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#Post#: 10126--------------------------------------------------
1926 Hudson GP Build
By: jay pratt Date: January 13, 2024, 11:12 am
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Thought I'd start a topic on my build so I can pester everyone
with my problems.
I've chosen the Hudson GP as it looked pretty cool, its also my
first time doing metalwork of any nature and the body doesn't
look too difficult for a newbie, lol.
I've been around here for over a year I think and following on
Facebook absorbing as much as I can from everyone's builds and
advice given.
I've started collecting parts to get my build underway,
currently I have a full front axle from gemini, dirt bike
wheels, 25mm rear axle with gemini adapters and hubs. Along with
a Hyundai electric start engine which I've just fitted a TAV
too. So progress has been made.
I have noticed my front track width comes in slightly over at
about 1050.. (to outside of tyres). This seems to be a known
problem after asking on Facebook this morning, unsure of what to
do about that yet. My rear track comes in at almost exactly
1000mm so unsure if it will look noticeably odd having the front
track slightly wider than the rear (opinions please)
Well, I look forward to documenting the rest of my build here
and hopefully it won't be long until I'm alongside you on track!
[attachimg=1]
#Post#: 10127--------------------------------------------------
Re: 1926 Hudson GP Build
By: NewbieNick Date: January 13, 2024, 11:44 am
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Hi Jay, glad you’re got started, you have seen my kart at
Westonzoyland my front end is exactly as you’ve described I
think everyone using Gemini kit is in the same boat.
Good luck with the rest of your build
Cheers Nick
#Post#: 10132--------------------------------------------------
Re: 1926 Hudson GP Build
By: ian.lang Date: January 14, 2024, 3:41 pm
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Hi Jay - Nice looking car. Yep all of us using the Gemini front
axle are slightly over size, you may have already worked it out
but the axle needs installing with the caster facing forward.
As regards the look you wont see it on the CK, you have seen my
CK and also Nicks and we are both using that set up.
I look forward to following your progress……..
I also came across this on YouTube - if the link works. Slightly
later model.
HTML https://youtu.be/5Ex4zRr6Rts?si=36DJpKswSOZMKZYi
#Post#: 10133--------------------------------------------------
Re: 1926 Hudson GP Build
By: jay pratt Date: January 14, 2024, 4:50 pm
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Thanks for your replies guys, makes me feel better knowing I
haven't got something wrong somewhere lol. My oilite rear bushes
came yesterday, so pressed them into my rear wheels, they are
flanged so I didn't need crush tubes(i hope), my intention is to
run it either wheel drive or both locked by inserting a key into
the gemini hub to lock whichever I want. The oilite bush seems
to work fairly well for giving slip but also not a loose
freewheel, which I understand will help stop it pulling to one
side under acceleration and braking.
I'm now back to sitting on my hands patiently waiting for Mark
to contact me when his next bunch of springs come back. Then
I'll have most of the main components so I can get to more
accurately planning, I have made a rough mock up on fusion 360,
which I may or may not fit into lol. Just hard to imagine
without something physical.
#Post#: 10136--------------------------------------------------
Re: 1926 Hudson GP Build
By: NewbieNick Date: January 15, 2024, 12:57 am
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Hi Jay I’m sure you’ve got this covered but don’t forget to
remove oil sensor & governor.
Front axle round the right way is kind of important,trust me on
this
Cheers Nick
#Post#: 10137--------------------------------------------------
Re: 1926 Hudson GP Build
By: NewbieNick Date: January 15, 2024, 1:04 am
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Hi Jay, me again I found the more you tighten up wheel adapter
bolts the worse the freewheel got, Torque them to the minimum
that is safe & lubricate the axle it will free off in use. Hope
this makes sense.
Cheers Nick
#Post#: 10138--------------------------------------------------
Re: 1926 Hudson GP Build
By: jay pratt Date: January 15, 2024, 2:11 am
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Hi nick, I haven't messed with the engine yet, maybe I'll do it
today before work, I fitted the rear wheels onto the axle then
bolted the hubs to the wheels so it was more centered, I made
the kids a mini cyclekart a couple if years ago and found that
tighter is better but still wants to be able to spin for the
differential effect. So I don't think I will need to lubricate
it, but time will tell.
As for front axle the right way, yes I read though your build
and your issues, there was mention of a mark on the front of the
axle but I don't appear to have one, but I do know which way the
castor should be so I think I'll figure it out. Lol.
Thanks for all the advice, doesn't matter if I already knew it
or not it serves as reminder for me and anyone else that might
be reading up to build. I know almost everything I've learned
has been from reading through these builds
#Post#: 10140--------------------------------------------------
Re: 1926 Hudson GP Build
By: StefanN Date: January 15, 2024, 3:11 am
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Nice inspiration car and that colour will look great!
A couple of tips in case they are useful:
Most pitbike wheels with SDG hubs have a ridge on the face with
the threaded holes. Grind that flat or put washers between the
hub and adapter plate so you don’t bend/snap the lugs with the
threaded holes.
Ever so slightly ease the edge of the keyway on your rear axle
where the wheel and hub are otherwise it’ll shave your bushes
😳 and hub.
#Post#: 10141--------------------------------------------------
Re: 1926 Hudson GP Build
By: jay pratt Date: January 15, 2024, 3:33 am
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Hi Stefan, I've I've used the spacer plates from gemini along
with adapter plates so I think that solves what you mention.
I did wonder about the keyway rubbing on the ends of the Bush, I
partly assumed that if i made sure there was a clearance and
snugged the grub screws on the keyway it wouldn't move? I'll be
sure to do what you said anyway, better to be pro active than
reactive lol.
#Post#: 10144--------------------------------------------------
Re: 1926 Hudson GP Build
By: ian.lang Date: January 15, 2024, 7:53 am
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Hi Jay, I also found some shaft clamps useful the split ones are
the best but grub screw one are ok as well. This takes out the
lateral movement against the axle bearings. The grub screws in
the bearing I have are tiny! Ian L
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