Hirobo Zerda: from wreck to runner

The place for all things Hirobo.

Moderators: scr8p, klavy69

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

Waiting on some o rings and will see if the old shocks hold oil. If I have any success I,ll post pics. I,m wondering if there's a seal in the end cap but if there is its held in with a crimp. Probably be the same lost cause as my late Honda vt's worn shock shafts which just buggered any replacement seals. If it costs more than the couple of quid for rings it won't be worth it.
PS. I've got those 92t belts if you want any

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

Post a pic of your old shocks I'd like to see if they're the same as mine

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

Shock Horror! piston broke as they say.
old shocks : I think the end cap has a rubber seal under the crimped in washer, impossible to get out/replace methinks.
Image
spares for a tamiya 't' which seem to be the currently fitted shocks, far too long and fat but servicable
Image
Mark II top deck. a couple of bends over the edge of a table to accommodate the steering servo. I'm beginning to like soft ally (nice girl).
Image

User avatar
Lonestar
Approved Member
Posts: 4270
Joined: Wed Dec 12, 2007 5:17 am
Location: Switzerland, yannow, in Europe (or almost)
Has thanked: 620 times
Been thanked: 165 times

Re: Hirobo Zerda: from wreck to runner

Post by Lonestar »

watchout about tamiya yellow cva... the fit is so horrible that the stress on the a-arms will be intense. Not good for 30 y.o. hard to find plastics...
AE RC10 - Made In The Eighties, Loved By The Ladies.
Blue Was Better - now, Blue Is Bankrupt.
Facebook affiliate program manager: "They go out and find the morons for me".
Life is short. Waste it wisely.

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

Mmmm, not happy with them but don't want to replace with more wronguns. 3x3 orings arrived and might do the job on the old shocks. But seems piston displaces oil on compression and doesn't fully travel into cylinder. A bit of fine tuning with the oil level I guess. Now I know what bladders are for on newer ones....absorb displacement

Dadio
Approved Member
Posts: 3791
Joined: Sun Apr 24, 2016 2:21 pm
Location: Guildford UK
Has thanked: 2145 times
Been thanked: 1915 times

Re: Hirobo Zerda: from wreck to runner

Post by Dadio »

Old school shocks without bladders did always contain a little air and are known as emulsion shocks , the theory is that you work the oil/air into a foamy mix before a race and the damping was designed to work with this foam not neat oil , the air bubbles compress as the piston moves up the shock allowing for the added volume of the shaft in the same way the bladder compreses in a modern shock , properly set up there are many that would argue that emulsion shocks can work just as well as bladder shocks .
The O ring is behind the crimped washer in the cap , you may be able to replace them with careful Dremel work and then re crimping with a small chisel afterward .
If a jobs not worth doing then its certainly not worth doing well.
A problem shared is a problem halved but an advantage shared is no advantage at all.

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

Good info, ta vm. Even if i got the old seals out not sure I,d find replacements or I'd mess up the end cap thread. however the 3idx3mm cs rings fit so tight in the cylinder that I might even be able to rub them down slightly. The oil and uncompressed piston adds to keeping them in place. I lose 3mm on the stroke but could adjust that with the screw on ball joint. Guess it's getting me off the complete newbie blocks.

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

I saw your thread re machining parts. I have some tools from a retired engineers toolbox. Look like they might be from lathe or cutting tool bits. Any point me posting pics in case of use to you

Dadio
Approved Member
Posts: 3791
Joined: Sun Apr 24, 2016 2:21 pm
Location: Guildford UK
Has thanked: 2145 times
Been thanked: 1915 times

Re: Hirobo Zerda: from wreck to runner

Post by Dadio »

Yes please do , just back from holiday so wallet is thin this month but if your in no great hurry the there may well be something of interest or maybe I can identify them if you want to put them on eBay .
If a jobs not worth doing then its certainly not worth doing well.
A problem shared is a problem halved but an advantage shared is no advantage at all.

Stibing
Approved Member
Posts: 33
Joined: Mon Nov 24, 2014 1:42 am
Location: Sweden
Been thanked: 1 time

Re: Hirobo Zerda: from wreck to runner

Post by Stibing »

Hello,

Nice ride you have there! I have 3 new cages in different colors, red and black I have seen before, but not yellow?



Peter
Attachments
IMG_2553.JPG
IMG_2552.JPG
IMG_2551.JPG

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

Are the roll cages on the market? Just an enquiry.
..

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

Dadio wrote: Sat Apr 07, 2018 11:57 am Yes please do , just back from holiday so wallet is thin this month but if your in no great hurry the there may well be something of interest or maybe I can identify them if you want to put them on eBay .
I,ll get a pic up. All pretty naff I think but if any use they'd be for cost of posting

Dadio
Approved Member
Posts: 3791
Joined: Sun Apr 24, 2016 2:21 pm
Location: Guildford UK
Has thanked: 2145 times
Been thanked: 1915 times

Re: Hirobo Zerda: from wreck to runner

Post by Dadio »

Cheers :D
If a jobs not worth doing then its certainly not worth doing well.
A problem shared is a problem halved but an advantage shared is no advantage at all.

threesheds
Approved Member
Posts: 397
Joined: Sun Jan 21, 2018 10:05 am
Location: Beckenham, Kent, uk
Has thanked: 60 times
Been thanked: 83 times

Re: Hirobo Zerda: from wreck to runner

Post by threesheds »

threesheds wrote: Wed Apr 11, 2018 2:00 pm
Dadio wrote: Sat Apr 07, 2018 11:57 am Yes please do , just back from holiday so wallet is thin this month but if your in no great hurry the there may well be something of interest or maybe I can identify them if you want to put them on eBay .
Image
as you can see, pretty poor condition, centre drills etc. Retired engineer's obviously left in a shed for a long time. I bought the toolbox to use as a collectors case. Seems some of the bits he ground down to make his own tools. I'm thinking theyre too naff, worn, large for your purposes but......

Dadio
Approved Member
Posts: 3791
Joined: Sun Apr 24, 2016 2:21 pm
Location: Guildford UK
Has thanked: 2145 times
Been thanked: 1915 times

Re: Hirobo Zerda: from wreck to runner

Post by Dadio »

Thanks for showing them to me but I think your right , there's not much I could use or be of any resale value , it's very similar to a hored of mine that contains broken drills ,broken end mills etc just stuff that you keep in case you need an axle shaft in hardened steel or a custom one off tool of some kind .
If a jobs not worth doing then its certainly not worth doing well.
A problem shared is a problem halved but an advantage shared is no advantage at all.

Post Reply

Create an account or sign in to join the discussion

You need to be a member in order to post a reply

Create an account

Not a member? register to join our community
Members can start their own topics & subscribe to topics
It’s free and only takes a minute

Register

Sign in

  • Similar Topics
    Replies
    Views
    Last post
  • Hirobo Zerda 85`s
    by magic » » in Hirobo Forum
    12 Replies
    2079 Views
    Last post by chevron
  • My ZERDA HIROBO
    by prp » » in Hirobo Forum
    14 Replies
    2601 Views
    Last post by prp
  • My Hirobo Zerda
    by stulec52 » » in Hirobo Forum
    10 Replies
    2027 Views
    Last post by mytimac
  • HIROBO zerda HELP
    by DemZ » » in Hirobo Forum
    3 Replies
    1432 Views
    Last post by DemZ
  • Hirobo Zerda
    by Bormac » » in Hirobo Forum
    11 Replies
    1481 Views
    Last post by Bormac
  • Hirobo ZERDA
    by Bormac » » in Hirobo Forum
    25 Replies
    4205 Views
    Last post by Mr. ED
  • Hirobo Zerda refurb
    by Dadio » » in Hirobo Forum
    74 Replies
    9850 Views
    Last post by RC10superfan
  • Hirobo 44Bs and Zerda :)
    by silvertriple » » in Hirobo Forum
    167 Replies
    5719 Views
    Last post by silvertriple

Return to “Hirobo Forum”

Who is online

Users browsing this forum: No registered users and 0 guests