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Search: Posts Made By: albertjizhang
Forum: Electric Propulsion (EP) 05-08-2022, 14:06
Replies: 63
Views: 12,445
Posted By albertjizhang
Re: swaping Volvo Penta for electric drive

Hey,

lovely post and really helpful. I am planning something quite similar and I got a dufour 35 that weighs 12000 lbs as well.
I manage to get a brushless 30kw 48v electic motor with controler...
Forum: Engines and Propulsion Systems 05-08-2022, 14:00
Replies: 2
Views: 149
Posted By albertjizhang
electrical motor experiment?

Hey guys.

here is the deal. We online, looking for an electric motor, and turns out you can have a custom-made 48v 30kw electric motor for about $2000 in China(including the controller). However...
Forum: Monohull Sailboats 19-07-2022, 05:22
Replies: 40
Views: 2,848
Posted By albertjizhang
Re: Stress crack on skeg( pic included)

Updates.
The inside of the Skeg is all black, I think itís just from the sea water trapped in it discoloring the glass, I grounded a very thin layer down and the color went back to normal( as in pic...
Forum: Monohull Sailboats 18-07-2022, 13:53
Replies: 40
Views: 2,848
Posted By albertjizhang
Re: Stress crack on skeg( pic included)

No itís not oil, I drained all the moisture out, itís sea water trapped in it. The black thing seems to be discolored glass, I grounded a very thin layer from the inside and saw that the black layer...
Forum: Monohull Sailboats 17-07-2022, 12:26
Replies: 40
Views: 2,848
Posted By albertjizhang
Re: Stress crack on skeg( pic included)

Here is some update.
There was water in the Skeg. I grounded the lower part and water streamed out.
I was wondering, the entire inside looks kind of black to me, are they all rotten? Is there a way...
Forum: Monohull Sailboats 17-07-2022, 02:42
Replies: 40
Views: 2,848
Posted By albertjizhang
Re: Stress crack on skeg( pic included)

-yeah it is on the Dufour 35
- not really, itís in the meds, maybe a couple days in a year that gets below zero
-thanks for the heads up
Forum: Monohull Sailboats 16-07-2022, 13:16
Replies: 40
Views: 2,848
Posted By albertjizhang
Re: Stress crack on skeg( pic included)

My grinding skill is nonexistent, please ignore that. I promise I’ll work on it
Forum: Monohull Sailboats 16-07-2022, 13:14
Replies: 40
Views: 2,848
Posted By albertjizhang
Stress crack on skeg( pic included)

Hey guys

I grinded a small spot of rot on the Skeg and found these. The crack stretches around 20cm, And I think the core is rotten, at least it looks hollow to me. And since the crack is in such...
Forum: Monohull Sailboats 13-07-2022, 21:08
Replies: 8
Views: 688
Posted By albertjizhang
Water in bilge and maybe keel

Hey guys.

So I bought a Dufour 35, and I found there is oil and water in the bilge. I tried to pump most of it out, but due to having oil in the bilge I canít really see the bottom of the bilge....
Forum: Monohull Sailboats 17-06-2022, 10:00
Replies: 75
Views: 5,994
Posted By albertjizhang
Re: Need help with a bad purchase

Thank you guys for the suggestions, I really appreciate it. I have paid for the survey. The surveyor whose actual job is a mechanic said he can do a engine check and maybe fix it, I kindly refused,...
Forum: Monohull Sailboats 16-06-2022, 03:14
Replies: 75
Views: 5,994
Posted By albertjizhang
Re: Need help with a bad purchase

The communication between us is very limited, and it usually having the broker in between that translates everything.
Is this what a pre purchase survey is suppose to look like? I thought the...
Forum: Monohull Sailboats 16-06-2022, 01:43
Replies: 75
Views: 5,994
Posted By albertjizhang
Re: Need help with a bad purchase

No contract signed for the survey, nothing. Only one phone call when he told me in broken English that the price for survey is 500 euro
Forum: Monohull Sailboats 16-06-2022, 01:32
Replies: 75
Views: 5,994
Posted By albertjizhang
Need help with a bad purchase

Hey guys.

I am a newbie and way over my head. Please donít judge me, I know I was stupid for the mistakes I have made.

Basically I found a boat in Italy, I went to check the boat out in...
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