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Re: Honda Power Unit

Posted: 09 Mar 2017, 08:07
by Dimi
Hi guys!
It seems like Honda has revealed the problem

Google Translated from :
http://f1sokuho.mopita.com/free/index.p ... 6719&tt=-1

On the 8th, on the second day of the 2nd Barcelona test, Honda launched a new spec. According to Hasegawa Yusuke, general manager, "It was originally designed to introduce this to Melbourne" and was scheduled to be used from the first day of the second test.
 However, due to the trouble that occurred on the second day of the first test (February 28), although the cause has not been identified yet, arrival was delayed because we had taken countermeasures. In other words, the electrical problem that occurred on the second test day (March 7) was old (exactly the same as the first test) spec.
"Electric trouble of Stelle (occurred on March 7th) caused insulation failure, and a symptom occurred suspected of a ground fault (electricity flowing in contact with the ground). The F1 machine of the F1 machine is equipped with a regeneration system and high voltage current flows, so both plus and minus are completely floating from the car.When it contacts the ground either way, it becomes a ground fault, but now F1 Even if the high voltage terminal is covered with insulation material such as rubber, it will become ground fault when it comes into contact with the ground.The trouble this time was also completely short-circuited There was only a warning because the insulation resistance fell below a certain level. "
"Because this kind of trouble happens even with a slight insulation failure, restoring is not so difficult, but since it is a hard work to find where insulation failure is occurring, replace each power unit "Hasegawa General Manager said. 
 Well, Honda's new spec was introduced on March 8, but Fernando Alonso took 46 laps this day, and it was no trouble about the power unit. According to the team officials, according to the team officials, 27 laps in the morning, although he did not reveal "Why can not I tell from my mouth" why the power unit did not have problems with laps? It was said that there was a problem of water leak on the side of the car where I ran.
 Of course, even as a Honda, I can not be relieved yet just by saying 46 laps trouble. But it is certain that he has advanced forward one step at a time.
"It is undecided whether to use this in Melbourne at this moment. If the cause (of the trouble of February 28) is clarified in the future, based on this (the new specs used on March 8), the opening race I will do whatever I can do to improve reliability up to the point. "

Re: Honda Power Unit

Posted: 09 Mar 2017, 08:46
by zac510
Stelle = Stoffel, not a special PU part :D

Re: Honda Power Unit

Posted: 09 Mar 2017, 12:07
by turbof1
Another day, another removal of whole bunch of off-topic discussion. Guys, is the moderating team talking to a wall? The power unit thread is not for filling up with complaints. That includes complaints from the drivers. Rather, the PU threads are for discussing the physical parts of the PU. When there are issues, that includes discussion which part is not working properly and discussing the possible solutions.

It does not include Donald Trump-esque dialogue "The Honda PU is a total disaster. Really truly. The best thing about it is that they made McLaren paid for a total piece of junk. I alone can make something fantastic out of it, something beautiful. Grab em by the plenium."

Re: Honda Power Unit

Posted: 09 Mar 2017, 12:10
by RS200E
So yesterday a water leak kept them in the garage for over 3 hours hmm.

Re: Honda Power Unit

Posted: 09 Mar 2017, 12:45
by godlameroso
That's how long it takes them to do an engine swap, takes me 5 1/2 hrs, and mine isn't nearly as complex.

Re: Honda Power Unit

Posted: 09 Mar 2017, 12:47
by BosF1
godlameroso wrote:That's how long it takes them to do an engine swap, takes me 5 1/2 hrs, and mine isn't nearly as complex.
Well, I doubt changing the PU at McLaren is done by only one person :lol:

Re: Honda Power Unit

Posted: 09 Mar 2017, 12:51
by godlameroso
Physically removing the engine is the easy part, it's all the harnesses, vacuum lines, ground wires, and old bolts that's the issue. I imagine f1 has 8x as many of everything.

And what they lack in old fasteners they make up for in hard to reach ones.

Re: Honda Power Unit

Posted: 09 Mar 2017, 12:57
by alexa
Here is the Japanese video about Honda-Sakura preparation for 2016 season,it gives really good insight what is happening in HRD Honda.What really surprises me is that they have a lot of young engineers working on this project.

https://www.youtube.com/watch?v=XEB3qinm-Ek

Re: Honda Power Unit

Posted: 09 Mar 2017, 13:12
by 3jawchuck
alexa wrote:Here is the Japanese video about Honda-Sakura preparation for 2016 season,it gives really good insight what is happening in HRD Honda.What really surprises me is that they have a lot of young engineers working on this project.
https://www.youtube.com/watch?v=XEB3qinm-Ek
That's how Honda operate, racing is used as training for their engineers.

Re: Honda Power Unit

Posted: 09 Mar 2017, 13:21
by RS200E
godlameroso wrote:That's how long it takes them to do an engine swap, takes me 5 1/2 hrs, and mine isn't nearly as complex.
"Water leak on the side of the car".

I didn't know a water leak requires an engine change.

Re: Honda Power Unit

Posted: 09 Mar 2017, 13:46
by Macklaren
RS200E wrote:So yesterday a water leak kept them in the garage for over 3 hours hmm.
No. There is a good explanation of what happened in yesterday's race report

Re: Honda Power Unit

Posted: 09 Mar 2017, 14:04
by ripper
Albert Fabrega on Twitter:

"La primera gran evolución del motor Honda estaría prevista para el GP d España. Para Australia hay evo para ganar fiabilidad."

Honda's PU first big evolution is scheduled for Spanish GP. For Australian GP there's an evolution to gain reliability

Re: Honda Power Unit

Posted: 09 Mar 2017, 14:09
by Joseki
https://twitter.com/AlexPzPrez_/status/ ... 8868879360

Here's the sound from the engine at the first stop.

Re: Honda Power Unit

Posted: 09 Mar 2017, 14:09
by GoranF1
godlameroso wrote:That's how long it takes them to do an engine swap, takes me 5 1/2 hrs, and mine isn't nearly as complex.
so far it took Mclaren 4 hours, almost every time they change it.

Re: Honda Power Unit

Posted: 09 Mar 2017, 14:11
by BosF1
Joseki wrote:https://twitter.com/AlexPzPrez_/status/ ... 8868879360

Here's the sound from the engine at the first stop.
That's a dying engine right there. Doesn't mean it can't be fixed though.