Slo mo Shun

[Paul TParticipant @pault84577]

Bob my old chum

 

Are you intending to cool the motors or cut the grass along the bank…….when you sail her make sure to take some ice and a small container to put your fingers in (it will make it easier for the paramedics)

 

If you really want to put a fan on the shaft then why not use one of the many soft plastic versions.

 

 

Paul

Edited By The Fat Controller on 08/02/2010 05:34:21

[Bob Abell 2Participant @bobabell2]

Paul, my young chum

 

My fans are made from Ali, but if I can find a couple of plastic ones…….I`ll swap them!

 

Lawnmower blades are made from plastic!…….Mind you, they are worse than useless!

 

But with a sheet of clear plastic over, what ever, there`s not much danger!

 

 

 

Bob

[Bob Abell 2Participant @bobabell2]

Graham from Etherow……..Now that you`ve found the site……..Will you join in the chit chat please?

 

Your expert advice will be appreciated!

 

Don`t be shy!…………….Bob

[Bob Abell 2Participant @bobabell2]

Just been running the motors on 7.2 volts to check for alignment etc and noticed some annoying mechanical noise in the main bearing area…….with and without the paddles

 

The bearings were a bit too loose on the shafts in my opinion and am now beginning to suspect the rubber couplings!……….Each half of the coupling is held apart by a cast in rubber blob and can`t really be concentric?

 

Just thinking out aloud…………Bob

[Bob Abell 2Participant @bobabell2]

On further investigation…….the shafts are out of line, and was enough to flex the extra long slender propshaft and cause it to touch the tube walls!

 

Needs to be very accurate, especially with 24v @ 9000 rpm!

 

Next job…..Make a precise setting up solid coupling for spot-on alignment

 

Don`t like the look of this!………….Bob

[Bob Abell 2Participant @bobabell2]

Since nobody out these is really interested in my miserable efforts……..I`ll just carry on talking to myself!

 

T`was with tears in my eyes as I cast my beloved “Great Idea Fans into the dustbin along with the miseable 6BA screws……and pessimistically set to work making a setup arbour.

Finally it was done…..No rush….another cup `o tea or two……Zzzzzzzzz!

 

Lined up the motor and shaft…….and to my utter delight……t was miles out!…….Gradually, a smile returned to my gaunt stressed features as I put away my sodden hankie….snif snif…….And added another 1/8th fore an` aft to bring it into line!

 

Re-assembled it all back together……..Switched on…….Purrrrrrr……..Zooooom………Roarrrrrrrrrrr…………Perfick!…….Smiles all round!………Even kissed the wife!

 

Laughing hysterically and with insane rolling eyes…….I fished out my beloved fans and screws eventually and lovingly reassembled them back to their former glory

 

Swtched on……..Purrrrr…..Swishhhhhh……..Hisssssss!…..windddddd…….dust everywhere………Hysterical laughter……..Then a knock on the door…….men in white coats……….Come this way Mr Abell………

 

Sorry, I got carried away……..Ahem!……

 

Just a bit of sarcastic fun to brighten up the thread!

 

The Punch line is…..We`re back on track!

 

In the words of Fred Dibnah……..”Did yer like that?”

 

I did!………Bob

[Bob Abell 2Participant @bobabell2]

Running in the motor brushes and propshaft bearings

[Phil Winks 1Participant @philwinks1]

Hi Bob I see you’ve been busy today if not a little lonely (bless) We were in Plymouth all day with my stepdaughter and her fella (her the homewood has been named after) Time was allowed for a brief foray around the marina and then on to the Hoe for a quick lunch in one of the seafront/cliff side cafe’s just enough time to grab a few pics (and a degree of frostbite) so if you want to drool over the extreme amount of money moored there these days have a look at this album (pass word as ever    philsphotos    ) glad to hear you’ve sorted the alignment issues.

[Bob Abell 2Participant @bobabell2]

Hello Phil

 

I`ve looked at your pictures……………All these posh marinas……..full of boats…….going nowhere most of the time!

 

What`s the warship?

 

Not really out of the woods yet with the motor problem………Still got the mighty 24volts to wrestle with!………………Think the prop tube needs more support inside.

 

Forum readership is woefully poor these days for some reason…….plenty of watchers but not many talkers?

 

Bob

[Paul TParticipant @pault84577]

Bob

 

You are right about the level of involvement but take care because if you make to many comments someone will complain that you are using the site as your own personal property.

 

Paul

[Bob Abell 2Participant @bobabell2]

Thank you, Paul for your timely advice!

 

I suffer from verbal diarrhoea at times and just welcome the chat which I look forward to every minute of the day.

 

But  I`ll take your advice and pipe down!

 

Bob

[michael kemishParticipant @michaelkemish72883]

Hi Bob.

 Just get the boat on the water, and see if it floats.

 Then see if it goes frontwards!

 Then see if it needs cooling!

 Slo Mo Shun is big and seems to have enough grunt enough to carry a small  semi-sealed refigeration unit !

Mick

 

 

[Paul TParticipant @pault84577]

Bob

 

Bitter experience

 

After being lampooned by one frosty member for being to involved it has become one of the main reasons why I don’t post as many comments.

 

Life is just to short.

 

Paul 

[Bob Abell 2Participant @bobabell2]

Thank you Michael……..Please keep posting your comments

 

Paul

 

Having thought about your comment…….I was taken aback at first and a little disappointed and also slightly embarrassed

But having thought about it and having received Mikes latest encouraging comments and the fact that you have curtailed your posting simply because of one frosty member……I have decided to carry on as normal………but will reduce my output accordingly from now on

 

Members out there, know me quite well by now, and they don`t have to read my blurb!

 

If Colin requests me to refrain……………..I will do right away

 

No problem, my M8, no offence taken…………..Bob

[Phil Winks 1Participant @philwinks1]

Hi Bob I can’t see any reason why anyone should complain about the contents or frequency of your posts A; this thread is yours and B; I’ve yet to see anything even mildly offensive. In fact mostly amusing and informative. My take on this is these threads are like a discussion between friends in a public place so should be carried out without abusive or offensively derogatory comments however that said if a listener doesn’t like the content they perhaps should move away all the time knowing that they are free to join in and that their views will be listened too. So don’t change a thing mate and keep us smiling

 

 

Phil (on a soap box)

Edited By Phil Winks 1 on 11/02/2010 09:57:05

[Bob Abell 2Participant @bobabell2]

Thank you Phil….That is very encouraging!

 

The little sylloquay.. (typo) earlier…….was only a bit of light entertainment, taking off one of Les Dawsons funny stories and was feeling quite pleased with myself …..that I was making good progress

 

Bob

[ashley needhamParticipant @ashleyneedham69188]

Phil has it.

 

Keep posting.

 

If poeple dont want to look at your posts, then they dont have to. As for hogging the forum, rubbish.

 

I have had the odd snotty post, and I have been more frustrated by the restraint needed NOT to reply to such, than the post itself.

 

In any event..how many different poeple have ACTUALLY posted on your Slo Mo issue?? I bet its a very low number (for 6 trillion pages).

 

Captain Colin  is the arbiter of overposting and general decorum, surely.

 

Michael is also right. Stick the b****y thing in the water..and soon !

 

Ashley

[Bob Abell 2Participant @bobabell2]

Thank you Ashley….Your support also is greatly appreciated……And thanks to all out there for your warm comments

 

Now, back to Slo Mo!……Ahem

 

The motors are running on 7.2 volts at the mo and over the full range of the mechanical spectrum they run……Nice….Smooth…..Rough…..Rougher……..Smooth ………as though going through stage barriers….could be something to do with …Critical vibration?

 

It could also be the Double Bass sized hull resonating………..What does ASH the Bash say about that?……..Since he`s a Pro musician!

 

Luckily, they run smoothly at top speed!

 

Anyway, there`s nowt to be done at the mo….. `till the 24v comes on stream

 

There`s still no rush……..It`s absolutely perishing out there!……….Bob

[ashley needhamParticipant @ashleyneedham69188]

It may well be because of resonance in the hull. That sort of thing will get damped out once in the water, also to bear in mind is thay are not running loaded up.

 

More Cello sized, I would have said….

 

It is J cold. I dragged the lad out on the pond Sunday, with the Sunderland and BHA, and predictably we were on our own. As soon as we decided to pack up, another fellow came along with a NEW build…first time in the water.. a sort of coastal steamer (electric) and I simply had to see that. just as well as it happens, as it packed up 10 feet out, after having negotiated the small log that the ducks sit on ok,…and I had to use my fishing pole to recover. The fuse holder had melted..? The motor wasnt that hot, the shaft was..well I thought it was fractionally tight, but it was o.k….and so??

 

i thought that the fuse should have gone before the casing started to melt? No doubt we will find out next week. I may take the converted RTR Severn out for an airing. Only took it out 4 times last year. Its JUST a bit small..shame they didnt make it a tiny bit bigger.

 

Ashley

[Phil Winks 1Participant @philwinks1]

That thing with a tiny rattle on the prop shaft as it nears full revs is a BUG I’ve got on the homewood hardly there when it goes in the water!! hopefully I can cure it when I finally upgrade to one of Dave Milbourne’s 755 motors of course it may just be a minor imbalance in that huge (ish) prop I guess time will telleh.

 

 

Phil

Edited By Phil Winks 1 on 12/02/2010 20:56:53

[Bob Abell 2Participant @bobabell2]

Hello Phil

 

What do you mean by……”is a Bug”…?

 

I`m thinking of fitting a bigger prop to cut down the top revs…….What size is your prop?

 

Bob

[Dave MilbournParticipant @davemilbourn48782]

“I`m thinking of fitting a bigger prop to cut down the top revs…….What size is your prop?”

 

Not a good idea, Bob. You’ll cut down the revs at all speeds, not just at the top, because a large prop will increase the load on the motor and therefore the current drawn (and the temperature). I’d suggest that 55mm is maximum size for this application. If you want to cut down the revs at the top then simply don’t try to push the throttle stick through the top of the tranny……… that’s why those expensive P98 gizmos are called speed controllers!

DM

 

Edited By Dave Milbourn on 13/02/2010 08:03:04

Edited By Dave Milbourn on 13/02/2010 08:03:40

[Bob Abell 2Participant @bobabell2]

Ok, Dave, you`re the expert!……..I`ll stick with the 54mm

 

Only running on 7.2 V at the mo and it`s quite aggressive at top speed………Can`t imagine what 24v will be like!

 

I`m hoping that when we finally get on the water, most of the Double bass resonance will disappear?

 

I`m now ready to receive the harness and stuff, if you`re ready….but there`s no rush…our pond had ice on it yesterday!

 

Bob

[Phil Winks 1Participant @philwinks1]

BUG: a small annoying problem

 

it really is just a tiny rattle just before full speed and all but disapears when on the water.

 

Hope that clarifies things Mate,

I’d go with dave on the bigger prop thing Bob to put his comment another way “learn a little self control on the throttle” Just joshing lad.

[Colin BishopModerator @colinbishop34627]

Bob,

 

Just picked up on this – well you did entitle the topic Slo Mo Shun!.

 

This is essentially your build topic so post as you wish (within reason  ) People don’t have to look at it if they don’t want to and the others will continue to be entertained by your inimitable style!

 

Excess posting only really becomes a problem if you get somebody acting like a grasshopper and making irrelevant posts all over the Forum which does seem to happen sometimes in the ‘other place’ where it annoys the moderators no end.

 

This site is mainly a purely model boating forum and not a social networking arena where half the posts are not model related. Nothing wrong with that but horses for courses. I frequent both as you know!

 

Colin

[Author]

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