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Old 06-03-2007, 09:56 PM   #1
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28cc strimmer motor!

this is what the motor sounds like.......

http://media.putfile.com/boat-engine
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Old 06-03-2007, 10:05 PM   #2
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Gav,

Do ya know if these fit in the boat yet?
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Old 06-03-2007, 10:17 PM   #3
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Quote:
Originally Posted by scottyboy View Post
Gav,

Do ya know if these fit in the boat yet?
well the overall height of the motor is 190mm, to the top of the spark plug cap, the clearance in these boats is 195mm!! but i dont know how low the engine has to be mounted?? the only way is to make a cockpit moulding that has a raised section to allow it to fit if its too tall...........
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Old 06-03-2007, 10:23 PM   #4
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Ya looked into shafts or anything to go with em?
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Old 06-03-2007, 10:25 PM   #5
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Quote:
Originally Posted by Gav View Post
well the overall height of the motor is 190mm, to the top of the spark plug cap, the clearance in these boats is 195mm!! but i dont know how low the engine has to be mounted?? the only way is to make a cockpit moulding that has a raised section to allow it to fit if its too tall...........
Assuming thats with all the plastic shrouding on?
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Old 06-03-2007, 10:25 PM   #6
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Quote:
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Ya looked into shafts or anything to go with em?
not properly, but flexi shafts are commonly available at model shops, as are rigid shafts, i'll have a look and post a link.........
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Old 06-03-2007, 10:26 PM   #7
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Assuming thats with all the plastic shrouding on?
yep!
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Old 06-03-2007, 10:54 PM   #8
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Quote:
Originally Posted by Gav View Post
this is what the motor sounds like.......[/URL]
Come to think of it that engine aint running "on song" !
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Old 06-03-2007, 11:43 PM   #9
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Come to think of it that engine aint running "on song" !
what do you mean scotty? not flat out or not sounding good?
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Old 06-03-2007, 11:49 PM   #10
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Its not revving freely at w.o.t if ya know what i mean? Its only a mixture adjustment! You'll know when its right it will all of a sudden rev its nuts off! You'll prob find its prob been ticking over to long and if he held it open long enough it would clear! THink im gonna have one! Well cheap they are!
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Old 06-03-2007, 11:56 PM   #11
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Quote:
Originally Posted by scottyboy View Post
Its not revving freely at w.o.t if ya know what i mean? Its only a mixture adjustment! You'll know when its right it will all of a sudden rev its nuts off! You'll prob find its prob been ticking over to long and if he held it open long enough it would clear! THink im gonna have one! Well cheap they are!
yeah i think that will be the cheap bit!

radio
servos
fuel tank
receiver
surface drive
rudder assembly
etc etc etc
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Old 06-03-2007, 11:59 PM   #12
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Got radio gear from previous model boats. Just need drive and tank really? But like you say if you were to buy the whole lot in one go !
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Old 07-03-2007, 12:19 AM   #13
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I have built a few R/C boats and use this place to order parts:

http://www.pandanmodelboats.co.uk/acatalog/index.html

They are primerally 'fast electric' suppliers, but the Robbe, and Graupner propshafts are used in nitro modelling.

And check this place, never used them but have loads of stuff:

http://www.prestwich.ndirect.co.uk/
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Old 07-03-2007, 12:39 AM   #14
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Sounds like its very rich to me
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Old 09-03-2007, 01:26 PM   #15
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Gav,

Do you have any info on this motor? Horsepower, max rev's etc etc? Ive email'd the guy but he has'nt replied?
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Old 09-03-2007, 02:15 PM   #16
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Quote:
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Sounds like its very rich to me
Yes it does, but it's kind'a hard to tell with an 'unloaded' two stroke, and i'm sure it's only in need a 'wee tweek' of one of the jets or summat.
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Old 09-03-2007, 05:27 PM   #17
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Yes it does, but it's kind'a hard to tell with an 'unloaded' two stroke, and i'm sure it's only in need a 'wee tweek' of one of the jets or summat.
Agreed. Once it's loaded up it'll be fine. Making it 2 stroke at max throttle on no load is a sure way of frying it when it's loaded up. It also sounds a wee bit cold and that'll make it tend towards 4 stroking more.
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Old 09-03-2007, 06:58 PM   #18
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rc parts

whearhouse hobbies in usa dirt cheap u can get a wet tuned pipe headder and manifoild 4 less than 50 quid n they do shafts n props ive just built a pipe dream and its not surface drive cheapper n far quicker
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Old 09-03-2007, 07:49 PM   #19
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Quote:
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Gav,

Do you have any info on this motor? Horsepower, max rev's etc etc? Ive email'd the guy but he has'nt replied?
All i know at the mo is its around 5hp, i'll let you know when i get more info...
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Old 10-03-2007, 05:11 PM   #20
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just recieved email and they only rev to approx 6500rpm! Not alot really! Im not goin down this route i dont think now.
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