Da 50 prop bolt question

GremlinX · 01-05-2006, 12:34 AM

Well... I am ready to put the prop on and fire. I see the crank has threads in it. There is no extra bolt or bolt in it. I dont see anything in the manual about it. Do I just use the 4 bolts for the prop and go with it? I don't have them either.... DO you usually have to buy your own prop bolts? What size and what grade should I buy? Remember, Grade 8's can be brittle.

**ConRadical** · 01-05-2006, 12:38 AM

	Quote: Originally Posted by mopar92
	Well... I am ready to put the prop on and fire. I see the crank has threads in it. There is no extra bolt or bolt in it. I dont see anything in the manual about it. Do I just use the 4 bolts for the prop and go with it? I don't have them either.... DO you usually have to buy your own prop bolts? What size and what grade should I buy? Remember, Grade 8's can be brittle.

Use the 4 prop bolts and the washer that goes under them, If you didn't get the 4 bolts and washer.. you got shafted, No pun intended

Call up DA if you got it from them and they'll make it right!
~Conrad

GremlinX · 01-05-2006, 12:51 AM

I got them, what is the end shaft threads for?

Ramz · 01-05-2006, 12:54 AM

they are for installing a spinner or installing a spinner adapter, depending on the manufacturer of the spinner. A screw goes from the nose of the spinner into the crank and pulls the spinner against the backplate.

**ConRadical** · 01-05-2006, 12:55 AM

	Quote: Originally Posted by mopar92
	I got them, what is the end shaft threads for?

That center hole is threaded for the bolt that holds the spinner

GremlinX · 01-05-2006, 12:57 AM

Copy, Hey I see you are down by Carolina 3D in Lexington. We have always threatened to fly sometime.

SleepyC · 01-05-2006, 12:57 AM

Yep they got it right.
true turns should not need an adaptor, just screw right in!
The bolt goes down the middle and pulls the spinner to the backplate by threading into the threaded hole you were talking about!

JeeUm · 01-05-2006, 01:02 AM

The threads are for the bolt that holds down the spinner, oh wait did somebody already say that?

GremlinX · 01-05-2006, 01:02 AM

ok, good. I left my dang torque wrench at dads tonite... shucks.. another 30 minute trip tomorrow before firing.

GremlinX · 01-05-2006, 01:05 AM

Jim, I have done a bad thing. I cant find the original firewall. I have no idea where it is. I am going to have a hell of a time aligning without a ladder ehh? I have a new firewall cut and ready to glue/bolt on... but I would love to hav had the original. I cant see where it could have grown legs and walked to.... I am a very organized person too...shucks

Ramz · 01-05-2006, 01:05 AM

You don't need the spinner on before you fire it....or if your wondering about the prop bolts...dont worry about it. Just tighten them up good and fire it. Just check the bolts after each tank of fuel to make sure they aern't loose...usually with new props, you'll have to tighten the bolts a few times as the prop hub material will compress.

GremlinX · 01-05-2006, 01:12 AM

Next, I need to buy a spinner. I was going to do fit and finish, and then put on the cowl and spinner last. I guess True turn. Its going to need to be 4" or so. I have not even measured..... not looking forward to the pricetag on it either

01-05-2006, 12:34 AM	#1 (permalink)
GremlinX Father of the Scale Furum Join Date: Jan 2006 Location: Chapel Hill, TN Age: 31 Posts: 4,458	Da 50 prop bolt question Well... I am ready to put the prop on and fire. I see the crank has threads in it. There is no extra bolt or bolt in it. I dont see anything in the manual about it. Do I just use the 4 bolts for the prop and go with it? I don't have them either.... DO you usually have to buy your own prop bolts? What size and what grade should I buy? Remember, Grade 8's can be brittle. __________________ "I'll have the roast duck with the mango salsa" Kit builders check out.... http://bobflies.com/ 2.4 GHz is for your home telephone... 14MZ and 72 MHz for huckin' baby!!

01-05-2006, 12:51 AM	#3 (permalink)
GremlinX Father of the Scale Furum Join Date: Jan 2006 Location: Chapel Hill, TN Age: 31 Posts: 4,458	Re: Da 50 prop bolt question I got them, what is the end shaft threads for? __________________ "I'll have the roast duck with the mango salsa" Kit builders check out.... http://bobflies.com/ 2.4 GHz is for your home telephone... 14MZ and 72 MHz for huckin' baby!!

01-05-2006, 12:54 AM	#4 (permalink)
Ramz Flying Circles Join Date: Jan 2006 Location: New Brunswick, Canada Age: 27 Posts: 293	Re: Da 50 prop bolt question they are for installing a spinner or installing a spinner adapter, depending on the manufacturer of the spinner. A screw goes from the nose of the spinner into the crank and pulls the spinner against the backplate.

01-05-2006, 12:57 AM	#6 (permalink)
GremlinX Father of the Scale Furum Join Date: Jan 2006 Location: Chapel Hill, TN Age: 31 Posts: 4,458	Re: Da 50 prop bolt question Copy, Hey I see you are down by Carolina 3D in Lexington. We have always threatened to fly sometime. __________________ "I'll have the roast duck with the mango salsa" Kit builders check out.... http://bobflies.com/ 2.4 GHz is for your home telephone... 14MZ and 72 MHz for huckin' baby!!

01-05-2006, 12:57 AM	#7 (permalink)
SleepyC Thanks for the Support! Join Date: Jan 2006 Location: Cleveland, Ohio Age: 37 Posts: 13,393 Awards Showcase Total Awards: 3	Re: Da 50 prop bolt question Yep they got it right. true turns should not need an adaptor, just screw right in! The bolt goes down the middle and pulls the spinner to the backplate by threading into the threaded hole you were talking about! __________________ BUILDING SEASON IS HERE!! Break out the glue sand paper and covering iron!! whoO hoo! FG QUESTIONS: sleepyc@flyinggiants.com


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01-05-2006, 01:02 AM	#8 (permalink)
JeeUm Bad-ass Super Contributer! Join Date: Jan 2006 Location: Long Island, NY Age: 36 Posts: 4,024 Awards Showcase Total Awards: 3	Re: Da 50 prop bolt question The threads are for the bolt that holds down the spinner, oh wait did somebody already say that?

01-05-2006, 01:02 AM	#9 (permalink)
GremlinX Father of the Scale Furum Join Date: Jan 2006 Location: Chapel Hill, TN Age: 31 Posts: 4,458	Re: Da 50 prop bolt question ok, good. I left my dang torque wrench at dads tonite... shucks.. another 30 minute trip tomorrow before firing. __________________ "I'll have the roast duck with the mango salsa" Kit builders check out.... http://bobflies.com/ 2.4 GHz is for your home telephone... 14MZ and 72 MHz for huckin' baby!!

01-05-2006, 01:05 AM	#10 (permalink)
GremlinX Father of the Scale Furum Join Date: Jan 2006 Location: Chapel Hill, TN Age: 31 Posts: 4,458	Re: Da 50 prop bolt question Jim, I have done a bad thing. I cant find the original firewall. I have no idea where it is. I am going to have a hell of a time aligning without a ladder ehh? I have a new firewall cut and ready to glue/bolt on... but I would love to hav had the original. I cant see where it could have grown legs and walked to.... I am a very organized person too...shucks __________________ "I'll have the roast duck with the mango salsa" Kit builders check out.... http://bobflies.com/ 2.4 GHz is for your home telephone... 14MZ and 72 MHz for huckin' baby!!

01-05-2006, 01:05 AM	#11 (permalink)
Ramz Flying Circles Join Date: Jan 2006 Location: New Brunswick, Canada Age: 27 Posts: 293	Re: Da 50 prop bolt question You don't need the spinner on before you fire it....or if your wondering about the prop bolts...dont worry about it. Just tighten them up good and fire it. Just check the bolts after each tank of fuel to make sure they aern't loose...usually with new props, you'll have to tighten the bolts a few times as the prop hub material will compress.

01-05-2006, 01:12 AM	#12 (permalink)
GremlinX Father of the Scale Furum Join Date: Jan 2006 Location: Chapel Hill, TN Age: 31 Posts: 4,458	Re: Da 50 prop bolt question Next, I need to buy a spinner. I was going to do fit and finish, and then put on the cowl and spinner last. I guess True turn. Its going to need to be 4" or so. I have not even measured..... not looking forward to the pricetag on it either __________________ "I'll have the roast duck with the mango salsa" Kit builders check out.... http://bobflies.com/ 2.4 GHz is for your home telephone... 14MZ and 72 MHz for huckin' baby!!

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