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Author Topic: Omra Makara D Class  (Read 185370 times)

2772e

  • Simon
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Re: Omra Makara D Class
« Reply #400 on: February 08, 2008, 08:36:10 am »

Phil,

I think my auto bailer is 10-11mm wide. Has not sunk yet. Concentate on reliability and you wont need to bother about it sinking! {-)

The prop i use is a Prather 270, i don't think they are available anymore but an equivalent should surfice. I did buy a spare which i believe is an Octura. I am going testing tomorrow so will let you know which is the best.

In standard trim i had her on the gps at 38.4 mphAndy should be working on your exhaust this weekend, got an email from him last night.

Tony is a good chap, he has helped me over the winter and he should be coming up to test with us tomorrow.

What are you using for a radio box?

Check out the February photo of the month on the main website! {-) Fame at last

Regards

Simon
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martno1fan

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Re: Omra Makara D Class
« Reply #401 on: February 08, 2008, 09:38:57 am »

What motor are you running Simon is it still stock?,try the octura 470 its a good prop also try a 3 blade prop maybe a 6717/3 with rounded ears from chris hoffman  O0.$78 including shipping shoot him an email.by the way you can get prather props from here they only have the 280 at the moment but it can be made to 75 or 70 pretty easy  O0.But i found the x470 a really good prop on a stock zen,my boats really flying with it,you can get them from Dave Marles he has x 472 in stock or try the ali x470 which is the one i have or ask when he expects the octura x470 in stock,he also has the x470/3 in stock too.The ali one comes balanced and sharp,ive run 2 ali props so far a 78 mm one and the x 470 ,Oh and prather props are still available as they were taken over so props can still be found.
http://search.stores.ebay.co.uk/rcworldwide-com_prather_Boat-Propellers_W0QQfcdZ2QQfciZQ2d1QQfclZ4QQfromZR10QQfsnZrcworldwideQ2dcomQQfsooZ1QQfsopZ1QQfsubZ4QQsaselZ97427162QQsofpZ0
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2772e

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Re: Omra Makara D Class
« Reply #402 on: February 09, 2008, 06:34:38 pm »


A much more successful day at the lake today, weather was beautiful and company was great.

New cat tuned and running very well, still a bit wet though and now i have retuned the Makara we clocked her at 44.5 mph!

Slight accident with a post so the port chine rail needs a rebuild, something to do.

Having a problem with the stuffing tube spinning. I am using one of those holders from bluefishy, any ideas on locking it more securely??

Thanks to the MMM for another great days boating

BW

Simon
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martno1fan

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Re: Omra Makara D Class
« Reply #403 on: February 09, 2008, 11:34:34 pm »

Never had a stuffing tube spin on me,what sort of bend do you have in it?,maybe the bend is too shallow which also might account for broken flexes.You need a slight s bend in the tube this actually reduces friction believe it or not.Having less bend can cause cable whip causing the cable to snap just a thought as you say youve had several break.Ive never had a flex cable break to date,granted i dont run every week but just something you might want to check.I allways make my own holders,just plywood with studs and an ali plate over the top bent to shape and tightened down to hold it.is your motor modded now or still stock?,id def  look at the 3 blade props  O0.heres a pic of the s bend in a cat,same principal though
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Bill D203

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Re: Omra Makara D Class
« Reply #404 on: February 10, 2008, 12:38:49 am »

I also had a grand day out with the southern branch off the MMM. My Endforcer just ran & ran . Only stopping when the driver got it wrong. Oh well you can't have it all!!!!!! :D
Thanks Simon .Mart, Damion for not hitting my boat this week. And Tony of course for letting me try out a few props.
All the best
Bill. O0 O0 O0 {-)
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2772e

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Re: Omra Makara D Class
« Reply #405 on: February 10, 2008, 10:14:55 am »

Some picture of my Cat yesterday,

and remember, ITS GOT WINGS!

Thnaks Mart for the pictures.
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martno1fan

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Re: Omra Makara D Class
« Reply #406 on: February 10, 2008, 01:07:22 pm »

Some picture of my Cat yesterday,

and remember, ITS GOT WINGS!

Thnaks Mart for the pictures.
looks nice simon good pics too,my mates running one of daves mercury cats with the zen 7 its ballistic and to date only 3 tanks through it so hes still tuning and dialing it in  :o.heres a vid of it running ,with my boat trying to keep up  >:(. you might need to sign up to watch it but its free.
http://rcuvideos.com/item/JBB44D91VLXJ8S5N
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2772e

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Re: Omra Makara D Class
« Reply #407 on: February 10, 2008, 06:59:29 pm »


A couple more!

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Bill D203

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Re: Omra Makara D Class
« Reply #408 on: February 10, 2008, 07:37:36 pm »

Mind that bouyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy >:( >>:-( MISSED {-)
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AC RAZOR 45

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Re: Omra Makara D Class
« Reply #409 on: February 11, 2008, 08:30:14 pm »

HI ALL SORRY FOR THE LONG ABSENSE FROM THE MAKARA CLUB, I HAVE NOT BEEN TO WELL,SO ARE WE ALL READY FOR OUR RUN OUT,...AND HOWS EVERY ONES MAKARAS DOING...MAD :D AL  O0
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2772e

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Re: Omra Makara D Class
« Reply #410 on: February 11, 2008, 08:39:02 pm »


A couple more!

If you want T shirts made i need some decent pictures from the northern MMM contingant please?
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2772e

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Re: Omra Makara D Class
« Reply #411 on: February 11, 2008, 08:39:21 pm »

A couple more!

If you want T shirts made i need some decent pictures from the northern MMM contingant please?
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AC RAZOR 45

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Re: Omra Makara D Class
« Reply #412 on: February 11, 2008, 08:44:21 pm »

WHAT ARE YOU PUTTING ON THE T-SHIRTS, PICS OF OUR BOATS OR JUST A LOGO...AL
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2772e

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Re: Omra Makara D Class
« Reply #413 on: February 11, 2008, 09:00:30 pm »


pics of your boats
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AC RAZOR 45

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Re: Omra Makara D Class
« Reply #414 on: February 11, 2008, 09:04:18 pm »

NO PROBS CHEERS WHATS THE COST GOING TO BE
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2772e

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Re: Omra Makara D Class
« Reply #415 on: February 11, 2008, 09:11:46 pm »


I will find out tomorow, the wife said she would sort it out via Tesco.

I got a mug for Christmas with my Makara on it, all done online.

Cheers

Simon
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AC RAZOR 45

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Re: Omra Makara D Class
« Reply #416 on: February 11, 2008, 09:26:51 pm »

CHEERS SIMON WILL LET PETE KNOW AND WILL GET PHOTOS TO YOU, AL
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Stavros

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Re: Omra Makara D Class
« Reply #417 on: February 12, 2008, 05:43:37 pm »

It has come to my attention and having researched into things that someone on this board is trying bully boy tactics well sorry it wont work now please behave or me will get very >>:-( >>:-( >>:-( >>:-( >>:-( >>:-( >>:-( >>:-(


Stavros
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2772e

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Re: Omra Makara D Class
« Reply #418 on: February 12, 2008, 07:20:12 pm »


So did we miss something? :(
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2772e

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Re: Omra Makara D Class
« Reply #419 on: February 12, 2008, 07:36:13 pm »

What motor are you running Simon is it still stock?,try the octura 470 its a good prop also try a 3 blade prop maybe a 6717/3 with rounded ears from chris hoffman  O0.$78 including shipping shoot him an email.by the way you can get prather props from here they only have the 280 at the moment but it can be made to 75 or 70 pretty easy  O0.But i found the x470 a really good prop on a stock zen,my boats really flying with it,you can get them from Dave Marles he has x 472 in stock or try the ali x470 which is the one i have or ask when he expects the octura x470 in stock,he also has the x470/3 in stock too.The ali one comes balanced and sharp,ive run 2 ali props so far a 78 mm one and the x 470 ,Oh and prather props are still available as they were taken over so props can still be found.
http://search.stores.ebay.co.uk/rcworldwide-com_prather_Boat-Propellers_W0QQfcdZ2QQfciZQ2d1QQfclZ4QQfromZR10QQfsnZrcworldwideQ2dcomQQfsooZ1QQfsopZ1QQfsubZ4QQsaselZ97427162QQsofpZ0
Mart

Running a 257 carb, a bit of tuning and an X472 prop, was running a prather 270 but swapped it on Saturday and what a difference. Think i will stick with that for the ponds but might go for a three bladder when it gets a bit choppy
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Bill D203

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Re: Omra Makara D Class
« Reply #420 on: February 12, 2008, 08:05:55 pm »

It has come to my attention and having researched into things that someone on this board is trying bully boy tactics well sorry it wont work now please behave or me will get very       


Stavros

I am sorry that you are not very happy.  But Im not sure what has been going on other then friendly boat matters.   Bill.
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bigtee

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Re: Omra Makara D Class
« Reply #421 on: February 12, 2008, 08:10:40 pm »

hay stavros  whats up ? i dont see any funny stuff going on  :(
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martno1fan

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Re: Omra Makara D Class
« Reply #422 on: February 12, 2008, 10:19:22 pm »

Seems someone who shall remain nameless took offense at me posting helpfull information about stuffing tubes and asked for it to be removed off this thread,martin removed it but stavros saw nothing wrong with it hense his remarks.i was as shocked as you guys ,i wondered where my post went then saw it was on a diff thread , but i will just say i have only offered help to a mate and anyone else who is interested.As far as im concerned im here to talk boats if a certain person doesnt like that then tough.
  Simon i am also running the x472 prop and agree its a good prop mines the aluminium version and came very sharp and polished.Never needed to touch it and it made a heck of a diff to my boat,mines still totally stock as i was told the 257 carb isnt much diff to the 644  performance wise especially on a stock motor.Did you get the lightened piston for your motor?,by the way try the 6717/3 for your boat,thats the one i was told by chris hoffman to try on mine.Better still send him an email and ask him which one for your particular boat and setup etc.he quoted me $78 shipped for a modded one O0.
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Blagmeister

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Re: Omra Makara D Class
« Reply #423 on: February 19, 2008, 03:35:23 pm »

Phil,

I think my auto bailer is 10-11mm wide. Has not sunk yet. Concentate on reliability and you wont need to bother about it sinking! {-)

The prop i use is a Prather 270, i don't think they are available anymore but an equivalent should surfice. I did buy a spare which i believe is an Octura. I am going testing tomorrow so will let you know which is the best.

In standard trim i had her on the gps at 38.4 mphAndy should be working on your exhaust this weekend, got an email from him last night.

Tony is a good chap, he has helped me over the winter and he should be coming up to test with us tomorrow.

What are you using for a radio box?

Check out the February photo of the month on the main website! {-) Fame at last

Regards

Simon


Hi Simon

Thanks for the advice. I think I will hang fire on installing the ball-type autobailer just yet as from doing a bit of research, it seems they can leak after a while. I like the idea of the Bernoulli-driven version so I think I will go down that route in due course, but first I need to get the blo**dy thing on the water!

After your recent success with the X472 prop, I think I will bag myself one of these. I dare say I will be spending the first 12 months testing and developing anyway, so to expect to be quick out of the box is a bit ambitious I think.

As for the radio box, I am afraid I didn't go for a proprietory one in the end and built one out of ply.  I also cut a slot out of the port stringer so that it sit across the stern offset to port to keep the rudder servo pretty much in line with the rudder, and to help with weight distribution. [Counter the weight of the exhaust].  The slot means that if [when!] I hit something the box shouldn't stand any chance of getting dislodged. The box itself is a bit of a monster and I have waterproofed it with a coat or three of resin after painting it.  Danny gave me a bit of Makrolon for the lid which is held in place by 10 wing nuts onto a double rubber seal.  in testing it seemed watertight.

I think in comparison to most people's boat, this thing will look massively over-"engineered" as I have also bonded the stringers in with GRP CSM and loads of resin to strengthen and stiffen the hull which seemed a bit on the bendy side to me.  The transom plate has worked a treat and really has stiffened that up so that there is no noticeable flex at the rudder or strut mounting plate.

I fabricated an ally tube brace for the engine end of the tube and this stops any kind of movement at that end.

It probably won't do over 20mph now with all this extra material on board but at least it won't break too easily!

I am pretty much nearing the end of fabrication and can see the final straight. Next step for me is to paint the engine bay with some bilge paint [petrol, oil and water resistant, as well as tidying things up a bit] reassemble all the bits and fit the control rods and then I am done! [That last bit is freaking me out a bit as I haven't a clue on how start the process. I have a good long think about it first I think!

Nearly there....

And then I have to hand the controls over to #1 son who is going to be driving the thing! At least I get to test it!

Cheers!

Phil
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martno1fan

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Re: Omra Makara D Class
« Reply #424 on: February 19, 2008, 03:59:02 pm »

BERNOULLI thats the name i couldnt remember lol  O0,just a heads up fro a good radio box ive just used a sealable food container its a very sturdy one and the lids very tight wont even need tape,its water tight too in tests.Very light too,ive also seen some nice boxes on ebay used in camping they have great lid fasteners too,if id seen this earlier id have got one.

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=140202865359&ssPageName=STRK:MEWA:IT&ih=004
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