quote Link to comment Share on other sites More sharing options...
will_warne Posted October 30, 2006 Share Posted October 30, 2006 Yes, I think that's a fair responce. Rob, have you seen their 'project 90'??? Quote Link to comment Share on other sites More sharing options...
bathtub Posted October 30, 2006 Share Posted October 30, 2006 I think you've lost an inch there I'd expect 1 5/8" ram, as the Yanks reckon anywhere between 1.5 and 2" Im talking about the shaft size not the actual body !!!!! If not it works fine on mine anyway We art using a standard 4 bolt box {i know but that will have to do at the moment} & yes we tapped it. B) Quote Link to comment Share on other sites More sharing options...
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