ORIGINAL: pilotpete2
Are you running any of your DLE's with a multi prop bolt setup?? I don't see a 5mm spinner bolt listed from TT for this purpose.
The hardware TT sells for the DLE 30 is for use with the single bolt conversion, not the with the stock multi bolt setup.
When you factor in having to pay TT 10 bucks to custom drill the backplate and provide the correct bushing so the spinner runs true with the multi bolt setup, I think the using the single bolt prop adapter makes things easier, that's all
Pete
On my DL 50 (same as DLE 55 really) I was flying that engine for 4 years with the 4 bolt setup, with a 5" aluminum spinner. I converted it to a single bolt prop adapter this summer. The thread size, inside the stud was identical to the spinner bolt I used before.
The cheapest way is to go to the hardware store if they have one. Most likely not though. A quick internet search should yeild many vendors for this bolt. I recommend a socket head cap screw. The trick will be to find the length you need.
The only thing single bolt prop adapter saves you is having to drill your backplate. This is easily achieved with the drill jig you will need anyway for your props.
As the OP asked, NO you do not need an adapter like a glow engine. Just the bolt. The stud is tapped in the center to receive it.
Hard to argue with someone who does not own the engine and cannot visualize what is actually going on.